Synthesis of 5??chloropyrazoles by chlorodediazoniation with sulfur dioxide

S Yamamoto, K Morimoto, T Sato

Index: Journal of Heterocyclic Chemistry, , vol. 28, # 6 p. 1545 - 1547

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Citation Number: 13

Abstract

... venient methods is the chlorination by the Sandmeyer reaction of an amino group on a heterocyclic ring, and ... 28 various heterocycles, and may provide us with an in- dustrial pathway leading to a variety of ... 7.1 Hz, СНз), 2.43 (3H, s, СНз), 3.80 (3H, s, СН3), 4.31 (2Н, q, J = 7.1 Hz ...