Activation of the 2-alkyl group of a 2-alkylindole toward proton loss and subsequent electrophilic substitutionKATRITZKY, A. R; AKUTAGAWA, K.Journal of the American Chemical Society. 1986, Vol 108, Num 21, pp 6808-6809, issn 0002-7863Article

Novel rearrangement of a 3-amino-1,3-thiazole-2-thioneKATRITZKY, A. R; BAYYUK, S.Heterocycles (Sendai). 1985, Vol 23, Num 12, pp 3099-3106, issn 0385-5414Article

A convenient synthesis of N-vinylpyridinium perchlorate and a study of N-vinylpyridinium cations as Michael reaction acceptorsKATRITZKY, A. R; RUBIO, O.Journal of organic chemistry. 1983, Vol 48, Num 22, pp 4017-4021, issn 0022-3263Article

Nucleophilic displacement of N-aryl and heteroaryl groups. V: Conversion of 2-aminopyridines into 2-pyridonesKATRITZKY, A. R; RADI AWARTANI.Journal of the Chemical Society. Perkin transactions. I. 1983, Num 11, pp 2623-2627, issn 0300-922XArticle

AM1 calculations of reaction field effects on the tautomeric equilibria of nucleic acid pyrimidine and purine bases and their 1-methyl analoguesKATRITZKY, A. R; KARELSON, M.Journal of the American Chemical Society. 1991, Vol 113, Num 5, pp 1561-1566, issn 0002-7863, 6 p.Article

Synthesis of some 4-substituted and 4,6-disubstituted dibenzothiophenesKATRITZKY, A. R; PERUMAL, S.Journal of heterocyclic chemistry. 1990, Vol 27, Num 6, pp 1737-1740, issn 0022-152X, 4 p.Article

The chemistry of N-substituted benzotriazoles. XVIII: A study of the influence of structure on the 1-to 2-(N,N-dialkylaminoalkyl)benzotriazole equilibriumKATRITZKY, A. R; YANNAKOPOULOU, K.Heterocycles (Sendai). 1989, Vol 28, Num 2, pp 1121-1134, issn 0385-5414, 14 p.Article

α-Metallation of tetrahydroquinoline and indoline via their lithium carbamates: a versatile one-pot procedureKATRITZKY, A. R; SENGUPTA, S.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 1, pp 17-19, issn 0300-922X, 3 p.Article

The chemistry of N-substituted benzotriazoles. VI: A new synthetic route to aromatic ketonesKATRITZKY, A. R; KUZMIERKIEWICZ, W.Journal of the Chemical Society. Perkin transactions. I. 1987, Num 4, pp 819-823, issn 0300-922XArticle

Carbon dioxide: a reagent for the protection of nucleophilic centres and the simultaneous activation of electrophilic attack. II: A new synthetic method for the 1-substitution of 1,2,3,4-tetrahydroisoquinolinesKATRITZKY, A. R; AKUTAGAWA, K.Tetrahedron (Oxford. Print). 1986, Vol 42, Num 9, pp 2571-2574, issn 0040-4020Article

Kinetics and mechanism of nucleophilic displacements with heterocycles as leaving groups. XXIII: Studies at the bordelines between reactions proceeding (i) via free carbocations, (ii) via rate-determining formation of ion-molecule pairs, and (iii) via rate-determining nucleophilic attack on ion-molecule pairsKATRITZKY, A. R; BRYCKI, B.Canadian journal of chemistry (Print). 1986, Vol 64, Num 6, pp 1161-1169, issn 0008-4042Article

Preparation of N-cycloalkenyl-1,2-dihydropyridinesKATRITZKY, A. R; SAUMITRA SENGUPTA.Journal of chemical research. Synopses (Print). 1987, Num 4, pp 112-113, issn 0308-2342Article

Intramolecular reactions of pyridinium-2-carbonyl azides: conversion of amines into aldehydesKATRITZKY, A. R; SIDDIQUI, T.Journal of the Chemical Society. Perkin transactions. I. 1982, Num 12, pp 2953-2956, issn 0300-922XArticle

A simple, versatile synthetic route to N-1-aryl-, -heteroaryl-, -acylmehyl-, -carboxymethyl- and -alkyl-benzotriazoles via regiospecific or highly regioselective substitutions of benzotriazoleKATRITZKY, A. R; JING WU.Synthesis (Stuttgart). 1994, Num 6, pp 597-600, issn 0039-7881Article

o-(α-Benzotriazolylalkyl)phenols : novel precursors of o-quinone methidesKATRITZKY, A. R; LAN, X.Synthesis (Stuttgart). 1992, Num 8, pp 761-764, issn 0039-7881Article

A new synthetic method for the 2-substitution of N-unsubstituted benzimidazoles: formaldehyde as a versatile protecting agent for heterocyclic NHKATRITZKY, A. R; AKUTAGAWA, K.Journal of organic chemistry. 1989, Vol 54, Num 12, pp 2949-2952, issn 0022-3263, 4 p.Article

The chemistry of benzotriazole. VIII: A novel two-step procedure for the N-alkylation of amidesKATRITZKY, A. R; DREWNIAK, M.Journal of the Chemical Society. Perkin transactions. I. 1988, Num 8, pp 2339-2344, issn 0300-922XArticle

Kinetics and mechanisms of nucleophilic displacements at sp³ hybridized carbon atoms with heterocyclic leaving groupsKATRITZKY, A. R; SAKIZADEH, K.Heterocycles (Sendai). 1985, Vol 23, Num 7, pp 1765-1813, issn 0385-5414Article

S_N2' Type substitution reactions of 1-diphenylamino- and 1-carbazol-9-yl-pyridinium cationsKATRITZKY, A. R; SZAJDA, M.Journal of the Chemical Society. Perkin transactions. I. 1985, Num 10, pp 2155-2157, issn 0300-922XArticle

A proton and carbon NMR spectral study of 4-substituted and 4,6-disubstituted dibenzothiophenesKATRITZKY, A. R; PERUMAL, S.Magnetic resonance in chemistry. 1990, Vol 28, Num 10, pp 914-917, issn 0749-1581, 4 p.Article

A general method for the preparation of β-aminoestersKATRITZKY, A. R; YANNAKOPOULOU, K.Synthesis (Stuttgart). 1989, Num 10, pp 747-751, issn 0039-7881, 5 p.Article

A general method for the N-alkylation of thioamidesKATRITZKY, A. R; DREWNIAK, M.Tetrahedron letters. 1988, Vol 29, Num 15, pp 1755-1758, issn 0040-4039Article

Preparation of N-(4,5-dihydroimidazol-2-yl)azoles by aliphatic aldehyde assisted reactions of 2-chloro-4,5-dihydroimidazole with various azolesKATRITZKY, A. R; SACZEWSKI, F.Synthesis (Stuttgart). 1990, Num 7, pp 561-563, issn 0039-7881Article

Importance of dipolar resonance structures in determining ground state charge distributionKATRITZKY, A. R; KARELSON, M.Tetrahedron letters. 1990, Vol 31, Num 21, pp 2987-2990, issn 0040-4039, 4 p.Article

Synthesis of o-acylarylcarboxylic esters : a new replacement of phenolic hydroxyl by a carbonyl groupKATRITZKY, A. R; KOTALI, A.Tetrahedron letters. 1990, Vol 31, Num 47, pp 6781-6784, issn 0040-4039, 4 p.Article