Methine dyes and preparation thereof

Details Methine dyes and preparation thereof Methine dyes and preparation thereof

1986-09-15

1988-06-14

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544 32, 544284, 544296, 544316, 544353, 544354, 544405, 546140, 546141, 546142, 546145, 546148, 546153, 546155, 546177, 546178, 546180, 546255, 546264, 546270, 546271, 546102, 546103, 546104, 546108, 546110, 548156, 548328, C07D40106

Patent

active

047513098

ABSTRACT:
Methine dyes (I) which conform in one of their tautomeric forms to the general formula ##STR1## where Y.sup.1 is in both or either case an electron-attracting group and the other Y.sup.1 is hydrogen,

REFERENCES:
patent: 3846137 (1974-11-01), Riester et al.
patent: 3881926 (1975-05-01), Ohlschlager et al.
patent: 4316984 (1982-02-01), Brown
Jipson et al., "J. Vac. Sci. Technol.", vol. 18, No. 1, 1981, pp. 105-109.
"Chemical Abstracts", vol. 87, 1977, col. 87:14287g (Abstract of French Pat. No. 2,305,817).

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