Novel diorganotin maleate half esters and process for preparing

Details Novel diorganotin maleate half esters and process for preparing Novel diorganotin maleate half esters and process for preparing

1975-01-13

1976-08-31

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 4575J, 260 4575S, C07F 722

Patent

active

039781020

ABSTRACT:
Organotin compounds with low tin content suitable as stabilizers for halogen containing resins e.g. polyvinyl chloride are of formula ##EQU1## where R.sub.1 and R.sub.2 are C.sub.1-20 alkyl, cycloalkyl or phenyl groups, Q.sub.1 represents a radical selected from the group consisting of ##EQU2## Q.sub.2 is a hydrogen atom, an alkyl group containing between 1 and 6 carbon atoms or the group --CH.sub.2 Z.sub.3.

REFERENCES:
patent: 3078290 (1963-02-01), Hechenbleikner et al.
patent: 3126400 (1964-03-01), Cramer et al.
patent: 3413264 (1968-11-01), Hechenbleikner et al.
patent: 3562305 (1971-02-01), Hoch
patent: 3565931 (1971-02-01), Brecker
patent: 3642846 (1972-02-01), Hoch
patent: 3833631 (1974-09-01), Berczi et al.

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