Items where Author is "Ila, Hiriyakkanavar"

Samai, Subhasis ; Chanda, Tanmoy ; Ila, Hiriyakkanavar ; Singh, Maya Shankar (2013) One-Pot Three-Component Heteroannulation of β-Oxo Dithioesters, Amines and Hydroxylamine: Regioselective, Facile and Straightforward Entry to 5-Substituted 3-Aminoisoxazoles European Journal of Organic Chemistry, 2013 (19). pp. 4026-4031. ISSN 1434-193X

Nandi, Ganesh C. ; Singh, Maya S. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2011) Highly Regioselective One-Pot, Three-Component Synthesis of 1-Aryl-3,4-Substituted/Annulated-5-(Cycloamino)/(Alkylamino)pyrazoles from β-Oxodithioesters European Journal of Organic Chemistry, 2012 (5). pp. 967-974. ISSN 1434-193X

Verma, Rajiv K. ; Ila, Hiriyakkanavar ; Singh, Maya Shankar (2010) Heteroaromatic annulation studies on 2-[bis(methylthio)methylene]-1,3-indanedione: efficient routes to indenofused heterocycles Tetrahedron, 66 (37). pp. 7389-7398. ISSN 0040-4020

Yadav, Ashok K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2010) Synthesis of novel substituted phenanthrenes and polycyclic heteroarenes by Pd-catalyzed, direct, intramolecular arylation/heteroarylation European Journal of Organic Chemistry, 2010 (2). pp. 338-344. ISSN 1434-193X

Verma, Rajiv K. ; Ila, Hiriyakkanavar ; Singh, Maya Shankar (2010) Heteroaromatic annulation studies on 2-[bis(methylthio)methylene]-1,3-indanedione: efficient routes to indenofused heterocycles Tetrahedron, 66 (37). pp. 7389-7398. ISSN 0040-4020

Singh, Balendu ; Sundaram, G. S. M. ; Misra, Nimesh C. ; Ila, Hiriyakkanavar (2009) Methyl 1-imidazolecarbodithioate as a thiocarbonyl transfer reagent: a facile one-pot, three-component synthesis of novel 2-substituted-5-aryl-1-oxo-3-thioxo-1,2,3,5,11,11a-hexahydro-6H-imidazo-[1,5-b]-β-carbolines Tetrahedron Letters, 50 (3). pp. 366-369. ISSN 0040-4039

Kumar, Sarvesh ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2009) Efficient routes to pyrazolo[3,4-b]indoles and pyrazolo[1,5-a]benzimidazoles via palladium- and copper-catalyzed intramolecular C-C and C-N bond formation Journal of Organic Chemistry, 74 (18). pp. 7046-7051. ISSN 0022-3263

Kumar, Sarvesh ; Peruncheralathan, Saravanan ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2008) A novel anionic domino process for the synthesis of o-cyanoaryl-methylthio/alkyl/aryl/heteroaryl acetylenes Organic Letters, 10 (5). pp. 965-968. ISSN 1523-7060

Kumar, Sarvesh ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2007) Heteroaromatic annulation studies on 10,11-dihydro-11-[bis(methylthio)methylene]dibenzoxepin-10-one: a facile access to novel dibenzoxepino[4,5]-fused heterocycles Tetrahedron, 63 (40). pp. 10067-10076. ISSN 0040-4020

Venkatesh, Chelvam ; Singh, Prabal P. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2006) Highly diastereoselective [3+2] cyclopenta[b]annulation of indoles with 2-arylcyclopropyl ketones and diesters European Journal of Organic Chemistry, 2006 (23). pp. 5378-5386. ISSN 1434-193X

Ila, Hiriyakkanavar ; Baron, Oliver ; Wagner, Andreas J. ; Knochel, Paul (2006) Functionalized magnesium organometallics as versatile intermediates for the synthesis of polyfunctional heterocycles Chemical Communications (6). pp. 583-593. ISSN 1359-7345

Ila, Hiriyakkanavar ; Baron, Oliver ; Wagner, Andreas J. ; Knochel, Paul (2006) Preparation and reactions of heteroaryl organomagnesium compounds Chemistry Letters, 35 (1). pp. 2-7. ISSN 0366-7022

Panda, Kausik ; Venkatesh, Chelvam ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2005) Efficient routes to acenaphthylene-fused polycyclic arenes/heteroarenes and heterocyclic fluoranthene analogues European Journal of Organic Chemistry, 2005 (10). pp. 2045-2055. ISSN 1434-193X

Chakrabarti, Sriparna ; Panda, Kausik ; Misra, Nimesh C. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2005) Aza-annulation of polarized N,S- and N,N-ketene acetals with itaconic anhydride: synthesis of novel functionalized 1,2,3,4-tetrahydro-2-pyridones and related azabicycles Synlett, 2005 (9). pp. 1437-1441. ISSN 0936-5214

Chakrabarti, Sriparna ; Panda, Kausik ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2005) Synthesis of functionalized 1,2,3,4-tetrahydro-β-carboline derived enamines through bischler-napieralski type cyclization of polarized ketene N,S-acetals Synlett, 2005 (2). pp. 309-313. ISSN 0936-5214

Nandi, Sukumar ; Panda, Kausik ; Suresh, J. R. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2004) α-Oxoketene dithioacetal mediated aromatic annulation: highly efficient and concise synthetic routes to potentially carcinogenic polycyclic aromatic hydrocarbons Tetrahedron, 60 (16). pp. 3663-3673. ISSN 0040-4020

Tietze, Lutz F. ; Ila, Hiriyakkanavar ; Bell, Hubertus P. (2004) Enantioselective palladium-catalyzed transformations Chemical Reviews, 104 (7). pp. 3453-3516. ISSN 0009-2665

Panda, Kausik ; Siddiqui, Iffat ; Mahata, Pranab K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2004) Heteroannulation of 3-bis(methylthio)acrolein with aromatic amines - a convenient highly regioselective synthesis of 2-(methylthio)quinolines and their benzo/hetero fused analogs - a modified skraup quinoline synthesis Synlett, 2004 (3). pp. 449-452. ISSN 0936-5214

Khan, Taukeer Ahmad ; Peruncheralathan, Saravanan ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2004) S,S-dimethyl dithiocarbonate: a useful reagent for efficient conversion of aldoximes to nitriles Synlett, 2004 (11). pp. 2019-2021. ISSN 0936-5214

Chakrabarti, Sriparna ; Srivastav, Manish C. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2003) Aza-annulation of tetrahydroisoquinoline derived enamines: efficient and convergent routes to novel functionalized benzo[a]quinolizin-4-ones and pyrimido[6,1-a]isoquinoline derivatives Synlett, 2003 (15). pp. 2369-2373. ISSN 0936-5214

Barun, Okram ; Nandi, Sukumar ; Panda, Kausik ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2002) [4 + 2] cycloaromatization of 4-bis(methylthio)-3-buten-2-one with active methylene ketones: a simple and facile phenol annulation Journal of Organic Chemistry, 67 (15). pp. 5398-5401. ISSN 0022-3263

Nandi, Sukumar ; Kumar, U. K. Syam ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2002) Domino carbocationic cyclization of functionalized cyclopropyl ketones: facile one-pot access to peri- and angularly fused polycyclic aromatic and heteroaromatic frameworks Journal of Organic Chemistry, 67 (14). pp. 4916-4923. ISSN 0022-3263

Roy, Amrita ; Nandi, Sukumar ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2001) An expedient route to 2,3-substituted and fused benzo[a]quinolizine-4-thione framework via ring annulation with β-oxodithioesters Organic Letters, 3 (2). pp. 229-232. ISSN 1523-7060

Kumar, U. K. Syam ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2001) A new route to spiropyrrolidinyl-oxindole alkaloids via iodide ion induced rearrangement of [(N-aziridinomethylthio)methylene]-2-oxindoles Organic Letters, 3 (26). pp. 4193-4196. ISSN 1523-7060

Syam Kumar, U. K. ; Patra, Pranab K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar ; Bharadwaj, Parimal K. (2000) Lewis acid-induced rearrangment of α-[bis(methylthio)methylene]ethyl-2-styrylcyclopropylcarbinols: unexpected formation of a novel bicyclo[3.2.1]octadiene framework Journal of the Chemical Society, Perkin transactions 1 (10). pp. 1547-1550. ISSN 1472-7781

Roy, Amrita ; Reddy, Kethiri R. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1999) Anionic [4 + 2] cycloaddition reactions of dihydropyrazolin-5-one dienolate with dienophiles: a novel approach for substituted and fused indazolones Journal of the Chemical Society, Perkin Transactions 1 (20). pp. 3001-3004. ISSN 0300-922X

Singh, Okram Mukherjee ; Junjappa, Hiriyakkanavar ; Ila, Hiriyakkanavar (1997) Reaction of lithioamino anions with α-oxoketene dithioketals: an improved and a new general method for the synthesis of α-oxoketene S, N- and N, N-ketals Journal of the Chemical Society, Perkin Transactions 1 (23). pp. 3561-3566. ISSN 0300-922X

Reddy, Kethiri R. ; Rao, Mandava V. Basaveswara ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1996) Direct synthesis of 2-(cycloalkylamino)-3,4-substituted thiophenes via selective deprotonation-cyclization of aroyl ketene N,S-acetals Synthetic Communications, 26 (22). 4157- 4164. ISSN 0039-7911

Yadav, K. Mallik ; Mohanta, Pramod K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1996) Regioselective synthesis of substituted 1-methyl- and 2-methylnaphthalenes Tetrahedron, 52 (44). pp. 14049-14056. ISSN 0040-4020

Satyanarayana, Janagani ; Rao, Mandava V. Basaveswara ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1996) Synthesis and Lewis acid assisted rearrangement of novel donor-acceptor substituted cyclopropanes: highly stereoselective [4+1] annulation approach to substituted and spiro cyclopentene derivatives Tetrahedron Letters, 37 (20). pp. 3565-3568. ISSN 0040-4039

Gupta, Arun K. ; Samal, Samir K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1996) Trimethyl borate induced thermal cycloaromatization of 1-aryl-1-(prop-2-ynyl)-3,3-bis(alkylthio)-2-propen-1-ols through acetylenic oxy-cope rearrangement Tetrahedron Letters, 37 (16). pp. 2817-2820. ISSN 0040-4039

Yadav, K. Mallik ; Suresh, Joghee R. ; Patro, Balaram ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1996) Stepwise controlled reduction of α-oxoketene dithioacetals with Zn/ZnCl₂-TMEDA in ethanol Tetrahedron, 52 (13). pp. 4679-4686. ISSN 0040-4020

Reddy, Kethiri R. ; Roy, Amrita ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1995) Regiospecific generation and application of 3-lithiomethyl-2-methyl-1-phenylpyrazolin-5-one as 1,3-binucleophile in aromatic annelation: a novel approach for synthesis of 1,2-disubstituted indazolones and their condensed analogs Tetrahedron, 51 (40). pp. 10941-10952. ISSN 0040-4020

Rao, Mandava V. Basaveswara ; Satyanarayana, Janagani ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1995) Anionic [4+2] cycloaddition reactions of indole-2,3-dienolate with dienophiles: a facile regiospecific route to substituted carbazoles Tetrahedron Letters, 36 (19). pp. 3385-3388. ISSN 0040-4039

Mehta, Barun K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1995) Highly chemoselective and stereoselective conjugate addition of benzyl copper reagents to α-oxoketene dithioacetals Tetrahedron Letters, 36 (11). pp. 1925-1928. ISSN 0040-4039

Purkayastha, Makhan L. ; Bhat, Laxminarayan ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1995) 4-alkoxy-3-cyano-2(1H)-pyridones and 5-alkoxyisoxazoles and their aryl substituted and annulated derivatives from acylketene O,S-acetals Synthesis, 1995 (6). pp. 641-643. ISSN 0039-7881

Gupta, Akhilesh K. ; Reddy, Kethiri R. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1995) Cuprous bromide-promoted cyclization of ketene N,S-acetals with prop-2-ynyl bromide: synthesis of regiospecifically substituted and annelated 3-acyl(or nitro)-5-methyl pyrroles Journal of the Chemical Society, Perkin Transactions 1 (13). pp. 1725-1727. ISSN 0300-922X

Reddy, Kethiri R. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1995) Cycloaromatization of methyl (e)-4-(methyllithio)-3-(1-pyrrolidinyl)-2-butenoate with α-oxoketene N,S-acetals: direct synthesis of 3,5-bis(cycloalkylamino)biphenyls Synthesis, 1995 (8). pp. 929-930. ISSN 0039-7881

Gupta, Akhilesh Kumar ; Yadav, K. Mallik ; Patro, Balaram ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1995) Synthesis of D-ring functionalized and D-benzo/hetero-annulated estrone derivatives via α-oxoketene dithioacetal Synthesis, 1995 (7). pp. 841-844. ISSN 0039-7881

Patro, Balaram ; Deb, Bishwajit ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1994) Rearrangement studies on 3,3-bis(methylthio)-1-(arylcyclopropyl) -2-propen-1-ols: synthesis of functionalized cyclopentenes and polyene esters Tetrahedron, 50 (1). pp. 255-264. ISSN 0040-4020

Srinivasa Rao, Ch. ; Chandrasekharam, M. ; Patro, Balaram ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1994) Facile one pot thermal dehydration and dethioacetalization of β-hydroxydithioacetals with dimethyl sulphoxide: synthesis of α,β-unsaturated aldehydes Tetrahedron, 50 (19). pp. 5783-5794. ISSN 0040-4020

Reddy, Kethiri R. ; Singh, L. W. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1994) Highly diastereoselective anionic [3 + 2] annulation strategy for functionalized cyclopentenes via α -oxoketene dithioacetals Journal of the Chemical Society, Perkin Transactions 1 (17). pp. 2439-2442. ISSN 0300-922X

Bhat, Laxminarayan ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1994) Rearrangement studies on acylketene O-prop-2-ynyl S-methylmonothioketals Journal of the Chemical Society, Perkin Transactions 1, 1 (13). pp. 1749-1752. ISSN 0300-922X

Chandrasekharam, M. ; Bhat, Laxminaraya ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1993) Reformatsky reaction on thiocarbonyl compounds: new C-C bond forming reaction Tetrahedron Letters, 34 (40). pp. 6439-6442. ISSN 0040-4039

Patra, Pranab Kumar ; Patro, Balaram ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1993) Tandem carbocationic cyclization of bis(methylthio)methylene arylcyclopropyl ketones : a promising sequence for assembling functionalized cyclopent[a]indene framework Tetrahedron Letters, 34 (24). pp. 3951-3954. ISSN 0040-4039

Purkayastha, Makhan L. ; Chandrasekharam, Malapaka ; Vishwakarma, Jai N. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1993) Synthesis of α-oxoketene O-alkyl/aryl, S-alkyl acetals Synthesis, 1993 (2). pp. 245-249. ISSN 0039-7881

Bhat, Laxminarayan ; Thomas, Abraham ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1992) Attempted Simmons-Smith reaction on α-oxoketene dithioacetals: a new general route to 3,4-substituted and annelated thiophenes Tetrahedron, 48 (47). pp. 10377-10388. ISSN 0040-4020

Satyanarayana, Janagani ; Reddy, Kethiri R. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1992) Cycloaromatization of α-oxoketene dithioacetals with enaminone derived carbanions Tetrahedron Letters, 33 (41). pp. 6173-6176. ISSN 0040-4039

Patro, Balaram ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1992) A highly stereoselective synthesis of substituted butadienes and conjugated polyenes Tetrahedron Letters, 33 (6). pp. 809-812. ISSN 0040-4039

Patro, Balaram ; Deb, Biswajit ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1992) Acid-induced ring opening of α-bis(methylthio)methylenealkyl cyclopropyl ketones: a novel route to substituted cyclopentanones through carbocationic cyclizations Journal of Organic Chemistry, 57 (8). pp. 2257-2263. ISSN 0022-3263

Srinivasa Rao, Ch. ; Singh, Okram M. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1992) A new general route to 1,2-diarylethylenes, 1,4-diarylbutadienes and 1,6-diarylhexatrienes through cycloaromatization of β-oxodithioacetals Synthesis, 1992 (11). pp. 1075-1077. ISSN 0039-7881

Bhat, Laxminarayan ; Thomas, Abraham ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1991) Studies on lead tetraacetate oxidation of α-oxoketene dithioacetals Tetrahedron Letters, 47 (2). pp. 305-312. ISSN 0040-4039

Srinivasa Rao, Ch. ; Balu, Maliakel P. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1991) Cycloaromatization of α-oxoketene dithioacetals and β-oxodithioacetals with benzyl-,1-(naphthylmethyl) and 2-(naphthylmethyl)magnesium halides: synthesis of condensed polynuclear aromatic hydrocarbons Tetrahedron, 47 (20-21). pp. 3499-3510. ISSN 0040-4020

Satyanarayana, Janagani ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1991) Cyclocondensation of α-oxoketene n,s-acetals with β-lithioamino-β-substituted acrylonitriles: a facile route to 2,6-substituted 4-amino-3-cyanopyridines Synthesis, 1991 (10). pp. 889-890. ISSN 0039-7881

Datta, Apurba ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1990) Reformatskii reaction on α-oxo ketene dithioacetals: synthesis of substituted and fused ethyl 2-hydroxy-6-(methylthio)benzoates, 6-(methylthio)pyran-2-ones, and 6-(methylthio)-2(1H)pyridone derivatives Journal of Organic Chemistry, 55 (21). pp. 5589-5594. ISSN 0022-3263

Gupta, Arun K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1990) Cycloaromatization of α-oxoketene dithioacetals with lithioacetonitrile and lithiopropionitrile: a facile route to substituted and annelated pyridines Tetrahedron, 46 (7). pp. 2561-2572. ISSN 0040-4020

Thomas, Abraham ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1990) Cyclocondensation of 2-lithiomethylthiazoles and 2-lithiomethylthiazoline with α-oxoketene dithioacetals: synthesis of substituted and annelated thiazolo- and dihydrothiazolo[3,2-a]pyridinium compounds Tetrahedron, 46 (12). pp. 4295-4302. ISSN 0040-4020

Thomas, Abraham ; Chakraborty, Manjaree ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1990) Cyclocondensation of oxoketene dithioacetals with 3-aminopyrazoles: a facile highly regioselective general route to substituted and fused pyrazolo [a̲]pyrimidines Tetrahedron, 46 (2). pp. 577-586. ISSN 0040-4020

Gupta, Arun K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1990) Cyclocondensation of α-oxoketene dithioacetals with β-lithioamino-β- substituted acrylonitriles:synthesis of 2,6-substituted and 5,6-annelated 3-cyano-4- (methylthio) pyridines Tetrahedron, 46 (10). pp. 3703-3714. ISSN 0040-4020

Chandrasekharam, Malapaka ; Asokan, Chitoorthekkathil V. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1990) Oxoketene dithioacetals as versatile synthons for alternative 1,3 to 1,11 carbonyl transpositions: a new polyene synthesis Tetrahedron Letters, 31 (12). pp. 1763-1766. ISSN 0040-4039

Srinivasa Rao, Ch. ; Chakrasali, R. T. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1990) Regio- and chemoselective conjugate 1,4-reduction of α-oxoketene dithioacetals with sodium borohydride and sodium cyanoborohydride Tetrahedron, 46 (6). pp. 2195-2204. ISSN 0040-4020

Balu, Maliakel P. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1990) Studies on cycloaddition reactions of 1,3-diphenyl-2-azaallyl lithium and ethyl (benzylideneamino) acetate anion with α-oxoketene dithioacetals Tetrahedron, 46 (19). pp. 6771-6782. ISSN 0040-4020

Bhat, Laxminarayan ; Thomas, Abraham ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1989) Attempted Simmons-Smith reaction on α-oxoketene dithioacetals: a new general route to 3,4-substituted and annelated thiophenes Tetrahedron Letters, 30 (23). pp. 3093-3096. ISSN 0040-4039

Datta, Apurba ; Pooranchand, Dinah ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1989) Darzen's reaction on oxoketene dithioacetals: a new versatile synthesis of substituted and annelated furan-2-carboxylates Tetrahedron, 45 (23). pp. 7631-7640. ISSN 0040-4020

Gupta, Arun K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1989) Studies on Diels-Alder cycloadditions of vinylketene dithioacetals Tetrahedron, 45 (5). pp. 1509-1516. ISSN 0040-4020

Balu, Maliakel P. ; Pooranchand, Dinah ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1988) Cycloaromatization of α-oxoketene dithioacetals with 3-methyl-5-lithiomethylisoxazole: a new general approach for synthesis of substituted and annelated 1,2-benzisoxazoles Tetrahedron Letters, 29 (4). pp. 501-504. ISSN 0040-4039

Gupta, Arun K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1988) Cycloaromatization of α-oxoketene dithioacetals with lithioacetonitrile: a facile route for 4-substituted and 4,5-annelated pyridines Tetrahedron Letters, 29 (50). pp. 6633-6636. ISSN 0040-4039

Datta, Apurba ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1988) Novel cycloaromatization in reformatsky reaction on ∝-oxoketene dithioacetals: a regioselective synthesis of substituted ethyl 2-hydroxy-6-methylthiobenzoates Tetrahedron Letters, 29 (4). pp. 497-500. ISSN 0040-4039

Vishwakarma, Jai Narain ; Thomas, Abraham ; Apparao, Satyam ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1988) Polarized ketene S,S- and S,N-acetals. Part 52. Lead tetra-acetate oxidation of 3-anilino-3-methylthio-2-arylacrylonitriles. A novel approach to substituted indoles Journal of the Chemical Society, Perkin Transactions 1 (2). pp. 169-173. ISSN 0300-922X

Singh, Laitonjam W. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1988) Polarized ketene dithioacetals. Part 65. Studies on additions of 2-aroyl-3-cyano-1,1-bis(methylthio)propenide anions to hetero-multiple bonds Journal of the Chemical Society, Perkin Transactions 1, 1 (8). pp. 2365-2368. ISSN 0300-922X

Thomas, Abraham ; Vishwakarma, Jai N. ; Apparao, Satyam ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1988) Studies on lead tetraacetate oxidation of α-oxoketene S,N- and N,N-acetals Tetrahedron, 44 (6). pp. 1667-1672. ISSN 0040-4020

Gupta, Arun K. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1987) Aromatic annelation via α-oxoketene dithioacetals: synthesis of thioresorcinol dimethyl ethers Tetrahedron Letters, 28 (13). pp. 1459-1462. ISSN 0040-4039

Balu, Maiiakel P. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1987) Cycloaromatization of α-oxoketene dithioacetals with 2-picolyllithium: a facile quinolizinium cation annelation Tetrahedron Letters, 28 (26). pp. 3023-3026. ISSN 0040-4039

Singh, Gurdeep ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1987) Polarised ketene dithioacetals. Part 50. Reactions of α-aroyl-α-bromoketene dithioacetals with hydrazine hydrate: formation of rearranged pyrazoles Journal of the Chemical Society, Perkin Transactions 1 . pp. 1945-1949. ISSN 0300-922X

Datta, Apurba ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1987) Polarized ketene dithioacetals 63 : stereoselective synthesis of α-ylidene-γ-butyrolactones Tetrahedron, 43 (22). pp. 5367-5374. ISSN 0040-4020

Pooranchand, Dinah ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1987) Reaction of dimethyl N-aryl- and N-alkylcarbonimidodithioates with aminoacetaldehyde diethyl acetal: a direct synthesis of 1-aryl- and 1-alkyl-2-methylthioimidazoles Synthesis, 1987 (12). pp. 1136-1138. ISSN 0039-7881

Singh, Gurdeep ; Deb, Biswajit ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1987) Synthesis of novel 2-amino-4-aryl-5-arylthio-6-methoxypyrimidines and 3(5)-aryl-4-arylthio-5(3)-methylthiopyrazoles via α-oxo-α-arylthioketene dithioacetals Synthesis, 1987 (3). pp. 286-287. ISSN 0039-7881

Balu, Maliakel P. ; Singh, Gurdeep ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1986) Cycloaromatization of δ-oxoketendithioacetals with benzylmagnesium chloride: a novel naphthalene annelation reaction Tetrahedron Letters, 27 (1). pp. 117-120. ISSN 0040-4039

Singh, Gurdeep ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1985) Bromination of α-aroylketene S,S-acetals: synthesis of novel α-aroyl-α-bromoketene S,S-acetals and their further synthetic transformations Synthesis, 1985 (2). pp. 165-169. ISSN 0039-7881

Asokan, Chitoorthekkathil V. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1985) Ketendithioacetals 39. Novel solvolytic rearrangements of 1,1-bis-(methylthio)-2,4-dimethyl-5-aryl (or styryl)-1,4-pentadien-3-ols to cyclopentenone derivative Tetrahedron Letters, 26 (8). pp. 1087-1090. ISSN 0040-4039

Apparao, Satyam ; Bhattacharjee, Shakti S. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1985) Polarized ketene dithioacetals. Part 41. Studies on base-catalysed rearrangements of 1,l-bis(alkylthio)-2-aroylpenta-1,4-dienes to novel 1,5-bis(alkylthio)-2-aroylpenta-1,3-dienes via a 1,5-alkylthio shift Journal of the Chemical Society, Perkin Transactions 1 . pp. 641-645. ISSN 0300-922X

Singh, Gurdeep ; Purkayastha, Makhan L. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1985) Polarized ketene dithioacetals. Part 42. Studies on the reactions of alkyl and aryl Grignard reagents with α-oxoketene dithioacetals Journal of the Chemical Society, Perkin Transactions 1 . pp. 1289-1294. ISSN 0300-922X

Singh, Gurdeep ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1984) Cationic benzoannelation of active methylene ketones via oxoketendithioacetals Tetrahedron Letters, 25 (44). pp. 5095-5098. ISSN 0040-4039

Apparao, Satyam ; Datta, Apurba ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1984) Polarised ketene dithioacetals. Part 32. Studies on base-catalysed rearrangements of 2-bis(methylthio)methyleneindan-1-one, 2-bis(methylthio)methylene-1-tetralone, and 3-bis(methylthio)methylene-2,3-dihydro-1-benzothiopyran-4-one Journal of the Chemical Society, Perkin Transactions 1 . pp. 921-924. ISSN 0300-922X

Azizur-Rahman, ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1984) Synthesis of novel functionalized hydroxyiminoimines by direct nitrosation of β-thio-β -amino-α,β- unsaturated ketones and their further transformations: new general syntheses for imidazole, quinoxaline, and thiazole derivatives Journal of the Chemical Society - Series Chemical Communications (7). pp. 430-431. ISSN 0022-4936

Vishwakarma, Jai N. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1983) Keten dithioacetals. Part 22. Reaction of polarised ketoketen dithioacetals with dimethyl acetylenedicarboxylate Journal of the Chemical Society, Perkin Transactions 1 . pp. 1099-1102. ISSN 0300-922X

Myrboh, Bekington ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1983) Polarized ketene dithioacetals. 28. A new general highly stereoselective and regiospecific method for homologation of ketones to α,β-unsaturated esters via α-oxoketene dithioacetals Journal of Organic Chemistry, 48 (26). pp. 5327-5332. ISSN 0022-3263

Apparao, Satyam ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1983) Polarized ketene dithioacetals. Part 26. Studies on base-catalysed rearrangements of 3,3-bis(alkylthio)-2-methyl-1-arylprop-2-en-1-ones and 3,3-bis(methylthio)-2-benzyl-1-phenylprop-2-en-1-one Journal of the Chemical Society, Perkin Transactions 1 . pp. 2837-2844. ISSN 0300-922X

Kumar, Arvind ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1978) Keten dithioacetals. Part 11. Reaction of 3-cyano-4-methylthio-2(1H)-pyridones with hydrazine and guanidine: synthesis of novel substituted and fused pyrazolo[4,3-c]pyridone and pyrido[4,3-d]pyrimidine derivatives Journal of the Chemical Society, Perkin Transactions 1 . pp. 857-862. ISSN 0300-922X

Kumar, Arvind ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1976) General method for the synthesis of 2-methylthio-3-substituted pyrroles using keten dithioacetals Journal of the Chemical Society - Series Chemical Communications (15). pp. 593-594. ISSN 0022-4936

Kumar, Arvind ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar ; Mhatre, Sushila (1976) Reaction of keten dithio-acetals with aziridine. Iodide ion-catalysed rearrangement of thio-aziridino-methylene compounds to novel Δ¹-2-methylthio-3,3-disubstituted pyrrolines Journal of the Chemical Society - Series Chemical Communications (15). pp. 592-593. ISSN 0022-4936

Rastogi, Roopa R. ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (1975) A novel method for the synthesis of substituted and fused 3-cyano-4-methylmercapto-2(1H)-pyridones using a-oxoketen S,S-diacetals Journal of the Chemical Society - Series Chemical Communications (15). p. 645. ISSN 0022-4936