Carbamoyl and thiocarbamoyl lithium: A new route by naphthalene-catalysed chlorine-lithium exchange

DJ Ramón, M Yus

Index: Ramon; Yus Tetrahedron Letters, 1993 , vol. 34, # 44 p. 7115 - 7118

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Citation Number: 33

Abstract

Abstract The reaction of N, N-diisopropylcarbamoyl or N, N-dimethylthiocarbamoyl chloride (1a or 1b) with an excess of lithium powder and a catalytic amount of naphthalene (3 mol%) in presence of a carbonyl compound 2 at temperatures ranging between− 78 and 20 C,