74794-43-7Relevant academic research and scientific papers
A process for the preparation of the substituted thiophene
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Paragraph 0028; 0069; 0070, (2016/10/08)
The invention relates to a preparation method of totally-substituted thiophene and belongs to the field of chemical synthesis. The preparation method comprises the following steps: stirring elemental sulfur and a double-molecule alkynyl ketone type compou
Synthesis of Polysubstituted Thiophenes via Base-Induced [2+2+1] Cycloaddition Reaction of Alkynes and Elemental Sulfur
Liu, Weibing,Chen, Cui,Liu, Hailing
supporting information, p. 4050 - 4054 (2016/01/25)
A simple approach to polysubstituted thiophene derivatives is demonstrated. The synthesis is highlighted by the direct [2+2+1] cycloaddition reaction to construct carbon-sulfur and carbon-carbon bonds, without adding oxidizing, reducing and noble metal ag
Facile Synthesis of 2,5-Diacylthiophenes. II. The Reaction of Diketo Sulfides with 1,2-Diketones
Miyahara, Yuji,Inazu, Takahiko,Yoshino, Tamotsu
, p. 1187 - 1188 (2007/10/02)
The base-catalyzed reaction of diketo sulfides (RCOCH2)2S (R=phenyl, p-tolyl) with biacetyl or benzil have provided high yields of 2,5-diacetyltetrahydrothiophene-3,4-diol derivatives rather than the expected 2,5-diacylthiophenes.The diols have been trans
