2-substituted succinate esters

Details 2-substituted succinate esters 2-substituted succinate esters

1998-02-05

2000-08-15

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

560198, 560201, 560181, 560182, 560183, 568828, 5689095, C08K 512, C07C 6708, C07C 69708

Patent

active

061038016

ABSTRACT:
This invention relates to a process for producing 2-substituted succinate esters of formula (I) by reacting (a) a dicarboxylic compound with a first alcohol R'O[CH'.CH.sub.2 O].sub.x H where x is 0 or an integer from 1-6 in the presence of a catalyst to form a hydrocarbyl ester or, when x=1-6, a hydrocarbyloxy alkylene ester of maleic and/or fumaric acid and (b) the ester from step (a) with an alkaline earth metal alkoxide in the presence of a second alcohol R.OH to form the 2-substituted succinate ester of formula (I). The esters and paint formulations based thereon are also claimed.

REFERENCES:
patent: 2221663 (1940-11-01), Rothrock
patent: 2346612 (1944-11-01), Rothrock
patent: 2404313 (1946-07-01), Rodman
patent: 2571212 (1951-10-01), Croxall et al.
patent: 3172904 (1965-03-01), Rehfuss
patent: 3303241 (1967-02-01), Moorshead
patent: 3499042 (1970-03-01), Smutny
patent: 5118885 (1992-06-01), Tokitoh et al.

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