Preparation of derivatives of cyclobutane and cyclobutene

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260666PY, C07C 303, C07C 1306

Patent

active

040311520

ABSTRACT:
Preparation of alkylidenecyclobutane derivatives and of cyclobutene derivatives by contacting a (cyclo)alkene with an allene or with a 1-alkyne in the liquid phase in the presence of a dissolved Lewis acid derived from an element of Group III A of the Periodic Table of the Elements, titanium, tin, antimony, tantalum, rhenium, iron, or zinc.

REFERENCES:
patent: 2957035 (1960-10-01), Benson
patent: 3258501 (1966-06-01), Cannell
patent: 3347875 (1967-10-01), Foster et al.

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