A Facile Synthesis of 3,4‐Diamino‐2,5‐Diacylthieno[2,3‐b]Thiophenes from Disodium(Dimercaptomethylene)Malononitrile and α‐Halo Ketones | Zendy

Fuchigami Toshio | Zendy; Kandeel Zaghloul ElShahat | Zendy; aka Tsutomu | Zendy; Tien HsienJu | Zendy

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A Facile Synthesis of 3,4‐Diamino‐2,5‐Diacylthieno[2,3‐b]Thiophenes from Disodium(Dimercaptomethylene)Malononitrile and α‐Halo Ketones

Author(s) -

Fuchigami Toshio,

Kandeel Zaghloul ElShahat,

aka Tsutomu,

Tien HsienJu

Publication year - 1986

Publication title -

journal of the chinese chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.329

H-Index - 45

eISSN - 2192-6549

pISSN - 0009-4536

DOI - 10.1002/jccs.198600032

Subject(s) - malononitrile , sydnone , chemistry , derivative (finance) , medicinal chemistry , halo , organic chemistry , ring (chemistry) , catalysis , financial economics , economics , physics , quantum mechanics , galaxy

Various kinds of α‐halo ketones readily reacted with disodium (dimercaptomethylene)malononitrile to give the corresponding 34‐diamino‐2,5‐diacylthieno‐[2,3‐b]thiophenes in good to excellent yields. The reaction was successfully extended to the synthesis of a thienothiophene derivative having two sydnone rings by using the 4‐(bromoacetyl)sydnone.

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