Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1993-12-15
1995-03-21
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
C07D49810, C07D49820
Patent
active
053996879
ABSTRACT:
A compound is described with the general formula ##STR1## where R.sup.1 is one to four substituted groups from the series --Z, --OZ, --NZ.sub.2, --NHZ, NH.sub.2, CN, CF.sub.3 with Z: C.sub.1 -C.sub.5 alkyl, phenyl, pyridyl, benzyl
REFERENCES:
patent: 4634767 (1987-01-01), Hoelscher et al.
patent: 4637698 (1987-01-01), Kwak et al.
patent: 5017698 (1991-05-01), Machida et al.
Optische Werke G. Rodenstock
Raymond Richard L.
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