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Bis (2-pyridyl-l-oxide) disulfide(I), useful as bactericides and fungicides(no data), was prepd. with a high purity and high yield. Thus, 2-chloro-pyridine-N-oxide was obtained by oxidizing 2-chloro-pyridine with permaleic acid, and mercaptized by alkali metal hydrosulfide or alkali metal sulfide to form an alkali salt of 2-mercaptopyridine-N-oxide, maintaining the final pH at 4-5, and oxidized with a hydrogenperoxide to give I.
KR7500947A1975-05-011975-05-01Method for preparing bis-(2-pyridyl-1-oxide) disulfide
KR790000730B1
(en)
METHOD FOR SYNTHESIZING 2-(4-METOXYPHENYLPROPIONYL)AMINO-6-n-PROPYLAMINO-4,5,6,7-TETRAHYDROBENZOTHIASOL IN FORM OF RACEMATE OR (-)-ENANTIOMER OR ITS ACID ADDITIVE SALT
Derivatives of 2-thiazolyl-oxamic acid substituted in position 4 by a thienyl or furyl radical, their preparation and use as pharmaceutical preparations