Method for preparing esters of acrylic acid and methacrylic acid

Details Method for preparing esters of acrylic acid and methacrylic acid Method for preparing esters of acrylic acid and methacrylic acid

1985-06-17

1987-06-09

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

C07C 6702

Patent

active

046721053

ABSTRACT:
A method for preparing an ester of (meth)acrylic acid with a polyhydric alcohol comprising, transesterifying a (meth)acrylic acid ester derived from an alcohol of 1-4 carbon atoms with a transesterifying polyhydric alcohol in the presence of at least one metal compound catalyst system, said catalyst system being comprised of compounds A or a combination of compounds A+B, wherein A represents at least one compound of the formula: Li.sub.n Y, wherein Y is halide, chlorate, carbonate, carboxylate of 1 to 6 carbon atoms, an alkoxide of 1 to 4 carbon atom, hydroxide or oxide and n is 1 or 2, and wherein B is the compound: CaX.sub.q, wherein X is oxide or chloride, and q is 1 or 2; with the provision that at least one of the two anionic components Y and X is oxygen-containing.

REFERENCES:
patent: 2891990 (1959-06-01), Mulvany et al.
patent: 2891991 (1959-05-01), Stewart et al.
patent: 3784578 (1974-01-01), Swodenk et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 8, 2nd Ed. (1966) pp. 356-362.

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