3,6-Di(N-indolinyl)-9-sulfonamidophenyl-xanthenes

Details 3,6-Di(N-indolinyl)-9-sulfonamidophenyl-xanthenes 3,6-Di(N-indolinyl)-9-sulfonamidophenyl-xanthenes

1980-05-30

1981-09-22

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

430221, 548207, C07D20908

Patent

active

042909511

ABSTRACT:
In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein X is ##STR2## wherein R' is alkyl; Y is an electron-withdrawing group and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.

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Beilstein's Handbuch der Organischen Chemie, vol. 27, p. 534 (1937).

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