Preparation of 4-substituted aryl olefins

Details Preparation of 4-substituted aryl olefins Preparation of 4-substituted aryl olefins

1989-02-27

1990-10-23

Springer, David B.

Colloid systems and wetting agents; subcombinations thereof; pro

Compositions containing an agent for breaking ; processes of...

Continuous liquid phase colloid system and discontinuous...

546261, 556 12, 568737, 568796, 570182, 560105, 562496, C07D21516, C07D213127, C07F 1300

Patent

active

049653610

ABSTRACT:
Process is disclosed for the preparation of 4-substituted aryl olefins from 4-substituted aryl iodides. 4-Substituted aryl iodides are contacted with an olefin in an ester solvent in the presence of a catalyst system comprising a palladium compound and a Bronsted base.

REFERENCES:
Ziegler & Heck, "Palladium-Catalyzed Vinylic Substitution with Highly Activated Aryl Halides," Journal of Organic Chemistry, vol. 43 (No. 15), pp. 2941-2946 (1978).
Plevyak & Heck, "Palladium-Catalyzed Arylation of Ethylene," Journal of Organic Chemistry, vol. 43 (No. 12), pp. 2454-2456 (1978).
Heck, "New Applications of Palladium in Organic Synthesis, " Pure & Applied Chemistry, vol. 50, pp. 691-701 (1978).
Heck, "Palladium-Catalyzed Reactions of Organic Halides with Olefins," Accounts of Chemical Research, vol. 12, pp. 146-151 (1979).
Heitz et al., "Synthesis of Monomers and Polymers by the Heck Reaction," Makromolecular Chem., vol. 189, pp. 119-127 (1988).

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