Substituted tetrachalcogenofulvalenes and a process for...

C - Chemistry – Metallurgy – 07 – F

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260/349, 260/327

C07F 7/08 (2006.01)

Patent

CA 2020658

6-17660/+ Substituted tetrachalcogenofulvalenes and a process for their preparation Abstract of the disclosure Compounds of the formula I Image (I), in which X1, X2 and X3, independently of one another, are S or Se, R1 and R2, independently of one another, are H, linear or branched C1-C18alkyl or C1-C18alkyl-X4- or R1 and R2 together are Image or Image in which X4 is S or Se, z is 0 and n is an integer from 2 to 6 or x is 1 and n is an integer from 1 to 4, R4 and R5, independently of one another, are H or C1-C6alkyl, and R3 is linear or branched C1-C12alkyl or phenyl. The compounds can be converted into unsymmetrically substituted chalcogenofulvalenes, from which electrically conducting charge-transfer complex salts can be prepared.

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