Catalyst recovery in the carbonylation of chlorobutenes to pente

Details Catalyst recovery in the carbonylation of chlorobutenes to pente Catalyst recovery in the carbonylation of chlorobutenes to pente

1994-05-04

1995-03-21

Killos, Paul J.

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

Organic compounds

Carboxylic halides

C07C 5158, C07C 5300

Patent

active

053997530

ABSTRACT:
Palladium catalyst residue is recovered from still heels by treating the still heels with hydrochloric acid, converting the palladium component to crotyl palladium chloride, and using the crotyl palladium chloride as catalyst in the carbonylation of chlorobutene to 3-pentenoyl chloride.

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patent: 4414160 (1983-11-01), Erpenbach et al.
patent: 4749525 (1988-01-01), Pascoe et al.

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