Lactone compounds containing an indolizine radical

Details Lactone compounds containing an indolizine radical Lactone compounds containing an indolizine radical

1980-09-29

1982-06-08

Ford, John M.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D40114, C07D40514

Patent

active

043340725

ABSTRACT:
Chromogenic compounds of normally colorless form are disclosed having the following structural formula: ##STR1## wherein E represents a six-membered aromatic or heterocyclic ring which may have an aromatic condensed ring or a naphthalene ring and both the E ring and the condensed ring may be substituted, A represents an optionally substituted aminophenyl, indolyl, benzoindolyl, julolidinyl or kairolyl radical or the radical represented by B, and B represents a family of indolizine radicals. The compounds of this invention are eligible for use in pressure-sensitive and heat-sensitive record materials and manifold marking systems.

REFERENCES:
patent: 3509173 (1970-04-01), Lin
patent: 3540909 (1970-11-01), Lin
patent: 3936564 (1976-02-01), Miyazawa et al.
patent: 4020068 (1977-04-01), Farber

Affiliated with

Also associated with

Rating

Lactone compounds containing an indolizine radical does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lactone compounds containing an indolizine radical, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lactone compounds containing an indolizine radical will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-553921