2-amino-5-nitropyridinium halide crystal structure and process f

Details 2-amino-5-nitropyridinium halide crystal structure and process f 2-amino-5-nitropyridinium halide crystal structure and process f

1995-06-06

1997-06-10

Davis, Zinna Northington

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546297, C07D21390

Patent

active

056377177

ABSTRACT:
The present invention relates to new noncentrosymmetric crystal structures consisting of an optionally substituted 2-amino-5-nitropyridinium halide.
It also relates to a process for the preparation of these crystal structures. Finally, it relates to a device with an electro-optical effect comprising said crystal structure.

REFERENCES:
patent: 5374734 (1994-12-01), Zyss et al.
patent: 5514807 (1996-05-01), Pecaut et al.
Zyss et al, Chemical Physicas, vol. 150, 1991, pp. 125-135.
Pecaut et al, J. Materials Chem, 1993, vol. 3, No. 10, pp. 999-1003.

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