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A New General Route to Thiophenophanes: Synthesis and Properties of [ n ](2,5)Thiophenophane-1, n -diones

โœ Scribed by Miyahara, Yuji


Book ID
120580275
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
149 KB
Volume
71
Category
Article
ISSN
0022-3263

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Synthesis and Structure of (2,5)Thiophenophanes (n = 4-6). -The title compounds like (II) and (IV) are prepared by cyclization of the corresponding linear dibromo derivatives (I) and (III), resp., on reactions with Na 2 S. Best results are obtained in the presence of Cs 2 CO 3 . The X-ray structura