Tetrathiapentalene and tetraselenapentalene compounds

Details Tetrathiapentalene and tetraselenapentalene compounds Tetrathiapentalene and tetraselenapentalene compounds

1976-12-30

1978-05-16

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260239R, 26029357, 26029363, 2603268, 26032682, 26032683, 260327R, 260455A, 260455B, C07D51704

Patent

active

040898571

ABSTRACT:
This application is concerned with tetrathiapentalene and tetraselenapentalene compounds. Specifically, it is concerned with 1, 3, 4, 6-tetrathia-2, 5-dihetero-pentalene and 1, 3, 4, 6-tetraselena-2,5-dihetero-pentalene compounds having the formula ##STR1## wherein X is S or Se; each of Y.sup.1 and Y.sup.2 is O, S, or Se; each of Z.sup.1 and Z.sup.2 is --SR, SeR or ##STR2## wherein R and R.sup.I are H, alkyl, aryl, or together form a ring of carbon atoms; and An is the anion of a strong acid. These compounds are key synthetic intermediates for the preparation of tetrathiafulvalene and tetraselenafulvalene materials.

REFERENCES:
patent: 4028346 (1977-07-01), Engler et al.
Bechgaard, K. et al., J. Chem. Soc. Chem. Comm., 937, (1974).
Coffin, D. L., et al., J. Am. Chem. Soc., 93, 2260, (1971).

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