1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives and...

Details 1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives and... 1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives and...

2007-12-25

2007-12-25

Anderson, Rebecca (Department: 1626)

Compositions

Light transmission modifying compositions

C558S419000

Reexamination Certificate

active

10484704

ABSTRACT:
The present invention relates to 1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives and method for preparing the same. The 1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives can be prepared by refluxing 1,3,5-tricyanomesitylene with N-formylamine dimethylacetal or substituted benzaldehyde, or by the Wittig reaction of 1,3,5-tricyano-2,4,6-tris[(diethoxyphosphoryl)methyl]benzene with substituted benzaldehyde. The 1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives exhibit large first hyperpolarizability in solution and significant second harmonic generation (SHG) in the powder state, and are useful as optical devices such as electro-optic modulators, optical switch, or the like for treating optical signal in optical communication industry.

REFERENCES:
Cho et al. “1,3,5-Tricyano-2,4,6-tris(vinyl)benzene Derivatives with Large Second-Order Nonlinear Optical Properties” Journal of the American Chemical Society, 2001, vol. 123, pp. 6421-6422.
Cho, B.R. et al. “1,3,5-Tricyano-2,4,6-tris(vinyl)benzene Derivatives with Large Second-Order Nonlinear Optical Properties”, J.Am.Chem.Soc., Am. Chem. Soc., vol. 123 pp. 6421-6422, (2001).
Cho, B.R. et al. “Two Photon Absorption Properties of 1,3,5-Tricyano-2,4,6-tris(styryl)benzene Derivatives”,J. Am. Chem. Soc., Am. Chem. Soc., vol. 123 pp. 10039-10045, (2001).

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