117285-86-6Relevant articles and documents
Syntheses of 6-acylcoumarins via highly regioselective fries rearrangements. Total syntheses of the linear acylated coumarins geijerin and dehydrogeijerin
Cairns, Nicholas,Harwood, Laurence M.,Astles, David P.
, p. 7581 - 7590 (2007/10/02)
Methyl 3-(2-acyloxy-4-methoxyphenyl)propanoates (7), prepared in high yield from 7-methoxycoumarin are key intermediates in general and efficient syntheses of 6-acylcoumarins. Under standard Fries rearrangement conditions (7) undergo highly regioselective