Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1988-10-21
1990-03-20
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
544405, C07D23926
Patent
active
049103083
ABSTRACT:
A reactive 2,5-distyrylpyrazine compound having the formula ##STR1## wherein X is COCH.sub.3 or H, and a polymer obtained from the compound.
REFERENCES:
Hasegawa et al., CA 72-79096d (1970), "2,5-distrylpyrazine".
Takahashi et al., CA 82-100055h (1975), "Base-Catalyzed Reactions, IV".
Hasegawa et al., CA 109-231062g, "Fluorescent Asymmetric 2,5-distyrylpyrazines".
Solomons, Organic Chem. 3rd Edition, pp. 804, 805 and 819.
Polyplastics Co. Ltd.
Shah Mukund J.
Shen Ceclia
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