C(O[C:4](=[O:16])[CH2:5][NH:6][CH2:7][C:8]1[C:13]([CH3:14])=[CH:12][CH:11]=[CH:10][C:9]=1[NH2:15])C.S(O)(O)(=O)=O.CS[C:24](=N)[NH2:25]>C(O)C>[CH3:14][C:13]1[CH:12]=[CH:11][CH:10]=[C:9]2[C:8]=1[CH2:7][N:6]1[CH2:5][C:4](=[O:16])[NH:25][C:24]1=[N:15]2A mixture of N-(2-amino-6-methylbenzyl)glycine ethyl ester (0.972 g, 0.00437 mole) and 2-methyl-2-thiopseudourea sulfate (0.609 g, 0.00219 mole) in absolute ethanol (15 ml) was stirred at reflux for 16 hours. Workup as in Example 2 gave the title compound (47 mg), identical (ir) with authentic material prepared according to the procedure of J. Med. Chem., 18, 224 (1975).
Wird geladen…