Tetra-substituted fulvalene derivatives

Details Tetra-substituted fulvalene derivatives Tetra-substituted fulvalene derivatives

1986-04-23

1987-09-01

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540 1, 549 35, C07D31732, C07D32704, C07D33906, C07D34300

Patent

active

046910280

ABSTRACT:
A fulvalene derivative represented by formula (1) below. ##STR1## where A.sup.1 -A.sup.8 are at least one atom or a combination of two or more atoms selected from S atom, Se atom, and Te atom; and R.sup.1 -R.sup.4 are alkyl or alkene having 3 to 22 carbon atoms.
The fulvalene derivative of this invention has electric conductivity as it is at normal temperature and under normal pressure. It is useful as a semiconductor, which has an electrical conductance greater than 10.sup.-9 Scm.sup.-1 and a minimum specific resistance of 10.sup.5 .OMEGA..multidot.cm order.

REFERENCES:
patent: 4111857 (1978-09-01), Engler et al.
Narita et al., Inter. Jo. of Methods in Syn. Org. Chem., 1976, No. 8, Aug., pp. 489, 498, 499.

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