Process for the dehalogenation of 1,3-dioxolanes

Details Process for the dehalogenation of 1,3-dioxolanes Process for the dehalogenation of 1,3-dioxolanes

1992-02-05

1993-09-14

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31742

Patent

active

052450546

ABSTRACT:
A process for the dehalogenation of 1,3-dioxolanes of formula: ##STR1## wherein X.sub.1 and X.sub.3, like or different from each other, are Cl or Br, X.sub.2 and X.sub.4, like or different from each other, are F or H. Said process consists in contacting the dioxolane of formula (I) with metallic zinc at a temperature ranging from +30.degree. to 130.degree. C. The corresponding dioxoles are obtained.

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patent: 4496750 (1985-01-01), Anderson et al.
patent: 4533741 (1985-08-01), Squire
patent: 4535175 (1985-08-01), Squire
patent: 4908461 (1990-03-01), Hung

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