9-julolidinyl derivatives and process of preparing them

Details 9-julolidinyl derivatives and process of preparing them 9-julolidinyl derivatives and process of preparing them

1985-09-30

1987-09-29

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548455, 548468, 548511, 427151, C07D45502, C07D20902

Patent

active

046970185

ABSTRACT:
The invention provides processes for the preparation of both known and novel [bis(substituted-aryl) (indolyl)]methanes and [(substituted-aryl) (heteryl) (indolyl)]methanes, useful as color formers, particularly in carbonless duplicating and thermal marking systems, which comprises the interaction of [bis(substituted-aryl) (phenylsulfonyl)]methanes and [(substituted-aryl) (heteryl) (phenylsulfonyl)]methanes with indoles in the presence of either an alkaline or an acidic catalyst.

REFERENCES:
patent: 3637748 (1972-01-01), Psaar et al.
patent: 3642823 (1972-02-01), Raue et al.
patent: 3995088 (1976-11-01), Garner et al.
Whitehead and Whitesilt, Journal of Medicinal Chemistry, 1974, vol. 17, No. 12, 1298-1304.
Morrison and Boyd, Org. Chem. 3rd Ed., p. 458.
Streitwieser et al, Intro. to Org. Chem. 2nd Ed., pp. 511-512.

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