Symmetrical biaryl synthesis via rhodium catalyzed dimerization

Details Symmetrical biaryl synthesis via rhodium catalyzed dimerization Symmetrical biaryl synthesis via rhodium catalyzed dimerization

1976-12-27

1978-08-08

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260666B, 260515R, 260453R, 260563R, 260586R, 260680B, 568730, C07C 1500

Patent

active

041057058

ABSTRACT:
Vinyl- and arylmercuric halide salts undergo reaction with rhodium (I) and (III) catalysts, preferably in the presence of lithium chloride to provide essentially quantitative yields of the corresponding 1,3 dienes and biaryls respectively. Importantly, the reaction is stereospecific and is especially valuable for synthesis of symmetrical functionally substituted dienes, biaryls and polyenes.

REFERENCES:
patent: 3361840 (1968-01-01), Kohll et al.
patent: 4026957 (1977-05-01), Larock

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