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Kumara, Subodh ; Luxami, Vijay ; Harjit Singh, (2009) Conjugates of calixarenes and heterocycles in the design of newer chemical entities Advances in Heterocyclic Chemistry, 97 . pp. 219-290. ISSN 0065-2725

Kumar, Subodh ; Kaur, Navneet ; Harjit Singh, (2008) Metallacalixarenes: organo-inorganic hybrid molecular architectures Advances in Heterocyclic Chemistry, 96 . pp. 123-173. ISSN 0065-2725

Kumar, Subodh ; Singh, Kamaljit ; Harjit Singh, (2006) Coenzyme 5,10-methylene and methenyltetrahydrofolate models in organic synthesis Advances in Heterocyclic Chemistry, 91 . pp. 159-188. ISSN 0065-2725

Kumar, Subodh ; Paul, Dharam ; Harjit Singh, (2005) Syntheses, structures and interactions of heterocalixarenes Advances in Heterocyclic Chemistry, 89 . pp. 65-124. ISSN 0065-2725

Kumar, Subodh ; Hundal, Geeta ; Paul, Dharam ; Hundal, Maninder Singh ; Harjit Singh, (2000) Heterocalixarenes part 4. Synthesis of oxocalix [1] heterocycle [2]-arenes: a unique H-bonding network in calix [1] benzimidazol-2-one [2] arene ½ H₂O Journal of the Chemical Society, Perkin Transactions 1 (14). pp. 2295-2301. ISSN 0300-922X

Kumar, Subodh ; Paul, Dharam ; Harjit Singh, (2000) Heterocalixarenes. Part 2. Calix[m]uracil[n]benzimidazol-2(1H)-one[3] arenes: synthesis and binding characteristics Journal of Inclusion Phenomena and Macrocyclic Chemistry, 37 (1-4). pp. 371-382. ISSN 0923-0750

Kumar, Subodh ; Paul, Dharam ; Hundal, Geeta ; Hundal, Maninder Singh ; Harjit Singh, (2000) Heterocalixarenes. Part 3: Bis-oxo-bridged calix[1]cyclicurea[3]arene and calix[1]cyclicurea[1]pyridine[2]arenes. Synthesis, X-Ray crystal structure and conformational analysis Journal of the Chemical Society, Perkin Transactions 1 (6). pp. 1037-1043. ISSN 0300-922X

Singh, Kamaljit ; Singh, Jasbir ; Deb, Prasant K. ; Harjit Singh, (1999) An expedient protocol of the Biginelli dihydropyrimidine synthesis using carbonyl equivalents Tetrahedron, 55 (44). pp. 12873-12880. ISSN 0040-4020

Kumar, Subodh ; Hundal, Geeta ; Paul, Dharam ; Hundal, Maninder Singh ; Harjit Singh , (1999) Heterocalixarenes. 1. Calix [2] uracil [2] arene: synthesis, X-ray structure, conformational analysis, and binding character Journal of Organic Chemistry, 64 (21). pp. 7717-7726. ISSN 0022-3263

Harjit Singh, ; Dolly, ; Hundal, Maninder Singh ; Hundal, Geeta ; Singh, Palwinder ; Chimni, Swapandeep Singh ; Kumar, Subodh (1998) Acid catalysed reactions of 5-formyluracils with enamines. A facile synthesis of 5-acylvinyluracils Tetrahedron, 54 (26). pp. 7563-7572. ISSN 0040-4020

Singh, Kamaljit ; Singh, Jasbir ; Harjit Singh, (1998) A novel synthesis of functionalized aldehyde equivalents through addition of carbanions on Δ²-oxazolinium cations Tetrahedron, 54 (14). pp. 3567-3574. ISSN 0040-4020

Singh, Kamaljit ; Singh, Jasbir ; Harjit Singh, (1998) Carbon transfer reactions of functionalized oxazolidines and their open chain enamine tautomers to enamine nucleophiles. A facile synthesis of substituted pyridines and ring annulated derivatives Tetrahedron, 54 (5-6). pp. 935-942. ISSN 0040-4020

Harjit Singh, ; Dolly, ; Chimni, Swapandeep Singh ; Kumar, Subodh (1998) Facile synthesis of 5-(substituted vinyl)-uracil derivatives through knoevenagel and stobbe type condensations of 5-formyluracils Journal of Chemical Research (9). pp. 544-545. ISSN 0308-2342

Kumar, Subodh ; Hundal, Maninder Singh ; Hundal, Geeta ; Singh, Palwinder ; Bhalla, Vandana ; Harjit Singh, (1998) Synthetic ionophores. Part 18: Ag⁺ selective trithiabenzena-and dithiabenzenapyridinacyclophanes Journal of the Chemical Society, Perkin Transactions 2 (4). pp. 925-932. ISSN 0300-9580

Kumar, Subodh ; Hundal, Geeta ; Bhalla, Vandana ; Hundal, Maninder Singh ; Harjit Singh, (1998) The synthesis and X-Ray structure analysis of an unusual bent anthraquinone based coronand Journal of Chemical Research (12). pp. 794-795. ISSN 0308-2342

Kumar, Subodh ; Hundal, Geeta ; Kaur, Navneet ; Hundal, Maninder Singh ; Harjit Singh, (1997) Bis-pyridine tetramide 18- membered macrocycles. Role of increased preorganisation on Ag⁺/Pb²⁺ selectivity Tetrahedron Letters, 38 (1). pp. 131-132. ISSN 0040-4039

Singh, Kamaljit ; Singh, Jasbir ; Harjit Singh , (1996) A synthetic entry into fused pyran derivatives through carbon transfer reactions of 1, 3-oxazinanes and oxazolidines with carbon nucleophiles Tetrahedron, 52 (45). pp. 14273-14280. ISSN 0040-4020

Kumar, Subodh ; Kaur, Navneet ; Harjit Singh, (1996) Synthetic ionophores part 14: effect of pyridine and thioether ligating units on Ag⁺ selectivity in 18-membered diamide-diester macrocycles Tetrahedron, 52 (42). pp. 13483-13492. ISSN 0040-4020

Kumar, Subodh ; Bhalla, Vandana ; Singh, Palwinder ; Harjit Singh, (1996) 2,8,14-trithio[15] m-/p- phenylene crownophanes: Ag⁺ selective receptors Tetrahedron Letters, 37 (20). pp. 3495-3496. ISSN 0040-4039

Kumar, Subodh ; Hundal, Maninder Singh ; Kaur, Navneet ; Singh, Rajinder ; Harjit Singh, (1996) Synthetic ionophores. 13. Pyridine-diamide-diester receptors: remarkable effect of amide substituents on molecular organization and Ag⁺ selectivity Journal of Organic Chemistry, 61 (22). pp. 7819-7825. ISSN 0022-3263

Kumar, Subodh ; Saini, Rummi ; Harjit Singh, (1992) Synthesis and binding character of ether-ester-ethyleneurea podands and macrocycles-synthetic nactin analogs Tetrahedron Letters, 33 (51). pp. 7937-7940. ISSN 0040-4039

Kumar, Subodh ; Saini, Rummi ; Harjit Singh, (1992) Synthetic ionophores. Part 7. Synthesis and ionophore character of uracil based podands Journal of the Chemical Society, Perkin Transactions 1 (15). pp. 2011-2015. ISSN 0300-922X

Kumar, Subodh ; Saini, Rummi ; Harjit Singh, (1991) Silver selective benzimidazol-2(1H)-one based, sulphur-containing podands Journal of Inclusion Phenomena and Macrocyclic Chemistry, 11 (2). pp. 115-119. ISSN 0923-0750

Harjit Singh, ; Kumar, Subodh ; Jain, Anupa ; Singh, Paramjit (1990) Synthetic ionophores. Part 4. Phase transfer-catalysed synthesis of pyridine-containing macrocycles and their ionophore character Journal of the Chemical Society, Perkin Transactions 1 (4). pp. 965-968. ISSN 0300-922X

Harjit Singh, ; Singh, Kamaljit (1989) Carbon transfer reactions with heterocycles-V. A facile synthesis of nifedipine and analogues Tetrahedron, 45 (12). pp. 3967-3974. ISSN 0040-4020

Harjit Singh, ; Sarin, Rakesh ; Singh, Kamaljit ; Contreras, Rosalinda ; Uribe, Guillermo (1989) Reactions of sodium cyanoborohydride with benzothiazolium and Δ²-thiazolinium cations. Formation of benzothiazolines, thiazolidines and stable thiazaboroles Tetrahedron, 45 (16). pp. 5193-5202. ISSN 0040-4020

Harjit Singh, ; Singh, Kamaljit (1988) Carbon transfer reactions with heterocycles-IV: synthetic equivalence of perhydrooxazines with carbonyl compounds. A facile synthesis of streptindole and analogues Tetrahedron, 44 (18). pp. 5897-5904. ISSN 0040-4020

Harjit Singh, ; Kumar, Subodh (1987) Synthesis of heterocycles via enamines-XIII: steric control on the mode of reactions of β-isothiocyanatoketones with amino-acids Tetrahedron, 43 (9). pp. 2177-2180. ISSN 0040-4020

Harjit Singh, ; Kumar, Subodh (1987) Synthesis of heterocycles via enamines. Part 12. Intramolecular additions of nucleophiles to 1,4-dihydropyrimidine-2(3H)-thione derivatives: single-step synthesis of condensed heterocyclic compounds Journal of the Chemical Society, Perkin Transactions 1 . pp. 261-264. ISSN 0300-922X

Harjit Singh, ; Sarin, Rakesh (1986) Carbon transfer reactions of Δ²-oxazolinium and thiazolinium cations Tetrahedron, 42 (5). pp. 1449-1460. ISSN 0040-4020

Harjit Singh, ; Aggarwal, Sunil K. ; Malnotra, Nageshwar (1986) Extrusion reactions-VIII: a facile synthesis of 4-alkyl quin azolines and 1-methyl-2-aryl-4-quinolones Tetrahedron, 42 (4). pp. 1139-1144. ISSN 0040-4020

Singh, Paramjit ; Batra, Manohar S. ; Harjit Singh, (1984) A conventent synthesis of functonalised heterocuclic enamines from alpha-thioiminium salts and active methylene compounds under solid-liquid PTC conditions Synthetic Communications, 14 (6). pp. 533-536. ISSN 0039-7911

Harjit Singh, ; Deep, Kanwal (1984) Extrusion reactions-VI transformations of beta (4-quinazolinylthio) ketones to 3-(beta ketoalkyl)-4(3h)-quinazolone derivatives Tetrahedron, 40 (23). pp. 4937-4939. ISSN 0040-4020

Harjit Singh, ; Aggarwal, Sunil K. ; Malhotra, Nageshwar (1984) Extrusion reactions-VII: formation of 2,5-diaryl-1,4-dithiins and 2-acetonyl thiazoles Tetrahedron, 40 (23). pp. 4941-4946. ISSN 0040-4020

Harjit Singh, ; Singh, Paramjit ; Deep, Kanwal (1983) Synthesis of heterocycles via enamines-X : reactions of 1-substituted-4,4,6-trimethyl-1,4-dihydropyrimidine-2(3h)thione derivatives with α-halogenated carboxylic acids and ketones Tetrahedron, 39 (9). pp. 1655-1660. ISSN 0040-4020

Harjit Singh, ; Malhotra, Subhash C. (1981) Heterocycles in organic synthesis-ii¹ synthesis of ethylenedisulphide derivatives (-S-CH₂-CH₂-S-) from 2,3-dihydrothiazolo [2,3-a] isoquinolinium and pyridinium cations Synthetic Communications, 11 (6). pp. 443-446. ISSN 0039-7911

Harjit Singh, ; Malhotra, Subhash C. (1981) Heterocycles in organic synthesis. III A facile synthesis of isoquinolinyl vinyl sulphides Synthetic Communications, 11 (8). pp. 635-638. ISSN 0039-7911

Harjit Singh, ; Singh, Paramjit (1981) Synthesis of heterocyclics via enamines--IX: reactions of 1-substituted-4,4, 6-trimethyl-1, 4-dihydropyrimidine-2(3h)thione derivatives with dihalocarbenes Tetrahedron, 37 (6). pp. 1215-1219. ISSN 0040-4020

Sandhu, Sarjit Singh ; Tandon, Santokh Singh ; Harjit Singh, (1980) Ligating properties of model bioheterocyclics. Part IV. Synthesis and characterization of palladium(II), platinum(II) and platinum(IV) halide complexes with 3,8-Diphenyl-4,5,6,9-tetrahydro1,4,7-thiadiazonines Transition Metal Chemistry, 5 (1). pp. 333-337. ISSN 0340-4285

Harjit Singh, ; Singh, Paramjit (1980) Synthesis of heterocyclic compounds via enamines. Part 8. Acid-catalysed transformations in 4,4,6-trimethyl-1,4-dihydropyrimidine-2(3H)-thione derivatives and related compounds Journal of the Chemical Society, Perkin Transactions 1 . pp. 1013-1018. ISSN 0300-922X

Harjit Singh, ; Singh, Paramjit ; Malhotra, N. (1980) An iodine-potassium t-butoxide catalysed conversion of thioamides and thioureas to their oxygen analogs Synthetic Communications, 10 (8). pp. 591-594. ISSN 0039-7911

Sandhu, S. S. ; Tandon, S. S. ; Harjit Singh, (1979) Ligating properties of model bioheterocyclics-I : complexes of copper(II) and cobalt(II) halides with 3,6-disubstituted-2,7-dihydro-1,4,5-thiadiazepine derivatives Journal of Inorganic and Nuclear Chemistry, 41 (8). pp. 1239-1244. ISSN 0022-1902

Sandhu, S. S. ; Tandon, S. ; Singh, H. (1979) Ligating properties of model bioheterocyclics. lll. Synthesis and characterization of the palladium(II) and platinum(II) Complexes with 3,6-disubstituted-2,7-dihydro-1,4,5-thiadinzepine derivatives Inorganica Chimica Acta, 34 . pp. 81-86. ISSN 0020-1693

Harjit Singh, ; Gandhi, C. S. (1979) Synthesis of nitriles and symmetrical organic sulphides from biprotic carbothioamides and an α-halogenated ketone, ester or nitrile Synthetic Communications, 9 (7). pp. 569-573. ISSN 0039-7911

Sandhu, S. S. ; Tandon, S. S. ; Singh, H. (1978) Ligating properties of model bioheterocyclics-II synthesis and characterization of zinc(II) and cadmium(II) halide complexes with 3,6-disubstituted-2,7-dihydro-1,4,5-thiadiazepine derivatives Journal of Inorganic and Nuclear Chemistry, 40 (11). pp. 1967-1970. ISSN 0022-1902

Harjit Singh, ; Gandhi, Chander S. (1978) A facile synthesis of ethyl α-cyano-β-amincacrylates and related compounds Synthetic Communications, 8 (7). pp. 469-472. ISSN 0039-7911

Moore, Richard E. ; Harjit Singh, ; Scheuer, Paul J. (1966) Isolation of eleven new spinochromes from Echinoids of the genus Echinothrix Journal of Organic Chemistry, 31 (11). pp. 3645-3650. ISSN 0022-3263

Becher, Dieter ; Djerassi, Carl ; Moore, Richard E. ; Harjit Singh, ; Scheuer, Paul J. (1966) Mass spectrometry in structural and stereochemical problems.CXI. The mass spectrometric fragmentation of substituted naphthoquinones and its application to structural elucidation of echinoderm pigments Journal of Organic Chemistry, 31 (11). pp. 3650-3660. ISSN 0022-3263

Moore, Richard E. ; Singh, Harjit ; Chang, Clifford W. J. ; Scheuer, Paul J. (1966) Sodium borohydride reduction of spinochrome A. Removal of phenolic hydroxyls in the naphthazarin system Journal of Organic Chemistry, 31 (11). pp. 3638-3645. ISSN 0022-3263