Regiospecificity in reactions of metal phenoxides: 2,2′-dihydroxytriphenylmethanes from aryloxymagnesium bromides and aromatic aldehydes
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 2077-2079
- https://doi.org/10.1039/p19740002077
Abstract
C-Regiospecific attack of aromatic aldehydes at the ortho-position of an aryloxymagnesium bromide in benzene leads to 2,2′-dihydroxytriphenylmethanes in excellent yields. A chelate reaction mechanism is proposed as the basic reason for the exclusive ortho-substitution.Keywords
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