1.
Org Biomol Chem
; 1(7): 1133-8, 2003 Apr 07.
Article
in English
| MEDLINE
| ID: mdl-12926387
ABSTRACT
Evidence is presented which supports the intermediacy of dipolar Baylis-Hillman-type adducts in the synthesis of coumarin and chromene derivatives from the reaction of 2-hydroxybenzaldehydes with methyl acrylate in the presence of 1,4-diazabicyclo[2.2.2]octane (DABCO).