Tetrahedron Letters p. 5869 - 5872 (1989)
Update date:2022-08-05
Topics: Materials and Reagents Workup and Isolation Reaction Setup Safety Precautions Reaction Procedure
Masters, A. P.
Sorensen, T. S.
Methylene and cyclopropyl ketenes can be generated at -100 deg C by the dehalogenation of α-bromoacylhalides using nitrosyltetracarbonylchromium (-II) anion.This facilitates the trapping of these ketenes with more stable ketenes to give mixed ketene dimers.
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