Process for the preparation of Diels-Alder adducts of halogenate

Details Process for the preparation of Diels-Alder adducts of halogenate Process for the preparation of Diels-Alder adducts of halogenate

1975-04-09

1977-10-11

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260648R, 260611R, 260611A, C07C 1700

Patent

active

040535282

ABSTRACT:
An improved process for the preparation of solid Diels-Alder adducts of halogenated cyclopentadienes and mono- or diolefins is disclosed wherein the reactants are combined in an aqueous emulsion. The adducts are obtained in excellent yield and in an extremely fine particulate form. The new process avoids the use of organic solvents which are relatively costly, hazardous to use, and from which the adducts are usually obtained as relatively large crystals which require pulverization prior to use.

REFERENCES:
patent: 2217632 (1940-10-01), Wolfe
patent: 3050567 (1962-08-01), Schmerling
patent: 3205274 (1965-09-01), Mark
patent: 3221066 (1965-11-01), Hoch
patent: 3396201 (1968-08-01), Weil et al.
Migrdichian, Organic Synthesis, vol. 2, 1062-1063 (1957).

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