Butenolide synthesis via carbonylation of vinylmercurials in the

Details Butenolide synthesis via carbonylation of vinylmercurials in the Butenolide synthesis via carbonylation of vinylmercurials in the

1976-11-19

1978-10-10

Milestone, Norma S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30758, C07D30794

Patent

active

041196422

ABSTRACT:
Compounds containing the butenolide ring have a wide variety of chemical uses. The invention is an improved method of synthesizing .beta.-halobutenolides which are valuable intermediates in preparing a variety of butenolide ring containing compounds. The method comprises reacting an acetylenic alcohol with a mercuric halide to provide a vinylmercuric halide and carbonylating the vinylmercuric halide in the presence of a basic inorganic salt to provide a .beta.-halobutenolide.

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