Methanol → HCID 69049181, 화합물
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COC1C=C(C(C=O)=O)C=CC=1OC.CO.[NH2:17][C:18]1[N:27]=[C:26]([O:28][CH2:29]C)[C:25]2[C:20](=[N:21][C:22]([C:31]3[CH:36]=[CH:35][C:34]([O:37][CH3:38])=[C:33]([O:39][CH3:40])[CH:32]=3)=[CH:23][N:24]=2)[N:19]=1>C(O)(C)C>[NH2:17][C:18]1[N:27]=[C:26]([O:28][CH3:29])[C:25]2[C:20](=[N:21][C:22]([C:31]3[CH:36]=[CH:35][C:34]([O:37][CH3:38])=[C:33]([O:39][CH3:40])[CH:32]=3)=[CH:23][N:24]=2)[N:19]=1참가 물질
5
실험 절차
The sequence of reactions described in examples 53 to 57 was followed, however starting from 3,4-dimethoxyphenylglyoxal instead of 4-methoxyphenylglyoxal in the first step, and from methanol instead if isopropanol in the last step. This provided 2-amino-4-ethoxy-7-(3,4-dimethoxyphenyl) pteridine, a compound which was further characterized by its mass spectrum: 314 ([M+H]+, 100), 300 ([M+H-methane]+, 20).