Journal of the Chemical Society. Perkin transactions I p. 2249 - 2256 (1996)
Update date:2022-08-02
Topics:
Procopiou, Panayiotis A.
Brodie, Alastair C.
Deal, Martyn J.
Hayman, David F.
Smith, Gary M.
A mild, efficient and stereospecific intramolecular process for converting hydroxyphenols into benzodioxanes, dihydrobenzopyrans and dihydrobenzofurans via imidate esters is described. The only by-products are N,N-dimethylformamide and triethylamine hydrochloride which are removed by aqueous work-up making this process highly amenable to large scale operation.
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