Concepedia

Cyclization Reactions of 2-Methylbenzenesulfonamides Using N,N-Dimethylcarbamoyl Chloride, N,N-Dimethylthiocarbamoyl Chloride, and N,N-Dimethylsulfamoyl Chloride

Masahiko Takahashi, Tomoya Morimoto, Ken‐ichi Isogai, Sousi Tsuchiya, Keisuke Mizumoto

Heterocycles · 2001 · 11 citations · 5 references

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Ring-chain tautomerism of imine-amine or ketone-carbinol systems obtained by condensation of dilithio-N-substituted carboxamides or sulfonamides with benzonitrile. Synthesis of cyclic products

Hamao Watanabe, Chung‐Ling Mao, I. T. Barnish et al. · The Journal of Organic Chemistry · 1969 · 49 citations

, , +10

Ortho metalation of N-substituted benzenesulfonamides by excess N-butyllithium. Condensation with carbonyl compounds. Cyclizations

Hamao Watanabe, Robert L. Gay, Charles R. Hauser · The Journal of Organic Chemistry · 1968 · 43 citations

, , +5

2-Protecting groups for 5-lithiation in the syntheses of imidazoles

Raphael I. Ngochindo · Journal of the Chemical Society Perkin Transactions 1 · 1990 · 35 citations

, , +13

An Efficient Large Scale Synthesis of 4-Isopropyl- and 4-Isopropyl-6-methoxybenzisothiazolones

Ranjit C. Desai, Dennis J. Hlasta, George Monsour et al. · The Journal of Organic Chemistry · 1994 · 15 citations

, , +5

Direct Preparation of Saccharin Skeletons from <i>N</i>-Methyl(<i>o</i>-methyl)arenesulfonamides with (Diacetoxyiodo)arenes

Hideo Togo, Masashi Katohgi, Masataka Yokoyama · Synlett · 1998 · 13 citations

, , +6