Process for the preparation of thioether compounds

Details Process for the preparation of thioether compounds Process for the preparation of thioether compounds

1987-12-14

1989-08-08

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548365, 548225, 548182, 548336, 548144, 548136, 548251, 548374, 548364, 548221, C07D23100, C07D26304, C07D27704, C07D40300

Patent

active

048554413

ABSTRACT:
5-pyrazolone compounds which are substituted with a thioether group in the 4-position may be prepared by the reaction of a 5-pyrazolone compound which is unsubstituted in the 4-position with a sulphenic acid amide. The resulting 5-pyrazolone compounds substituted in the 4-position are suitable for use as 2-equivalent magenta couplers in color photographic recording materials.

REFERENCES:
patent: 3485632 (1969-12-01), Ohlschlager

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