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Ethyl Acetate → (S)-2-{(S)-2-[(S)-3-(4-Allyloxy-phenyl)-2-tert-butoxycarbonylamino-propionylamino]-4-methyl-pentanoylamino}-pent-4-enoic acid methyl ester

HRID 58359
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HRID 58359 반응식
[CH2:1]([O:4][C:5]1[CH:10]=[CH:9][C:8]([CH2:11][C@H:12]([NH:24][C:25]([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[O:26])[C:13]([NH:15][C@@H:16]([CH2:20][CH:21]([CH3:23])[CH3:22])[C:17]([OH:19])=O)=[O:14])=[CH:7][CH:6]=1)[CH:2]=[CH2:3].CN(C(ON1N=N[C:42]2[CH:43]=CC=N[C:41]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CC[N:58](C(C)C)C(C)C.C[CH2:66][O:67][C:68]([CH3:70])=[O:69]>CN(C=O)C>[CH3:66][O:67][C:68](=[O:69])[C@@H:70]([NH:58][C:17](=[O:19])[C@@H:16]([NH:15][C:13](=[O:14])[C@@H:12]([NH:24][C:25]([O:27][C:28]([CH3:30])([CH3:29])[CH3:31])=[O:26])[CH2:11][C:8]1[CH:9]=[CH:10][C:5]([O:4][CH2:1][CH:2]=[CH2:3])=[CH:6][CH:7]=1)[CH2:20][CH:21]([CH3:22])[CH3:23])[CH2:43][CH:42]=[CH2:41]
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참가 물질

6

반응물 4

HCID 8857Ethyl AcetateHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 66847292(S)-2-[(S)-3-(4-Allyloxy-phenyl)-2-tert-butoxycarbonylamino-propionylamino]-4-methyl-pentanoic acid

생성물 1

HCID 66847360
(S)-2-{(S)-2-[(S)-3-(4-Allyloxy-phenyl)-2-tert-butoxycarbonylamino-propionylamino]-4-methyl-pentanoylamino}-pent-4-enoic acid methyl ester

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

Carboxylic acid 2 (2.86 g, 6.58 mmol), HATU (2.75 g, 7.24 mmol) and (S)-allyl-glycine methyl ester hydrochloride (1.20 g, 7.24 mmol) were dissolved in DMF (30 mL). DIPEA was added (4.60 mL, 26.4 mmol) and the reaction mixture was stirred at rt for 18 h before being partitioned between EtOAc and 1M hydrochloric acid. The organic phase was washed sequentially with 1M hydrochloric acid and brine before being dried (MgSO4), filtered and concentrated in vacuo. Purification was achieved using flash chromatography, eluting with a gradient of 1/3 EtOAc/(50/70) petroleum ether to 2/1 EtOAc/(50/70) petroleum ether to yield a white solid, 1.40 g, 39%. Rf=0.70 (1/1 EtOAc/(50/70) petroleum ether).

후처리

  1. custombefore being partitioned between EtOAc and 1M hydrochloric acid
  2. washThe organic phase was washed sequentially with 1M hydrochloric acid and brine
  3. dry with materialbefore being dried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customPurification
  7. washeluting with a gradient of 1/3 EtOAc/(50/70) petroleum ether to 2/1 EtOAc/(50/70) petroleum ether
  8. customto yield a white solid, 1.40 g, 39%

출처 및 근거

ORD 기록
ord-48799ba313b74a369df11e8d32ae6883
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09434762B2

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