Methanesulfonic Acid → 1-Cyclopropyl-6,8-difluoro-7-[3-(1,2,4-triazol-1-yl) pyrrolidin-1-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid methanesulfonate

HRID 1742957

反応式

HRID 1742957 の反応式
[CH:1]1([N:4]2[C:13]3[C:8](=[CH:9][C:10]([F:25])=[C:11]([N:15]4[CH2:19][CH2:18][CH:17]([N:20]5[CH:24]=[N:23][CH:22]=[N:21]5)[CH2:16]4)[C:12]=3[F:14])[C:7](=[O:26])[C:6]([C:27]([OH:29])=[O:28])=[CH:5]2)[CH2:3][CH2:2]1.[CH3:30][S:31]([OH:34])(=[O:33])=[O:32]>C(Cl)(Cl)Cl>[CH3:30][S:31]([OH:34])(=[O:33])=[O:32].[CH:1]1([N:4]2[C:13]3[C:8](=[CH:9][C:10]([F:25])=[C:11]([N:15]4[CH2:19][CH2:18][CH:17]([N:20]5[CH:24]=[N:23][CH:22]=[N:21]5)[CH2:16]4)[C:12]=3[F:14])[C:7](=[O:26])[C:6]([C:27]([OH:29])=[O:28])=[CH:5]2)[CH2:2][CH2:3]1

参加物

4

実験手順

1-cyclopropyl-6,8-difluoro-7-[3-(1,2,4-triazol -1-yl)pyrrolidin-1-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid (20 mg, 0.05 mmol) was dissolved in 2 ml of chloroform and to this was added 4 ml of methanesulfonic acid in chloroform. The suspension formed was stirred at room temperature for five hr. The solid was collected to yield 12 mg of white solid after drying very well in the oven, m.p. 208.5°-210° C. 1H NMR (CD3OD) δ: 9.54 (s, 1H), 8.78 (s, 1H), 8.64 (s, 1H), 7.81 (dd, 13.8, 2.3Hz, 1H), 5.47-5.3 (m, 1H), 4.5-3.8 (m, 5H), 2.88-2.5 (m, 2H), 2.7 (s, 3H), 1.4-1.1 (m, 4H). Anal. calcd. for C20H21F2N5O6S . H2O: C, 46.60; H, 4.50; N, 13.59.Found: C, 46.75; H, 4.38; N, 13.51.

後処理

  1. customThe suspension formed
  2. customThe solid was collected

出典と根拠

ORDレコード
ord-2b08be761698415f88627290a75c638f
出典データセット
uspto-grants-1994_08
特許番号
US05342846

関連ノート

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