Sulphinyl compounds and their preparation

Details Sulphinyl compounds and their preparation Sulphinyl compounds and their preparation

1990-09-13

1992-01-21

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

562429, 564134, 564162, C07C31720, C07C31502, C07C23102, C07C23310

Patent

active

050829661

ABSTRACT:
A compound of the formula ##STR1## in which R.sup.1 is an aralkyl group and R.sup.2 is COOR.sup.2 hydrogen or a monovalent organic group attached through a carbon atom and preferably is a hydrocarbon group, and n is one or two. Typically R.sup.2 is a lower alkyl group. The compound is prepared from the corresponding sulphide compound by oxidation, for example using hydrogen peroxide. The compound can be directly amidated to the corresponding amide which is a precursor for tri- and tetramethyleneisothiazolin-3-ones.

REFERENCES:
patent: 4853403 (1989-08-01), Shiraishi et al.
patent: 4965395 (1990-10-01), Saeki et al.

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