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Naphthoquinones from alkynes and chromium-carbene complexes-control of regioselectivity through intramolecular reaction

✍ Scribed by M.F. Semmelhack; Joseph J. Bozell

Publisher: Elsevier Science
Year: 1982
Tongue: French
Weight: 240 KB
Volume: 23
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)87497-3

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✦ Synopsis

A series of carbene-chromium complexes bearing a phenyl substituent and an alkoxyalkyne substituent have been prepared by acetoxy replacement. Intramolecular cycloaddltlon with carbon monoxide Insertion occurs to provide naphthohydroqulnones In good yield.

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## Abstract For Abstract see ChemInform Abstract in Full Text.