Preparative process for preparing phenylenediacetate diesters

Details Preparative process for preparing phenylenediacetate diesters Preparative process for preparing phenylenediacetate diesters

1975-09-24

1977-04-05

Myers, Jane S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465D, 260473R, C07C 6976

Patent

active

040161943

ABSTRACT:
This invention relates to the catalytic carbonylation of .alpha.,.alpha.'-dihaloxylenes to phenylenediacetate diesters by the catalytic insertion of carbon monoxide into the carbon-halogen bonds of said .alpha.,.alpha.'-dihaloxylenes in the presence of alkanols. The catalysts used in this novel process are two component homogeneous ligand-stabilized palladium(II) and nickel(II) halide complexes wherein said stabilizing ligands each contain at least one Group VB or VIB donor atom such as phosphorus, which is bonded to one or more aromatic and/or aliphatic radicals.

REFERENCES:
patent: 3437676 (1969-04-01), Kutepow et al.
patent: 3636082 (1972-01-01), Knowles
Falbe, Carbon Monoxide in Organic Synthesis pp. 118-120, (1970).
Heck, J.A.C.S., 85, pp. 2013-2014 (1963).

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