STUDIES ON THE SEQUENTIAL CLAISEN REARRANGEMENT OF METHYL-3-ARYLOXY-2-(ARYLOXYMETHYL)PROP-2-ENOATES
Claisen rearrangement of methyl-3-aryloxy-2-(aryloxymethyl)prop-2-enoates (4) in refluxing N,N-diethylaniline gave 3-(2-hydroxyphenylmethylene)-3,4-dihydro-2H-1-benzopyran-2-ones (6) and 3-methoxycarbonyl-2H-1-benzopyrans (7).
Gopal, D.,Rajagopalan, K.
p. 5327 - 5330
(2007/10/02)
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