Tetra ketone porphyrin monomers and the process of preparation t

Details Tetra ketone porphyrin monomers and the process of preparation t Tetra ketone porphyrin monomers and the process of preparation t

1988-09-23

1990-03-13

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

20415771, C07D48722

Patent

active

049084429

ABSTRACT:
The present invention relates to a tetraketone of the structure ##STR1## wherein M is a metal atom and R is selected from phenyl, alkyl substituted phenyl or halogen substituted phenyl. The process to prepare this tetraketone is disclosed. The present invention also relates to a process to produce the tetraketone structure (I). The present invention also relates to the novel polymer of the structure ##STR2## and to the process to produce this novel polymer. R is as defined hereinabove and Ar is a tetraamine substituted organic moiety having at least one aromatic ring. These polymers are useful as liquid crystals and in nonlinear optical devices.

REFERENCES:
patent: 3920692 (1975-11-01), Wiersdorff et al.
M. J. Crossley et al., Journal of Chemical Society, Chemical Communications, 1987, pp. 39-40.
M. J. Crossley, Abstracts Booklet, 196th Annual American Chemical Society Meeting, Los Angeles, CA, Sep. 26-31, 1988, earlier published about July 15, 1988.

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