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

HRID 1742962
ノート
印刷プレビュー

反応式

HRID 1742962 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.[N:22]1([CH:27]2[CH2:31][CH2:30][NH:29][CH2:28]2)[CH:26]=[CH:25][N:24]=[N:23]1.C1CCN2C(=NCCC2)CC1>C(#N)C>[F:1][C:2]1[C:3]([N:29]2[CH2:30][CH2:31][CH:27]([N:22]3[CH:26]=[CH:25][N:24]=[N:23]3)[CH2:28]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 190059431-(pyrrolidin-3-yl)-1H-1,2,3-triazole hydrochloride

生成物 1

HCID 70283859(-)-9-Fluoro-3 (S)-methyl-10-[3-(1,2,3-triazol-1-yl) pyrrolidin-1-yl]-7-oxo-2,3-dihydro-7H-pyrido-[1,2,3de]-1,4-benzoxazine-6-carboxylic acid収率 9.3%

試薬・触媒・溶媒 1

HCID 6342
Acetonitrile
溶媒

実験手順

To a suspension of 76 mg (0.27 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 118 mg (0.675 mmol) of 3-(1,2,3-triazol-1-yl) pyrrolidine hydrochloride in 10 ml of dry acetonitrile was added 121 mg (0.81 mmol) of DBU. The reddish brown solution was refluxed for 31 hr. The solvent was then removed under reduced pressure. To the residue water was added and extracted with chloroform. The organic layer was then evaporated to dryness, and to the residue, water was added and solid collected to yield 10 mg of the desired product, m.p. 225°-229° C. 1H NMR (TFA) δ: 9.17 (s, 1H), 8.67 (s, 1H), 8.57 (s, 1H), 7.99 (d, 13.3Hz, 1H), 5.9-5.18 (m, 1H), 5.22-4.07 (m, 7H), 3.13-2.63 (m, 2H), 1.82 (s, 3H), 1.79 (s, 3H). Anal. calcd. for C19H18N5O4F . 1/2 H2O: C, 55.86; H, 4.69; N, 17.16. Found: C, 55.93; H, 4.59; N, 16.37.

後処理

  1. temperatureThe reddish brown solution was refluxed for 31 hr
  2. customThe solvent was then removed under reduced pressure
  3. additionTo the residue water was added
  4. extractionextracted with chloroform
  5. customThe organic layer was then evaporated to dryness
  6. additionto the residue, water was added
  7. customsolid collected

出典と根拠

ORDレコード
ord-e2f2508567154e7e8b9bfdbae4d932bc
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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