Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01 002 Received July 29, 1976 ... Grignard and lithium reagents react with o-quinol acetates (6-acetoxycyclohexa-2,4-dien-l-ones) ... In an extensive series of papers, Wessely and his co-work- ers at the University of Vienna reported that reaction of Grignard reagents (including methyl-, ethyl-, and phenyl- magnesium halides) with o-quinol acetates (6-acetoxycyclo- ...