Process for preparing a thioindigo derivatives comprising cycliz

Details Process for preparing a thioindigo derivatives comprising cycliz Process for preparing a thioindigo derivatives comprising cycliz

1985-07-15

1987-03-24

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 52, 549 54, 549 55, C09B 710, C07D33364, C07D40904

Patent

active

046526609

ABSTRACT:
Process for preparing thioindigo compounds of the formula ##STR1## in which A and B denote identical or different, optionally substituted benzene rings or benzene rings to which may be joined further carbocyclic and heterocyclic rings,
characterized in that compounds of the formulae ##STR2## in which A and B have the abovementioned meaning and

REFERENCES:
patent: 2158032 (1938-06-01), Lubs et al.
patent: 2914539 (1959-11-01), Mory et al.
patent: 3503875 (1970-03-01), Grigoriu
patent: 4260778 (1981-04-01), Schutze et al.
patent: 4395527 (1983-07-01), Berger

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