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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Triphenylphosphine → Benzyl ((2R,3S)-2-((4-(((tert-butyldimethylsilyl)oxy)methyl)-2H-1,2,3-triazol-2-yl)methyl)-1-(2,4-dimethoxybenzyl)-4-oxoazetidin-3-yl)carbamate

HRID 708335
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HRID 708335 반응식
[CH3:1][O:2][C:3]1[CH:27]=[C:26]([O:28][CH3:29])[CH:25]=[CH:24][C:4]=1[CH2:5][N:6]1[C:9](=[O:10])[C@@H:8]([NH:11][C:12](=[O:21])[O:13][CH2:14][C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=2)[C@H:7]1[CH2:22]O.[Si:30]([O:37][CH2:38][C:39]1[N:40]=[N:41][NH:42][CH:43]=1)([C:33]([CH3:36])([CH3:35])[CH3:34])([CH3:32])[CH3:31].C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.CC(OC(/N=N/C(OC(C)C)=O)=O)C>C1COCC1>[Si:30]([O:37][CH2:38][C:39]1[CH:43]=[N:42][N:41]([CH2:22][C@@H:7]2[C@H:8]([NH:11][C:12](=[O:21])[O:13][CH2:14][C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=3)[C:9](=[O:10])[N:6]2[CH2:5][C:4]2[CH:24]=[CH:25][C:26]([O:28][CH3:29])=[CH:27][C:3]=2[O:2][CH3:1])[N:40]=1)([C:33]([CH3:36])([CH3:34])[CH3:35])([CH3:32])[CH3:31]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 11776TriphenylphosphineHCID 5363146Diisopropyl azodicarboxylateHCID 13470815benzyl ((2S,3S)-1-(2,4-dimethoxybenzyl)-2-(hydroxymethyl)-4-oxoazetidin-3-yl)carbamateHCID 178455171HCID 178455171, 화합물

생성물 1

HCID 131733717Benzyl ((2R,3S)-2-((4-(((tert-butyldimethylsilyl)oxy)methyl)-2H-1,2,3-triazol-2-yl)methyl)-1-(2,4-dimethoxybenzyl)-4-oxoazetidin-3-yl)carbamate
수율 89.7%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of benzyl ((2S,3S)-1-(2,4-dimethoxybenzyl)-2-(hydroxymethyl)-4-oxoazetidin-3-yl)carbamate (0.94 g, 2.34 mmol), 4-(((tert-butyldimethylsilyl)oxy)methyl)-1H-1,2,3-triazole (0.5 g, 2.34 mmol), and PPh3 (0.74 g, 2.81 mmol) in THF (20 mL) at 0° C. was added DIAD (0.57 g, 2.81 mmol) slowly. After stirring at rt for 16 h, the reaction mixture was concentrated in vacuo. The crude residue was purified via silica gel chromatography (EtOAc-hexanes, 20-30%) to afford the title compound (1.25 g, 89%) as a pale yellow solid. LCMS: m/z=594.3 (M−1).

후처리

  1. concentrationthe reaction mixture was concentrated in vacuo
  2. customThe crude residue was purified via silica gel chromatography (EtOAc-hexanes, 20-30%)

출처 및 근거

ORD 기록
ord-6cc3eebf377c40f08bb0c513daaaf481
출처 데이터셋
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09174978B2

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