107052-30-2Relevant articles and documents
Tandem Thermal Claisen-Cope Rearrangements of Coumarate Derivatives. Total Syntheses of the Naturally Occuring Coumarins: Suberosin, Demethylsuberosin, Ostrithin, Balsamiferone and Gravelliferone
Cairns, Nicholas,Harwood, Laurence M.,Astles, David P.
, p. 3101 - 3108 (2007/10/02)
Thermal Claisen rearrangements of derivatives of 4'-O-methyl and 4'-O-benzyl methyl coumarates 3, prepared from the corresponding umbelliferone derivatives, have been investigated.Simple allyl derivatives rearrange predominantly to the vacant ortho-positi