Catalyst for the rearrangement of allylic geminal dihalogen comp

Details Catalyst for the rearrangement of allylic geminal dihalogen comp Catalyst for the rearrangement of allylic geminal dihalogen comp

1996-08-07

1998-06-09

Shaver, Paul F.

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

Organic compounds

Halogen containing

C07C 2109

Patent

active

057637113

ABSTRACT:
A process for converting 3,3-dichloropropene in an intermediate boiling byproduct stream from a process of making allyl chloride by the chlorination of propylene to cis- or trans-1,3-dichloropropene or a mixture of these, wherein the 3,3-dichloropropene is contacted in the liquid phase with an alumina, silica or zeolite catalyst, characterized in that the alumina, silica or zeolite catalyst is selected to possess a predominance of basic sites as associated with a high alkali or alkaline earth metals content, for increased conversion and productivity and reduced catalyst deactivation rates.

REFERENCES:
patent: 5072063 (1991-12-01), Langensee
patent: 5510546 (1996-04-01), Ito

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