Pyrazolo [3, 4-c] pyridazines from hydrazine and aminothiophenecarboxylates

MG Reinecke, TA Woodrow…

文献索引：Reinecke, Manfred G.; Woodrow, Thomas A.; Brown, E. Sherwood Journal of Organic Chemistry, 1992 , vol. 57, # 3 p. 1018 - 1021

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被引用次数: 6

摘要

0.152 g (19.2 "01, 42%) of the porphyrin 7 as a purple microcrystalline product: mp over 360 OC; W-vie & nm (e mol.l-'ad) 243 (27000,284 (46000), 412 (14 X l@), 506 (low), 540 (2600), 580 (35001,635 (629); 'H NhIR (200 MHz, 6 ppm ref CHCld 10.14 (e, 2 H, HA , 9.24 (d, J = 4 Hz, 4 H, Hd, 8.92 (d, J = 4 Hz, 4 H, Ha, 8.77 (d, J = 6.5 Hz, 2 H, HJ, 7.94 (d, J = 8.5 Hz, 2 H, H4&), 7.91 (m, 6 H, %J), 7.52 (d, J = 8.5 Hz, 2 ... J = 8 Hz, 4 H, Hm), -2.90 (e, 2 H, HNTH); ...