Process for preparing sulfur-containing hydroxy pyrones

Details Process for preparing sulfur-containing hydroxy pyrones Process for preparing sulfur-containing hydroxy pyrones

1973-12-28

1976-01-06

Weinberger, Lorraine A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30938

Patent

active

039312356

ABSTRACT:
This invention concerns sulfur-containing hydroxy pyrones corresponding to the formula ##SPC1##
Wherein M is H or alkali metal, R is methyl, R' is hydrogen, alkyl, phenyl, halophenyl, nitrophenyl, loweralkylphenyl, benzyl, phenethyl, naphthylmethyl, halobenzyl, loweralkylbenzyl, nitrobenzyl, propargyl, allyl, cyclohexyl loweralkyl, (loweralkylthio)-loweralkyl or adamantyl and n is 0 to 2. The compounds are prepared by reacting the mono-alkali metal salt of 4-hydroxy-6-methyl-2-pyrone with an appropriate thiosulfonate, advantageously in the presence of an organic solvent. The compounds have utility as plant growth stunters and as antimicrobial agents.

REFERENCES:
theilheimer, Synthetic Methods of Organic Chemistry, 25, p. 345 (1971).

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