Process for producing organic compounds containing an alkoxyalky

Details Process for producing organic compounds containing an alkoxyalky Process for producing organic compounds containing an alkoxyalky

1988-03-10

1989-07-25

Gray, Bruce D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6973

Patent

active

048515663

ABSTRACT:
Process for preparing alkyl alkoxyalkylidenemalonate. An alkyl malonate is condensed with an orthoester in the presence of a carboxylic acid or its anhydride and a metal compound of the group formed by Cd, Hg, Bi, Mg.

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patent: 4058553 (1977-11-01), Ackermann et al.
patent: 4503074 (1985-03-01), Friedman et al.
Claisen, Ueber die Oxymethylenderivate des Acetessigathers, des Acetylacetons und des Malonsaureathers, Ber 26, 2729 (1893).
Claisen, Untersuchungen uber Oxymethylenverbindungen, Annalen der Chemie 297, 16 (1897).
Sah Condensation of Ortho Esters with Acetoacetic Ester and Malonic Ester, J. Am. Chem. Soc. 53, 1836 (1931).
Post and Erickson, The Reactions of Ortho Esters with Certain Acid Anhydrides, J. Am. Soc. 2, 260 (1937).
Fuson, Parham and Reed, Alkylation of Ethyl Malonate with Diethoxymethyl Acetate, J. Org. Chem. 11, 194 (1946).

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