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1,8-Diazabicyclo(5.4.0)undec-7-ene → (-)-9-Fluoro-3(S)-methyl-10-[3-(4-methyl-1,2,3-triazol-1-yl)pyrrolidin-1-yl]-7-oxo-2,3-dihydro-7H-pyrido-[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

HRID 1742963
ノート
印刷プレビュー

反応式

HRID 1742963 の反応式
[F:1][C:2]1[C:3](F)=[C:4]2[O:9][CH2:8][C@H:7]([CH3:10])[N:6]3[CH:11]=[C:12]([C:17]([OH:19])=[O:18])[C:13](=[O:16])[C:14]([CH:15]=1)=[C:5]23.Cl.[CH3:22][C:23]1[N:24]=[N:25][N:26]([CH:28]2[CH2:32][CH2:31][NH:30][CH2:29]2)[CH:27]=1.C1CCN2C(=NCCC2)CC1>C(#N)C>[F:1][C:2]1[C:3]([N:30]2[CH2:31][CH2:32][CH:28]([N:26]3[CH:27]=[C:23]([CH3:22])[N:24]=[N:25]3)[CH2:29]2)=[C:4]2[O:9][CH2:8][C@H:7]([CH3:10])[N:6]3[CH:11]=[C:12]([C:17]([OH:19])=[O:18])[C:13](=[O:16])[C:14]([CH:15]=1)=[C:5]23
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 688333Levofloxacin q-acidHCID 190059493-(4-Methyl-1,2,3-triazol-1-yl)pyrrolidine hydrochloride

生成物 1

HCID 18654492(-)-9-Fluoro-3(S)-methyl-10-[3-(4-methyl-1,2,3-triazol-1-yl)pyrrolidin-1-yl]-7-oxo-2,3-dihydro-7H-pyrido-[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

試薬・触媒・溶媒 1

HCID 6342
Acetonitrile
溶媒

実験手順

A solution of 70.25 mg (0.25 mmol) of (-)-9,10-difluoro-3(S)-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid and 141 mg (0.75 mmol) of 3-(4-methyl-1,2,3-triazol-1-yl)pyrrolidine hydrochloride in 3 ml of acetonitrile in the presence of 152.24 mg (1 mmol) of DBU was refluxed for 3 days under nitrogen atmosphere. The suspension was then evaporated and water was added to the residue and solid collected and washed with methanol to yield after drying 50 mg of the desired product, m.p. 241°-242° C. 1H NMR (TFA) δ: 9.16 (s, 1H), 8.37 (s, 1H), 7.99 (d, 13.3Hz, 1H), 5.75-5.6 (m, 1H), 5.15-4.1 (m, 7H), 3-2.6 (m, 2H), 2.67 (s , 3H), 1.8 (d, 6.8Hz, 3H). Anal. calcd. for C20H20FN5O4 . 1/2 H2O: C, 56.87; H, 5.01; N, 16.58. Found: C, 57.30; H, 4.77; N, 16.75.

後処理

  1. customThe suspension was then evaporated
  2. additionwater was added to the residue and solid
  3. customcollected
  4. washwashed with methanol
  5. customto yield
  6. dry with materialafter drying 50 mg of the desired product, m.p. 241°-242° C

出典と根拠

ORDレコード
ord-e0a4a5056b5e4f118ceb9e8471a967c4
出典データセット
uspto-grants-1994_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05342846

反応ノート

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