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ChemInform Abstract: Study of Pd-Elimination under Carbonylation Conditions: Regioselective Formation of Esters.

✍ Scribed by A. C. ALBENIZ; P. ESPINET; Y.-S. LIN

Publisher
John Wiley and Sons
Year
2010
Weight
38 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis

Study of Pd-Elimination under Carbonylation Conditions: Regioselective Formation of Esters.

-Carbonylation reactions carried out with either the known Ξ· 3 -allylpalladium complexes or with Ξ· 1 -Ξ· 2 -enylpalladium complexes, formed as intermediates at low temperatures, give Ξ²,Ξ³-unsaturated esters such as (IV), (X), and (XI) or Ξ²-aryl methyl esters such as (VIII) and (XIV), respectively. It is concluded that the Ξ· 3 -allyl complexes are not formed from the Ξ· 1 -Ξ· 2 -enyl complexes during the carbonylation process. -(ALB-

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