Compound for use in the synthesis of semiconducting polymers wit

Details Compound for use in the synthesis of semiconducting polymers wit Compound for use in the synthesis of semiconducting polymers wit

1990-03-12

1991-06-25

Anderson, Harold D.

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

Organic compounds

Sulfonate esters

528 10, 528 12, 528 14, 528 23, 570183, C07C30300, C07C 2200, C08G 7606

Patent

active

050268945

ABSTRACT:
The stereochemical structure necessary for preparation of perpendicularly arranged cores is provided by a compound of the formula ##STR1## This compound can be synthesized by the reaction of ##STR2## with bromine in the presence of FeCl.sub.3.

REFERENCES:
Chem. Letters, "Synthesis of a Conformationally Restricted Porphyrin . . . Spacer", Osuka, pp. 741-744, 1989.
Helv. Chim. Acta., "Intramol. Transfer of Electronic Excitation Energies in Spiro Compounds", 55(2), pp. 658-669.
Aviram, J. Am. Chem. Soc., 110, (1988), pp. 5687-5692.
Clarkson, J. Am. Chem. Soc., (1930), pp. 2881-2891.
Weisburger, J. Am. Chem. Soc., (1950), pp. 4253-4255.

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