Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1995-06-07
1996-02-13
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D30316
Patent
active
054912440
ABSTRACT:
The present invention concerns a method for the production of olefin anhydrides, such as acrylic anhydride and methacrylic anhydride, via reactions between an aromatic acid chloride, such as benzoyl chloride, and carboxylate ions of the olefin acid corresponding to the anhydride to be produced. The method of the invention may be conducted without the use of a solvent, catalyst, polymerization inhibitor, or an external source of heat. Moreover the acrylic anhydrides of the invention can be used to produce high yields of acrylate esters by means of room-temperature reactions, without mineral acid catalysis.
REFERENCES:
patent: 3584015 (1971-06-01), Lee et al.
patent: 4311645 (1982-01-01), Rosenberger
patent: 4874558 (1989-10-01), Fife et al.
Journal of Polymer Science: Part A, vol. 2, pp. 2385-2400 (1964); Acrylic Anhydrides and Polymers Derived Therefrom; Jesse C. H. Hwa, William A. Fleming, and Leon Miller; Research Laboratory, Rohm and Haas Company, Philadelphia, Pennsylvania.
March, J. Advanced Organic Chemistry (John Wiley & Sons, New York), p. 355 (1985).
Ayorinde Folahan O.
Hassan Mahmoud
Howard University
Shah Mukund J.
Wong King L.
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