Journal of Organic Chemistry p. 1072 - 1078 (1987)
Update date:2022-08-04
Topics:
Lal, Kasturi
Ghosh, Subrata
Salomon, Robert G.
Methoxyl groups ortho to β-hydroxyethyl or γ-hydroxypropyl substituents in polymethoxybenzene derivatives were regioselectively demethylated with sodium thioethoxide in N,N-dimethylformamide.Methoxydihydrobenzofurans or methoxychromans were produced by cyclization of the monodemethylated β-hydroxyethyl or γ-hydroxypropyl derivatives, respectively.
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