Photochemical preparation of 3-(organothio) aldehydes

Details Photochemical preparation of 3-(organothio) aldehydes Photochemical preparation of 3-(organothio) aldehydes

1989-09-11

1990-07-31

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415778, 20415793, B01J 1908

Patent

active

049448536

ABSTRACT:
A process is disclosed for the preparation of 3-(organothio)aldehydes by reacting a mercaptan with an .alpha., .beta.-unsaturated aliphatic aldehyde under actinic radiation in the absence of an oxygen-containing gas wherein the mercaptan and aldehyde are mixed in substantially equimolar amount and the reaction temperature ranges from about 2.degree. to less than 60.degree. C.

REFERENCES:
patent: 3529940 (1970-09-01), Shima et al.
Yamada et al.,--"Applications of Ion Exchange Resins in Organic Reactions", Jour. of Pharm. Soc., Japan (1953) (Translation copy only).
Szabo et al., "Reactions of Mercaptans with Unsaturated Compounds", Jour. Amer. Chem. Soc., 70, 3667 (1948).
Hall et al., "Reactions of Crotonaldehyde with Ethanethiol", Jour. Chem. Soc., 2723 (1949).
Yamagishi, "Studies of Photochemical Addition Reactions", Part 5 [1], Addition Reactions of Crotonaldehyde, Methyl Vinyl Ketone and Cinnamaldehyde, Nippon Kagaku Zasshi (Bull. Chem. Soc. Japan), vol. 80, pp. 764-766, 1959 (Japanese Text--English Translation).

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