Synthesis of (E)-and (Z)-Cyclopropyl-3-chloroalanine

…, CH Stammer, KI Varughese

Index: Bland, John M.; Stammer, Charles H.; Varughese, Kottayil I. Journal of Organic Chemistry, 1984 , vol. 49, p. 1634 - 1636

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Citation Number: 41

Abstract

12, X= C1; Y= H diazomethane to unsaturated oxazolones is well-known'and since the requisite chloro compound 2 had been reported, 2 we prepared and studied its reaction with diazomethane. The configuration of 2 as reported in 1946 was unknown, and when the synthetic sequence (Scheme I) was carried out, only one isomer of 2 appeared to be produced, as determined by'H NMR and TLC analyses. However, when 2 was treated with ...