Synthesis of polyfunctionally substituted thiophene, thieno [2, 3-b] pyridine and thieno [2, 3-d] pyrimidine derivatives

WW Wardakhan, HZ Shams…

文献索引：Wardakhan, Wagnat W.; Shams, Hoda Z.; Moustafa, Hosam E. Phosphorus, Sulfur and Silicon and the Related Elements, 2005 , vol. 180, # 8 p. 1815 - 1827

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被引用次数: 15

摘要

View all references Structures of the latter products were established on the basis of analytical and spectral data. Compound 4a was previously reported. 16 16. Gewald , K. 1965. Chem. Ber., 98: 3571 [CrossRef] View all references On the other hand, the IR spectrum of 4b showed two stretching modes at υ 3577–3476 and 2205 cm −1 corresponding to NH 2 and CN groups, respectively. Moreover, it's 1 H NMR spectrum showed a singlet at δ 2.21 ...