Process for producing phthalic acid esters

Details Process for producing phthalic acid esters Process for producing phthalic acid esters

1984-11-15

1987-06-23

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

556106, 560 85, 560 89, C07C 6708

Patent

active

046754342

ABSTRACT:
A process for preparing phthalic acid esters of formula (I) which comprises reacting the phthalic acids of formula (II) with an aliphatic alcohol in the presence of a catalyst consisting essentially of the dialkyltinoxides of formula (III): ##STR1## wherein R and R.sub.1 are the same or different and include both straight and branch chain aliphatic alkyl groups containing 4 to 13 carbon atoms and R.sub.2 and R.sub.3 are straight or branch chain aliphatic alkyl groups containing 1 to 8 carbon atoms.

REFERENCES:
patent: 3332983 (1967-07-01), Barie et al.
patent: 3341570 (1967-09-01), Barie
Seyforth et al, J.A.C.S., 79: pp. 515-517, (1957).
Anderson, Inorganic Chemistry, 3: pp. 108-109, (1964).
Yeats et al, Inorganic Chemistry, vol. 11, No. 11, pp. 2634-2641, (1972).

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