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    • 7. 发明授权
    • Poly[di-1,2-(diazinylidene)-ethene-1,2-diols]
    • 聚[二-1,2-(二亚氮烷基) - 乙烯-1,2-二醇]
    • US4260757A
    • 1981-04-07
    • US58389
    • 1979-07-18
    • Richard H. Wiley
    • Richard H. Wiley
    • C07D237/08C07D237/24C07D239/28C07D241/24C08G6/00C07D403/14C07D403/06
    • C08G16/0268C07D237/08C07D237/24C07D239/28C07D241/24C08G6/00Y10S423/04
    • Poly[di-1,2-(diazinylidene)-ethene-1,2-diols] having the structure:X--C.sub.4 H.sub.2 N.sub.2 --C(OH).dbd.C(OH)--C.sub.4 H.sub.2 N.sub.2 --C(OH) ].sub.n C(OH)--C.sub.4 H.sub.2 N.sub.2 --Yin which the C.sub.4 H.sub.2 N.sub.2 group is a diazinylidene diradical having each C(OH) group adjacent (ortho) to one but not two ring nitrogen atoms and not adjacent (ortho) to each other; X and Y are terminal formyl (CHO) groups or groups derived from them by oxidation; and n has a value of zero to seven--are prepared by a cyanide ion catalyzed condensation of pyrazine-2,5-dicarboxaldehyde, pyridazine-3,6-dicarboxaldehyde; or pyrimidine-4,6-dicarboxaldehyde as the only aldehydes which provide the requisite structures. The polymers form complexes with metal ions including manganese, which is insoluble, and vanadium, which is soluble.
    • 具有以下结构的聚[二-1,2-(二亚乙烯基) - 乙-1,2-二醇]:C(OH)= C(OH)-C 4 H 2 N 2 -C(OH) C 4 H 2 N 2 -Y,其中C 4 H 2 N 2基是具有每个C(OH)基团相邻(邻)至一个但不是两个环氮原子并且不相邻(邻)的二亚乙烯基双基; X和Y是通过氧化从它们衍生的末端甲酰基(CHO)基团或基团; 通过吡嗪-2,5-二甲醛,哒嗪-3,6-二甲醛的氰化物离子催化缩合制备n为0至7的值; 或嘧啶-4,6-二甲醛作为提供所需结构的唯一醛。 聚合物与金属离子形成络合物,包括不溶性的锰和可溶解的钒。