Sodium Iodide → 8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, 2-[(diethoxyphosphinyl)acetyl]hydrazide

HRID 275298노트

반응식

HRID 275298 반응식
Br[CH2:2][C:3]([NH:5][NH:6][C:7]([N:9]1[CH2:15][C:14]2[CH:16]=[CH:17][CH:18]=[CH:19][C:13]=2[O:12][C:11]2[CH:20]=[CH:21][C:22]([Cl:24])=[CH:23][C:10]1=2)=[O:8])=[O:4].[CH2:25]([O:27][P:28]([O:32]CC)[O:29][CH2:30][CH3:31])[CH3:26].[Na+].[I-]>O1CCCC1.[Na+].[I-]>[CH2:25]([O:27][P:28]([CH2:2][C:3]([NH:5][NH:6][C:7]([N:9]1[CH2:15][C:14]2[CH:16]=[CH:17][CH:18]=[CH:19][C:13]=2[O:12][C:11]2[CH:20]=[CH:21][C:22]([Cl:24])=[CH:23][C:10]1=2)=[O:8])=[O:4])([O:29][CH2:30][CH3:31])=[O:32])[CH3:26]

참가 물질

6

실험 절차

To a stirring solution of 2.57 g (6.3 mmol) of 8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, 2-(bromoacetyl) hydrazide (19), prepared as described in Example 19 above, in 75 mL of tetrahydrofuran (THF) was added 1.25 g (7.5 mmol) of triethylphosphite and 0.15 g (1 mmol) of NaI. After 22 hours of refluxing, an additional 0.62 g (3.75 mmol) of triethylphosphite and 0.05 g (0.33 mmol) of NaI were added to the reaction, which was refluxed an additional 24 hours. The solvent was then removed under aspirator vacuum, and the reaction mixture was chromatographed to yield 2.46 g (83%) of 8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, 2-[(diethoxyphosphinyl)acetyl]hydrazide (20), which was a beige foam.

후처리

  1. temperatureAfter 22 hours of refluxing
  2. temperaturewas refluxed an additional 24 hours
  3. customThe solvent was then removed under aspirator vacuum
  4. customthe reaction mixture was chromatographed

출처 및 근거

ORD 기록
ord-3d8e95d92ba84f71b11f6ab50d181d93
출처 데이터셋
uspto-grants-1995_02
특허 번호
US05393747

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