Thermal rearrangement of o-cis-butadienylphenol to 2-methyl-2H-1-benzopyran
Abstract
Evidence is presented which suggests that the isomerization of o-cis-butadienylphenols to benzopyrans proceeds via 2-allylidenecyclohexadienones.
Evidence is presented which suggests that the isomerization of o-cis-butadienylphenols to benzopyrans proceeds via 2-allylidenecyclohexadienones.
E. E. Schweizer, D. M. Crouse and D. L. Dalrymple, J. Chem. Soc. D, 1969, 354 DOI: 10.1039/C29690000354
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