Synthesis of chalcogenated polyacenes

Details Synthesis of chalcogenated polyacenes Synthesis of chalcogenated polyacenes

1976-03-01

1977-05-10

Jaisle, Cecilia M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260327M, 260327R, 252500, C07D34100

Patent

active

RE0292109

ABSTRACT:
Chalcogenated polyacenes including organic semiconductors such as tetrathiotetracene, [tetraselenotetracene], and hexathiopentacene are produced by reaction of a polyacene with elemental sulfur, [selenium, and tellurium] in the presence of nitrogen-containing hot solvents, preferably alkylated amides. N,N-dimethylformamide is the preferred solvent. The disclosed method of synthesis produces substituted polyacenes of high yield and purity in considerably shorter reaction times than achievable by prior art methods.

REFERENCES:
chemical Abstracts, vol. 44, cols. 3399-3401 (1950), abstracting Marschalk et al., "Bull. Soc. Chim France," (1948), pp. 418-428.

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