Patent ID: 6462195
Filing Date: 2002-10-08
Classification: C07D

Abstract:
A selective O-alkyllation method comprising an O-alkylation reaction of a chain or cyclic compound having one or more structures represented by Formula (I) as partial structures, with Compound RL having a leaving group(wherein R is optionally substituted alkyl, optionally substituted allyl or optionally substituted aralkyl; and L is a leaving group), a monovalent copper salt derived from the said chain or cyclic compound is reacted in the presence of a phosphorus compound represented by Formula (II) (wherein R1, R2 and R3 are, each same or different, hydrogen, alkyl, aryl, aralkyl, alkoxy, aryloxy or aralkyloxy with the proviso that R1, R2, and R3 are not all hydrogen).