| abstract |
A compound A-87774-1 having the following properties: 1) Molecular weight: 668, 2) Molecular formula: C18H29N4O17PS2, 3) 1H nuclear magnetic resonance spectrum (δppm) when measured in deuterated water: 5.86 (1H , d, J> = 5.9 Hz), 5.59 (1H, d, J> = 11.0 Hz), 4.56 (1H, c, J> = 6.9 Hz), 4.42 ( 1H, dd, J> = 11.2, 2.9 Hz), 4.38 (1H, dd, J> = 11.2, 3.7 Hz), 4.30-4.27 (2H, m) , 4.24-4.23 (2H, m), 4.07 (1H, d, J> = 10.1 Hz), 3.97 (1H, dd, J> = 12.7, 2.1 Hz ), 3.61 (1H, dd, J> = 11.3, 10.3 Hz), 3.55 (1H, m), 3.52 (1H, m), 3.33 (1H, dd, J > = 11.4, 1.8 Hz), 2.72 (1H, dd, J> = 7.0, 6.6 Hz), 1.42 (3H, d, J> = 6.9 Hz), 4) 13C nuclear magnetic resonance spectrum (δppm) when measured in deuterated water: 178.6 (s), 174.0 (s), 154.8 (s), 91.4 (s), 89.2 ( d), 87.6 (d), 80.8 (d), 74.8 (d), 73.5 (d), 70.2 (d), 70.2 (d), 70.0 (t ), 63.7 (d), 60.6 (d), 53.8 (t), 36.5 (t), 30.3 (t), 18.3 (q), 5) Absorption spectrum of infrared (vmax cm-1) when measured using a KBr disk: 3423, 1703 , 1639, 1487, 1450, 1406, 1383, 1339, 1258, 1217, 1184, 1088, 1067, 937, 899, 827, 536 and 6) Specific optical rotation: [α] D 24 + 40.0º (c, 0 , 22, in H2O), or a salt thereof. |