3-substituted hydantoins

Details 3-substituted hydantoins 3-substituted hydantoins

1988-12-16

1990-07-03

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23374

Patent

active

049392697

ABSTRACT:
A hydantoin compound of the formula: ##STR1## (wherein R stands for an alkyl group of 8 to 20 carbon atoms) increases the sensitivity of a color developing reaction of a heat-sensitive recording material and enhances the high-speed recording property of The recordig matvrial Without sacifice of the whiteness thereof. The heat-sensitive recording material containing the hydantoin compound is novel to the art.

REFERENCES:
patent: 4203619 (1980-05-01), Sanders et al.
Chemical Abstracts, 62:16258c (1965) [France 1,389,841, 2/19/65].
Findbeiner, H., J. Org. Chem., 30, 3414-3419 (1965).

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