Items where Author is "Singh, Paramjit"

Article

Inderjit ; Pergl, Jan ; van Kleunen, Mark ; Hejda, Martin ; Babu, Cherukuri Raghavendra ; Majumdar, Sudipto ; Singh, Paramjit ; Singh, Surendra Pratap ; Salamma, Sugali ; Rao, Boyina Ravi Prasad ; Pyšek, Petr (2018) Naturalized alien flora of the Indian states: biogeographic patterns, taxonomic structure and drivers of species richness Biological Invasions, 20 (6). pp. 1625-1638. ISSN 1387-3547

Kessar, Satinder V. ; Singh, Paramjit ; Singh, Kamal N. ; Bharatam, Prasad V. ; Sharma, Arvind K. ; Lata, Sneh ; Kaur, Amarjit (2008) A study of BF₃-promoted ortho lithiation of anilines and DFT calculations on the role of fluorine-lithium interactions Angewandte Chemie International Edition, 47 (25). pp. 4703-4706. ISSN 1433-7851

Kessar, Satinder V. ; Singh, Paramjit ; Singh, Kamal N. ; Bharatam, Prasad V. ; Sharma, Arvind K. ; Lata, Sneh ; Kaur, Amarjit (2008) A Study of BF3-Promotedortho Lithiation of Anilines and DFT Calculations on the Role of Fluorine–Lithium Interactions Angewandte Chemie International Edition, 47 (25). pp. 4703-4706. ISSN 1433-7851

Kessar, Satinder V. ; Singh, Paramjit ; Singh, Kamal Nain ; Venugopalan, P. ; Kaur, Amarjit ; Bharatam, Prasad V. ; Sharma, Arvind K. (2007) An Experimental and Computational Study of Stereoselectivity and Reactivity in Lewis Acid Promoted Lithiation-Substitution of Tertiary Amines Journal of the American Chemical Society, 129 (15). pp. 4506-4507. ISSN 0002-7863

Kessar, Satinder V. ; Singh, Paramjit ; Singh, Kamal Nain ; Venugopalan, P. ; Kaur, Amarjit ; Bharatam, Prasad V. ; Sharma, Arvind K. (2007) An experimental and computational study of stereoselectivity and reactivity in lewis acid promoted lithiation-substitution of tertiary amines Journal of the American Chemical Society, 129 (15). pp. 4506-4507. ISSN 0002-7863

Kessar, Satinder V. ; Singh, Paramjit (1997) Lewis acid complexation of tertiary amines and related compounds: a strategy for α-deprotonation and stereocontrol Chemical Reviews, 97 (3). pp. 721-738. ISSN 0009-2665

Kessar, Satinder V. ; Singh, Paramjit ; Vohra, Rahul ; Kaur, Nachhattar Pal ; Venugopal, D. (1992) Facile generation and trapping of α-oxo-o-quinodimethanes: synthesis of 3-aryl-3,4-dihydroisocoumarins and protoberberines Journal of Organic Chemistry, 57 (25). pp. 6716-6720. ISSN 0022-3263

Kessar, Satinder V. ; Singh, Paramjit ; Kaur, Nachhattar Pal ; Chawla, Usha ; Shukla, Kalpana ; Aggarwal, Punam ; Venugopal, D. (1991) Fluoride ion promoted reactions of α-halo silanes: synthesis of stilbenes, epoxides, cyclopropanes, benzazepines, and phthalidylisoquinolines Journal of Organic Chemistry, 56 (12). pp. 3908-3912. ISSN 0022-3263

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

Singh, Harjit ; Kumar, Manoj ; Singh, Paramjit ; Kumar, Subodh (1989) Synthetic ionophores. 2. Effect of incorporation of sulphur and ester moieties on the ionophore character of 18-crown-6 Journal of Inclusion Phenomena and Macrocyclic Chemistry, 7 (3). pp. 333-336. ISSN 0923-0750

Tandon, S. K. ; Kumar, R. ; Singh, Paramjit (1984) Syntectonic controls of palaeoflow reversals and variability: sediment-vector sequences in the late orogenic fluvial Siwalik basin, Panjab sub-Himalaya, India Sedimentary Geology, 41 (1). pp. 97-112. ISSN 0037-0738

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 ; 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 ; 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

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

Kessar, S. V. ; Gupta, Y. P. ; Singh, Paramjit ; Gupta, S. K. ; Pahwa, P. S. (1979) New routes to condensed polynuclear compounds: Part XVIII-Cyclisations through naphthynes and pyridynes Proceedings of the Indian Academy of Sciences - Chemical Sciences, 88 (3). pp. 191-196. ISSN 0253-4134