Preparation of 2??(1H??pyrazol??5??yl) benzenesulfonamides from polylithiated C (α), N??carbo??tert??butoxyhydrazones and methyl 2??(aminosulfonyl) benzoate

JD Knight, JB Brown, JS Overby…

Index: E. I. Du Pont de Nemours and Company Patent: US4460401 A1, 1984 ;

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Citation Number: 6

Abstract

... d Rorer, MP Eur. Pat. EP 301784, 1989; Chem. Abstr. 1988, 110, 207841. e EI du Pont de Nemours, and Co., USA, Japanese Patent JP 61280491, 1986; Chem. Abstr. 1986, 106, 102328. f Wolf, AD US Patent, US 4465505, 1984; Chem. Abstr. 1984, 102, 6532. ...