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Diisopropylethylamine → (2S,3R)-benzyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-hydroxypropanamido)-3-hydroxy-3-(4-methoxyphenyl)propanoate

HRID 58809
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HRID 58809 반응식
CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.[NH2:34][C@@H:35]([C@H:46]([OH:55])[C:47]1[CH:52]=[CH:51][C:50]([O:53][CH3:54])=[CH:49][CH:48]=1)[C:36]([O:38][CH2:39][C:40]1[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=1)=[O:37].[NH:56]([C:63]([O:65][C:66]([CH3:69])([CH3:68])[CH3:67])=[O:64])[C@H:57]([C:60](O)=[O:61])[CH2:58][OH:59]>CN(C=O)C>[C:66]([O:65][C:63]([NH:56][C@@H:57]([CH2:60][OH:61])[C:58]([NH:34][C@@H:35]([C@H:46]([OH:55])[C:47]1[CH:52]=[CH:51][C:50]([O:53][CH3:54])=[CH:49][CH:48]=1)[C:36]([O:38][CH2:39][C:40]1[CH:41]=[CH:42][CH:43]=[CH:44][CH:45]=1)=[O:37])=[O:59])=[O:64])([CH3:69])([CH3:68])[CH3:67]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 98766N-[tert-butoxycarbonyl]-L-serineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 117607803(2S,3R)-benzyl 2-amino-3-hydroxy-3-(4-methoxyphenyl)propanoate

생성물 1

HCID 131737019
(2S,3R)-benzyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-hydroxypropanamido)-3-hydroxy-3-(4-methoxyphenyl)propanoate
수율 93.8%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

Sequentially HATU (645 mg, 1.70 mmol) and DIEA (0.99 mL, 5.7 mmol) were added to a 0° C. solution of (2S,3R)-benzyl 2-amino-3-hydroxy-3-(4-methoxyphenyl)propanoate (HCl salt, 477 mg, 1.41 mmol) and Boc-Ser-OH (290 mg, 1.41 mmol) in DMF (8 mL). The reaction mixture was allowed to warm to ambient temperature and stirred for 30 min. The mixture was concentrated and the residue was purified by flash column chromatography on silica gel (petroleum ether/EtOAc=2:1) twice to afford (2S,3R)-benzyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-hydroxypropanamido)-3-hydroxy-3-(4-methoxyphenyl)propanoate (646 mg, 93% yield) as a colorless solid.

후처리

  1. concentrationThe mixture was concentrated
  2. customthe residue was purified by flash column chromatography on silica gel (petroleum ether/EtOAc=2:1) twice

출처 및 근거

ORD 기록
ord-514e7be395af4c72920394a73b5673db
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09434761B2

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