New hydroxy-thia-alkenes, and processes for their preparation an

Details New hydroxy-thia-alkenes, and processes for their preparation an New hydroxy-thia-alkenes, and processes for their preparation an

1987-08-24

1989-07-11

Ceperley, Mary E.

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

Organic compounds

Sulfur containing

528396, C07C14800, C08G 7500

Patent

active

048474207

ABSTRACT:
New unsaturated alcohol-thioether, in which a double bond is located in the beta position to the S atom, in an aliphatic chain which can repeat. The compounds are generally of the formula ##STR1## In this formula, A is a branched or unbranched aliphatic chain which may be substituted or unsubstituted, and preferably contains from 2-6 carbon atoms; R.sup.1, R.sup.3 and R.sup.4 may be the same or different, and are aliphatic groups and/or hydrogen atoms; R.sup.2 is an aliphatic group, hydrogen, alkylene, or a bond and p gives the degree of polymerization of the beta-unsaturated aliphatic chain.
These compounds may be prepared by the reaction of a mercapto-alcohol with a conjugated diene in the presence of a free radical catalyst.

REFERENCES:
patent: 3591475 (1971-07-01), Griebaum et al.
patent: 3708543 (1973-01-01), Hickner et al.
patent: 3729518 (1973-04-01), Lepper et al.
patent: 3763116 (1973-10-01), Kleiner et al.
patent: 4086278 (1978-04-01), Hirsch

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