Reaktionen von Dinatrium-dicyandithioace
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Wobig, Dieter
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Article
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1990
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John Wiley and Sons
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English
⚖ 230 KB
Reactions of Disodium Dicyanodithioacetate and Sodium Dicyanothioacetamides with Derivatives of γ‐Bromocrotonic Acid The dicyanodithioacetate 3 reacts with the derivatives of γ‐bromocrotonic acid 4a and 4b to give the thieno‐[2,3‐b]thiophenes 5a and 5b. 3 can also be alkylated successively with two