新型吡唑并[3,4-d]嘧啶-4-酮类衍生物的结构表征和镇痛活性
翟重钢,汪鹏程,单玉宝,兰昱,胡锐,杨运煌

Structure Characterization and Analgesic Activity of Novel Pyrazolo[3,4-d]pyrimidin-4-one Derivatives
ZHAI Chonggang,WANG Pengcheng,SHAN Yubao,LAN Yu,HU Rui,YANG Yunhuang
表1 化合物A的1H NMR实验数据(溶剂:DMSO-d6
Table 1 1H NMR experimental data of compound A (solvent: DMSO-d6)
编号 δH 氢原子个数 谱峰裂分(J/Hz) 归属
1 1.39 2 p (5.9) H-20
2 1.49 4 p (5.5) H-19, H-21
3 1.89 2 p (6.6) H-14
4 2.28 3 s H-16
5 2.31 3 s H-17
6 2.33 4 t (6.8) H-18, H-22
7 2.43 2 t (7.0) H-15
8 2.62 3 s H-12
9 4.25 2 t (6.2) H-13
10 7.31 1 d (8.1) H-2
11 7.71 1 dd (8.1/2.3) H-1
12 7.74 1 d (2.3) H-5
13 8.31 1 s H-9