Method for the preparation of Leuco Crystal Violet Lactone

Details Method for the preparation of Leuco Crystal Violet Lactone Method for the preparation of Leuco Crystal Violet Lactone

1979-01-22

1984-06-19

Love, Ethel G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260391, C07D30778, C09B 1110

Patent

active

044554354

ABSTRACT:
Leuco Crystal Violet Lactone is prepared by condensing one molar proportion of each of N,N-dimethylaniline, p-dimethylaminobenzaldehyde, and m-dimethylaminobenzoic acid with 0-1 molar proportion of urea and 1-4 molar proportions of a strong acidic condensing agent.

REFERENCES:
patent: 2726252 (1955-12-01), Balon et al.
patent: 3739000 (1973-06-01), Lodolini et al.

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