Substituted tetrachalcogenofulvalenes and a process for their pr

Details Substituted tetrachalcogenofulvalenes and a process for their pr Substituted tetrachalcogenofulvalenes and a process for their pr

1990-07-06

1992-01-28

Gerstl, Robert

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

Organic compounds

549 15, 549 33, 549 37, C07D40904, C07D42102

Patent

active

050845675

ABSTRACT:
Compounds of the formula I ##STR1## in which X.sub.1, X.sub.2 and X.sub.3, independently of one another, are S or Se, R.sub.1 and R.sub.2, independently of one another, are H, linear or branched C.sub.1 -C.sub.18 alkyl-X.sub.4 - or R.sub.1 and R.sub.2 together are ##STR2## in which X.sub.4 is S or Se, z is 0 and n is an integer from 2 to 6 or z is 1 and n is an integer from 1 to 4, R.sub.4 and R.sub.5, independently of one another, are H or C.sub.1 -C.sub.6 alkyl, and R.sub.3 is linear or branched C.sub.1 -C.sub.12 alkyl or phenyl.
The compounds can be converted into unsymmetrically substituted chalcogenofulvalenes, from which electrically conducting charge-transfer complex salts can be prepared.

REFERENCES:
patent: 4691028 (1987-09-01), Irokuchi

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