Bis-(indolyl)ethylenes: process for their preparation

Details Bis-(indolyl)ethylenes: process for their preparation Bis-(indolyl)ethylenes: process for their preparation

1990-09-04

1993-07-20

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548450, 548455, 544 60, 544 61, 544 62, 544142, 544143, 544144, 546200, 546201, C07D20956, C07D20902, C07D40106, C07D41714

Patent

active

052295222

ABSTRACT:
Novel bis-(indolyl)ethylenes, process for their production and record systems utilizing such bis-(indolyl)ethylene chromogens are described.

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