Preparation of arylpropiolate esters from trichlorocyclopropenium cation and elaboration of the esters to unsymmetrical 1, 4-pentadiyn-3-ones and unsymmetrical …

DH Wadsworth, SM Geer, MR Detty

Index: Journal of Organic Chemistry, , vol. 52, # 16 p. 3662 - 3668

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Citation Number: 62

Abstract

... acid chlorides in the presence of alkali-metal salts.13 We report a convenient synthesis of arylpropiolates via cyclopropenium chemistry and subsequent ... J. Org ... to drive off HC1, and then cooled to 0 "C. After the solution was shaken vigorously with icewater, the organic layer was ...