Synthesis of Some 1-Substituted 2, 2-Dimethyl-3-isopropylidenecyclopropanes1a

J Meinwald, JW Wheeler, AA Nimetz…

Index: Meinwald,J. et al. Journal of Organic Chemistry, 1965 , vol. 30, p. 1038 - 1046

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Citation Number: 34

Abstract

1 2 insecticidal component of pyrethrum flower heads, b it would be unique among natural product structures in having an isopropylidenecyclopropane nucleus and in being a cyclopropanol ester. 6 The isolation of this attractant was an extremely arduous task, requiring nine months' continuous “milking” of 10,000 virgin females to obtain only 12.2 mg. of inaterial. 2 It is not surprising, therefore, that only a limited amount of classical structural ...