| 摘要 |
PURPOSE:Antibacterials S551-II of formula: yellow fine crystal, m.p. 214 deg.C (decomp.), specific rotation 281 deg. (C=0.30, acetone), mol.wt. 293 (mass spectrometry), elementary analysis C 57.36%, H 5.25%, M 4.73%, C14H15O6N, ultra violet absorption (lambda max, ? value) 273nm (28655) in methanol, ferric chloride reaction +, sodium nitropruddide reaction +, Ehrlich's reaction reaction + and 2,4-dinitrophenyl reaction +. |
