Thiolactone dye precursors

Details Thiolactone dye precursors Thiolactone dye precursors

1989-12-07

1993-06-15

Brust, Joseph Paul

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548455, 548464, 548525, 549 49, 549 55, C07D33364, C07D41704

Patent

active

052200361

ABSTRACT:
This invention relates to novel di- and triarylmethane dye precursor compounds possessing a thiolactone, dithiolactone or thioether ring-closing moiety.

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