Tetrahedron Letters

Synthese totale et stereoselective du dimethyl-6, 10 methylidene-9 undecene-5 (e) one-2: un des constituants de l'huile de Costus

JP Morizur, J Tortajada

Index: Morizur, Jean-Pierre; Tortajada, Jeanine Tetrahedron Letters, 1982 , vol. 23, # 50 p. 5275 - 5278

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Citation Number: 4

Abstract

Abstract The first total and stereoselective synthesis of (E)-6, 10 dimethyl-9 methylidene undec-5-en-2-one: a constituant of Costus Root oil is reported. It was conducted with an overall yield of 22% from 1-methyl-2-oxo-methylcyclopentane carboxylate (α-methylated Dieckmann-ester) 2, used as a starting material.