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A simple catalytic system for the substitutive carbonylation of allyl alcohols to β,γ-unsaturated acids or esters

✍ Scribed by Bartolo Gabriele; Giuseppe Salerno; Mirco Costa; Gian Paolo Chiusoli

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 529 KB
Volume: 111
Category: Article
ISSN: 1381-1169
DOI: 10.1016/1381-1169(96)00122-7

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✦ Synopsis

Ally1 alcohols can be efficiently carbonylated to /3,y-unsaturated acids or esters in dimethylacetamide (DMA) or MeOH/DMA mixtures under relatively mild conditions (8O"C, 50-100 atm) using a simple catalytic system consisting of palladium iodide in the presence of thiourea as ligand. In the case of but-2-ene-1,4-diol, selectivation to methyl S-hydroxypent-3-enoate, 3,6-dihydro-1,2-pyrone or dimethyl hex-3-enedioate may be achieved.

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