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2,2-Dimethoxypropane → tert-butyl (4S,5S)-4-benzyl-5-[2-{[(benzyloxy)carbonyl]amino}-3-(4-bromophenyl)propyl]-2,2-dimethyl-1,3-oxazolidine-3-carboxylate

HRID 1174332
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HRID 1174332 반응식
[Br:1][C:2]1[CH:39]=[CH:38][C:5]([CH2:6][CH:7]([NH:27][C:28](=[O:37])[O:29][CH2:30][C:31]2[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=2)[CH2:8][C@H:9]([OH:26])[C@@H:10]([NH:18][C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH2:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)=[CH:4][CH:3]=1.C(N(CC)CC)C.CO[C:49](OC)([CH3:51])[CH3:50]>O.C1(C)C=CC(S(O)(=O)=O)=CC=1>[CH2:11]([C@H:10]1[C@H:9]([CH2:8][CH:7]([NH:27][C:28]([O:29][CH2:30][C:31]2[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=2)=[O:37])[CH2:6][C:5]2[CH:38]=[CH:39][C:2]([Br:1])=[CH:3][CH:4]=2)[O:26][C:49]([CH3:51])([CH3:50])[N:18]1[C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1
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참가 물질

5

반응물 3

HCID 64952,2-DimethoxypropaneHCID 8471TriethylamineHCID 86726232benzyl(3S,4S)-1-(4-bromobenzyl)-4-[(tert-butoxycarbonyl)amino]-3-hydroxy-5-phenylpentylcarbamate

생성물 1

HCID 67406532tert-butyl (4S,5S)-4-benzyl-5-[2-{[(benzyloxy)carbonyl]amino}-3-(4-bromophenyl)propyl]-2,2-dimethyl-1,3-oxazolidine-3-carboxylate수율 54%

시약·촉매·용매 1

HCID 521998
p-Toluenesulfonic acid monohydrate
촉매

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온도
25 °C

실험 절차

A solution containing the product from Example 128A (3.37 mmol) in 2,2-dimethoxypropane (35 mL) was treated with p-toluenesulfonic acid monohydrate (0.032 g, 0.17 mmol), stirred at 25° C. for 1 hour, treated with triethylamine (0.14 mL, 1.0 mmol), and the reaction was partitioned between ethyl acetate and water. The organic phase was washed with brine, dried over MgSO4, filtered and concentrated to give the product (1.16 g, 54% yield), which was used without further purification.

후처리

  1. customthe reaction was partitioned between ethyl acetate and water
  2. washThe organic phase was washed with brine
  3. dry with materialdried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-cc6aac34cc2449429195b8f3eec3a41f
출처 데이터셋
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07834043B2

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