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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (2S,5R)-tert-butyl 5-(N-(benzyloxy)-2-nitrophenylsulfonamido)-2-carbamoyl-piperidine-1-carboxylate

HRID 870870
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HRID 870870 반응식
[CH2:1]([O:8][N:9]([C@H:22]1[CH2:27][N:26]([C:28]([O:30][C:31]([CH3:34])([CH3:33])[CH3:32])=[O:29])[C@H:25]([C:35](O)=[O:36])[CH2:24][CH2:23]1)[S:10]([C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=1[N+:19]([O-:21])=[O:20])(=[O:12])=[O:11])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CC[N:40]=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1.[NH4+].[Cl-].CCN(C(C)C)C(C)C>CN(C=O)C.CCOC(C)=O>[CH2:1]([O:8][N:9]([C@H:22]1[CH2:27][N:26]([C:28]([O:30][C:31]([CH3:32])([CH3:33])[CH3:34])=[O:29])[C@H:25]([C:35](=[O:36])[NH2:40])[CH2:24][CH2:23]1)[S:10]([C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=1[N+:19]([O-:21])=[O:20])(=[O:12])=[O:11])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 5

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 25517Ammonium ChlorideHCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 86700669(2S,5R)-5-(N-(benzyloxy)-2-nitrophenylsulfonamido)-1-(tert-butoxycarbonyl) piperidine-2-carboxylic acid

생성물 1

HCID 86700668
(2S,5R)-tert-butyl 5-(N-(benzyloxy)-2-nitrophenylsulfonamido)-2-carbamoyl-piperidine-1-carboxylate
수율 86.5%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

A mixture of (2S,5R)-5-(N-(benzyloxy)-2-nitrophenylsulfonamido)-1-(tert-butoxycarbonyl)piperidine-2-carboxylic acid (8.56 g, 16 mmol), EDCI (3.2 g, 16 mmol), HOBt (2.2 g, 16 mmol), NH4Cl (1.7 g, 32 mmol), and DIPEA (4.0 g, 32 mmol) in dry DMF (40 mL) was stirred at it overnight. The mixture was diluted with EtOAc (300 mL), and washed with water (3×). The organic layer was dried over Na2SO4 and concentrated to give (2S,5R)-tert-butyl 5-(N-(benzyloxy)-2-nitrophenylsulfonamido)-2-carbamoyl-piperidine-1-carboxylate as yellow solid (7.4 g, 86%). ESI-MS (EI+, m/z): 557 [M+Na]+.

후처리

  1. washwashed with water (3×)
  2. dry with materialThe organic layer was dried over Na2SO4
  3. concentrationconcentrated

출처 및 근거

ORD 기록
ord-eea70652c26149b1b81d66ac2aff6c9b
출처 데이터셋
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08969570B2

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