Water-Promoted Reactions : Generation of Oxyallyl Intermediates and their [4+3] Cycloadditions with Furan and Cyclopentadiene. Facile Access to Bridged-cycloheptenones
摘要:
alpha,alpha'-dibromo ketones in the presence of iron powder, or alpha-chloro ketones in the presence of triethylamine, have been shown to react very easily with furan or cyclopentadiene when water was used as solvent. (C) 1997 Published by Elsevier Science Ltd.