Ammonia → HCID 22063482, 화합물

HRID 506548노트

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HRID 506548 반응식
C(O[CH:9]1[C:14](=[O:15])[NH:13][C:12]2[CH:16]=[CH:17][CH:18]=[C:19]([C:20](=[O:26])[CH:21](OCC)O)[C:11]=2[O:10]1)C1C=CC=CC=1.[CH:27]([C:30]1[CH:35]=[CH:34][C:33]([CH2:36][C:37]([NH2:40])([CH3:39])[CH3:38])=[CH:32][CH:31]=1)([CH3:29])[CH3:28].[BH4-].[Na+].Cl.N>C(O)C.CC(C)=O.C(OCC)(=O)C.O>[CH2:20]([O:26][C:17]1[CH:18]=[C:19]([CH:20]([OH:26])[CH2:21][NH:40][C:37]([CH3:38])([CH3:39])[CH2:36][C:33]2[CH:32]=[CH:31][C:30]([CH:27]([CH3:29])[CH3:28])=[CH:35][CH:34]=2)[C:11]2[O:10][CH2:9][C:14](=[O:15])[NH:13][C:12]=2[CH:16]=1)[C:19]1[CH:11]=[CH:12][CH:16]=[CH:17][CH:18]=1

참가 물질

10

실험 절차

2.18 g (6.1 mmol) of benzyloxy-8-(2-ethoxy-2-hydroxyacetyl)-4H-benzo[1,4]oxazin-3-one and 1.1 g (5.8 mmol) of 2-(4-isopropylphenyl)-1,1-dimethylethylamine are stirred in 40 mL ethanol at 50° C.-80° C. for one hour. After cooling to ambient temperature, 0.24 g (6.3 mmol) sodium borohydride is added. The mixture is stirred for one hour, diluted with 5 mL acetone, and stirred for a further 30 minutes. The reaction mixture is acidified with hydrochloric acid, combined with 100 mL water and 80 mL ethyl acetate, and made alkaline with ammonia. The organic phase is separated off, dried with sodium sulfate, and freed from solvent. The residue is dissolved in 20 mL ethyl acetate and 10 mL water, acidified with concentrated hydrochloric acid and diluted with diethyl ether. After the addition of a crystallization aid, the solid precipitate is suction filtered and washed. White solid. Yield: 1.7 g (52%, hydrochloride); melting point: 220° C.-222° C.

후처리

  1. stirringstirred for a further 30 minutes
  2. customThe organic phase is separated off
  3. dry with materialdried with sodium sulfate
  4. dissolutionThe residue is dissolved in 20 mL ethyl acetate
  5. additiondiluted with diethyl ether
  6. additionAfter the addition of a crystallization aid
  7. filtrationfiltered
  8. washwashed

출처 및 근거

ORD 기록
ord-daebcae0cedb4acc8b705f5d90ab0d6a
출처 데이터셋
uspto-grants-2010_08
특허 번호
US07786111B2

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