Dilactone chromogenic compounds and preparation thereof

Details Dilactone chromogenic compounds and preparation thereof Dilactone chromogenic compounds and preparation thereof

1974-01-02

1976-05-04

Milestone, Norma S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

282 275, C07D31186

Patent

active

039548031

ABSTRACT:
A substantially colorless dilactone chromogenic material having the structural formula ##SPC1##
And ##SPC2##
Wherein

REFERENCES:
patent: 656426 (1900-08-01), Schmidt
patent: 3244549 (1966-04-01), Farnham et al.

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