Formation of thienothiophenes in the hig
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N. A. Korchevin; Γ©. N. Sukhomoazova; L. P. Turchaninova; G. G. Efremova; N. A. K
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Article
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1988
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Springer US
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English
β 317 KB
The high temperature gas-phase reaction of 2-chlorothiophene with a mixture of diethyl disulfide and diethyl trisulfide constitutes a simple one-step synthesis of a 4:1 mixture of thieno[2,3-b]-and thieno[3,2-b]-thiophenes. Their total yield depends on the nature of the donor of the ethylthio group