Organotin thiocarboxylates and preparation thereof
Abstract
Abstract A PROCESS IS PROVIDED FOR PREPARING DIORGANOTIN MONOTHIOCARBOXYLATES AND SUCH DIORGANOTIN MONOTHIOCARBOXYLATES CONTAINING ADDITONAL GROUPS, INCLUDING DIORGANOTIN MONOHALIDE MONOTHIO-CARBOXYLATES, BY REACTING A DIORGANOTIN SULFIDE WITH AN ACYL HALIDE TO FORM A DIORGANOTIN MONOHALIDE MONOTHIOCARBOXYLATE, AND OPTIONALLY FURTHER REACTING THE DIRGANOTIN MONOHALIDE MONOTHIOCARBOXYLATE WITH AN ACTIVE HYDROGEN COMPOUND SUCH AS (A) A STRONG INORGANIC ACID TO LIBERATE THE CORRESPONDING FREE THIOL ACID; OR (B) WITH A WEAK ORGANIC ACID, SUCH AS A MERCAPTAN, MERCAPTOESTER, THIOL ACID, OR CARBOXYLIC ACID, OR CARBOXYLIC ACID ESTER OR (C) AN ALCOHOL TO FORM A DIORGANOTIN MONOMERCAPITDE MONOTHIOCARBOXYLATE, A DIORGANOTIN MONOMERCAPTO ACID ESTER MONOTHIOCARBOXYLATE, A DIORGANOTIN DITHIOCARBOXYLATE, A DIORGANOTIN MONOCARBOXYLATE MONOTHIOCARBOXYLATE, OR A DIORGANOTIN MONOALCOHOLATE MONOTHIOCARBOXYLATE. DIOGANOTIN MONOHALIDE MONOTHIOCARBOXYLATES AND DIORGANOTIN MONOMERCAPTO ACID ESTER MONOTHIOCARBOXYLATES ARE ALSO PROVIDED, AS WELL AS POLYVINYL CHLORIDE RESIN COMPOSITIONS CONTAINING THESE DIORGANOTIN DERIVATIVES.
Inventors
- 👤 Lawrence R Brecker
Bibliographic Details
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