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Methyl 3-Hydroxy-2-[(4-methoxybenzenesulfonyl)-(5-methyl-2-nitrobenzyl)amino]propionate → Methyl 3-Hydroxy-2-[(4-methoxybenzenesulfonyl)-(2-amino-5-methylbenzyl)amino]propionate

HRID 1264598
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인쇄 미리보기

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HRID 1264598 반응식
[OH:1][CH2:2][CH:3]([N:8]([S:20]([C:23]1[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][CH:24]=1)(=[O:22])=[O:21])[CH2:9][C:10]1[CH:15]=[C:14]([CH3:16])[CH:13]=[CH:12][C:11]=1[N+:17]([O-])=O)[C:4]([O:6][CH3:7])=[O:5].[H][H]>C(O)C.C(OCC)(=O)C.[Pd]>[OH:1][CH2:2][CH:3]([N:8]([S:20]([C:23]1[CH:24]=[CH:25][C:26]([O:29][CH3:30])=[CH:27][CH:28]=1)(=[O:22])=[O:21])[CH2:9][C:10]1[CH:15]=[C:14]([CH3:16])[CH:13]=[CH:12][C:11]=1[NH2:17])[C:4]([O:6][CH3:7])=[O:5]
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참가 물질

5

반응물 2

HCID 18612748Methyl 3-Hydroxy-2-[(4-methoxybenzenesulfonyl)-(5-methyl-2-nitrobenzyl)amino]propionateHCID 178418361HCID 178418361, 화합물

생성물 1

HCID 18612905Methyl 3-Hydroxy-2-[(4-methoxybenzenesulfonyl)-(2-amino-5-methylbenzyl)amino]propionate수율 90.3%

시약·촉매·용매 2

HCID 23938Palladium촉매HCID 21584252Ethanol ethylacetate
용매

실험 절차

To a solution of 3.4 g of methyl 3-hydroxy-2-[(4-methoxybenzenesulfonyl)-(5-methyl-2-nitrobenzyl)-amino]propionate in 200 ml of ethanol-ethyl acetate (1:1) was added 0.34 g of 10% palladium on carbon (wet −50% H2O). The mixture was then shaken in a Parr hydrogenator under 35 psi of hydrogen for 2.5 hours. The mixture was filtered through diatomaceous earth and the filtrate concentrated under vacuum to give 2.86 g of a brown oil. Anal. for C19H24N2O6S: Calc'd: C, 55.9; H, 5.9; N, 6.9; Found: C, 55.6; H, 5.9; N, 6.4.

후처리

  1. filtrationThe mixture was filtered through diatomaceous earth
  2. concentrationthe filtrate concentrated under vacuum

출처 및 근거

ORD 기록
ord-f2ca3ef2598c4f4cbeee1ff98923f71e
출처 데이터셋
uspto-grants-2003_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06544984B1

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