Tetrahedron p. 7149 - 7158 (1996)
Update date:2022-09-26
Topics:
Pohmakotr, Manat
Takampon, Auntika
Ratchataphusit, Jantima
Reactions of the lithio derivative 2 derived from 1,1-diphenoxy-2-(phenylsulfonyl)cyclo-propane (1) with both acyl chlorides and acyl imidazoles yielded dihydrofurans 5 which could be transformed to the corresponding furans 6 by treatment with a catalytic amount of p-toluenesulfonic acid.
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(1968)
