
Tetrahedron Letters p. 5407 - 5410 (1987)
Update date:2022-08-02
Topics:
Padwa, Albert
Stull, Paul D.
Reaction of the α-diazoketone derived from 7-carboxyphthalide with rhodium acetate results in an internal cyclization to give a six-ring carbonyl ylide which is subsequently converted to 7-carbomethoxyphthalide.
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