Certain benzothiazolium compounds

Details Certain benzothiazolium compounds Certain benzothiazolium compounds

1976-11-12

1978-05-16

Gallagher, Richard J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

81156, 542422, C07D27764

Patent

active

040898660

ABSTRACT:
Novel substantially colorless dye precursors represented by the formula ##STR1## WHEREIN R.sup.1 is hydrogen or alkyl; R.sup.2, R.sup.3 and R.sup.5 is alkyl; R.sup.4 is alkyl or phenyl; Z, taken with N, represents the atoms necessary to make a benzthiazole radical; X is an acid anion; and n is 1 when R.sup.5 carries a negative charge and 2 when R.sup.5 is electrically neutral.

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