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Dichloromethane → 3(R)-t-Butoxycarbonylamino-2,3,4,5-tetrahydro-1-[[2'-[[(methoxycarbonyl)amino]methyl][1,1'-biphenyl]-4-yl]-methyl]-1H-benzazepin-2-one

HRID 1379886
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HRID 1379886 반응식
[C:1]([O:5][C:6]([NH:8][C@@H:9]1[CH2:15][CH2:14][C:13]2[CH:16]=[CH:17][CH:18]=[CH:19][C:12]=2[N:11]([CH2:20][C:21]2[CH:26]=[CH:25][C:24]([C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][C:28]=3[CH2:33][NH2:34])=[CH:23][CH:22]=2)[C:10]1=[O:35])=[O:7])([CH3:4])([CH3:3])[CH3:2].C(Cl)Cl.Cl[C:40]([O:42][CH3:43])=[O:41]>C(N(CC)CC)C.C(OCC)(=O)C>[C:1]([O:5][C:6]([NH:8][C@@H:9]1[CH2:15][CH2:14][C:13]2[CH:16]=[CH:17][CH:18]=[CH:19][C:12]=2[N:11]([CH2:20][C:21]2[CH:22]=[CH:23][C:24]([C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][C:28]=3[CH2:33][NH:34][C:40]([O:42][CH3:43])=[O:41])=[CH:25][CH:26]=2)[C:10]1=[O:35])=[O:7])([CH3:4])([CH3:2])[CH3:3]
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참가 물질

6

반응물 3

HCID 6344DichloromethaneHCID 6586Methyl chloroformateHCID 228774603(R)-t-Butoxycarbonylamino-2,3,4,5-tetrahydro-1-[[2'-aminomethyl[1,1'-biphenyl]-4-yl]methyl]-1H-benzazepin-2-one

생성물 1

HCID 228774633(R)-t-Butoxycarbonylamino-2,3,4,5-tetrahydro-1-[[2'-[[(methoxycarbonyl)amino]methyl][1,1'-biphenyl]-4-yl]-methyl]-1H-benzazepin-2-one수율 95%

시약·촉매·용매 2

HCID 8471
Triethylamine
촉매
HCID 8857Ethyl Acetate용매

실험 절차

A solution of 31 mg (0.066 mmol) of the intermediate obtained in Step C in I mL of methylene chloride at room temperature was treated with 1 drop of triethylamine followed by 5 μL (6 mg, 0.067 mmol, 1 eq.) of methyl chloroformate. The mixture was stirred at room temperature for 1 hour then diluted into 10 mL of ethyl acetate and washed with 5% aqueous citric acid and saturated aqueous sodium chloride. The organic layer was removed, dried over magnesium sulfate, filtered and solvents removed under vacuum. The residue was purified by medium pressure liquid chromatography on silica, eluting with 5% methanol in ethyl acetate, to give 33 mg (0.062 mmol, 95%) of the product as a colorless glass. 1H NMR (400 MHz, CDCl3): δ 1.38 (s, 9H), 1.91 (m, 1H), 2.43-2.60 (m, 3H), 3.62 (s, 3H), 4.26 (m, 3H), 4.68 (br t, 1H), 4.93 (d, 15 Hz, 1H), 5.18 (d, 15 Hz, 1H), 5.45 (br d, 7 Hz, 1H), 7.13-7.35 (m, 11H), 7.41 (d, 8 Hz, 1H). FAB-MS: calculated for C31H35N3O5 529; found 530 (M+H, 25%), 430 (M-BOC, 100%).

후처리

  1. washwashed with 5% aqueous citric acid and saturated aqueous sodium chloride
  2. customThe organic layer was removed
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. customsolvents removed under vacuum
  6. customThe residue was purified by medium pressure liquid chromatography on silica
  7. washeluting with 5% methanol in ethyl acetate

출처 및 근거

ORD 기록
ord-1dbdbecc8f8e43f392d5a5f9fb80d7a4
출처 데이터셋
uspto-grants-1997_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05672596

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