Synthetic Communications

An Improved Preparation of 3-Chloro-2-Cyclopentenone

J Drouin, JM Conia

Index: Drouin, J.; Conia, J. M. Synthetic Communications, 1982 , vol. 12, # 1 p. 81 - 84

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Abstract

J. Drouin and JM Conia Laboratoire des Carbocycles, UniversitP de Paris-Sud. B5t. L20 91405 Orsay, France ... 3-Chloro-2-enones are very versatile intermediates from which a number of 3-substituted-2-enones can be obtained (I). ... So, 3-chloro-2-cyclopentenone (I) has been used in the preparation of pyridones of pharmaceutical interest, via the 3-azido-2 cyclopentenone (21, of 3-alkyl-2-cyclopentenones useful in cyclopentane annelation (3). (A double ...