Monsanto Company

Helen L Janoski

Sherrol L Baysdon

Mitchell J Pulwer

Mitchell L Pulwer

Described herein is a process for dehydration of substituted piperidine dicarbothioate compounds and a novel compound obtained thereby.

S,S-dimethyl

A process for dehydration of a 4-(lower alkyl)-2,6-bis(trifluoromethyl)-2,6-bis(hydroxy)-piperidine-3,5-dicarboxyl ic acid thioesters and esters.

Process for preparation of fluoromethyl-substituted dihydropyridine

Ammonium salt of methyl 4,4,4-trifluoro-3-oxobutanethioate (TMTFAA).

Ammonium salt of methyl 4,4,4-trifluoro-3-oxo-butanethioate

A process for producing an aromatic thiolester by mixing an alkyl or aryl thiol with an alkali metal hydroxide aqueous solution and, in the presence of a phase transfer catalyst, reacting it with an aromatic acid halide. Diacid halides may be used to produce bisthiol esters.

Process for preparation of aromatic thiol esters

Described herein is a process for preparation of substituted piperidine dicarbothioate compounds.

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St. Peters, MO, United States of America

Helen L Janoski