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Triphenylphosphine → Diethyl 1-{3-[(tert-butoxycarbonyl)amino]-2,2-dimethylpropyl}-1H-pyrrolo[2,3-b]pyridine-2,6-dicarboxylate

HRID 1521703
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HRID 1521703 반응식
O[CH2:2][C:3]([CH3:14])([CH3:13])[CH2:4][NH:5][C:6](=[O:12])[O:7][C:8]([CH3:11])([CH3:10])[CH3:9].[NH:15]1[C:19]2=[N:20][C:21]([C:24]([O:26][CH2:27][CH3:28])=[O:25])=[CH:22][CH:23]=[C:18]2[CH:17]=[C:16]1[C:29]([O:31][CH2:32][CH3:33])=[O:30].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OC(C)C)=O)=NC(OC(C)C)=O>C1COCC1>[C:8]([O:7][C:6]([NH:5][CH2:4][C:3]([CH3:14])([CH3:13])[CH2:2][N:15]1[C:19]2=[N:20][C:21]([C:24]([O:26][CH2:27][CH3:28])=[O:25])=[CH:22][CH:23]=[C:18]2[CH:17]=[C:16]1[C:29]([O:31][CH2:32][CH3:33])=[O:30])=[O:12])([CH3:11])([CH3:10])[CH3:9]
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참가 물질

6

반응물 4

HCID 11776TriphenylphosphineHCID 75555Diisopropyl diazene-1,2-dicarboxylateHCID 21263232tert-butyl N-(3-hydroxy-2,2-dimethylpropyl)carbamateHCID 67236396Diethyl 1H-pyrrolo[2,3-B]pyridine-2,6-dicarboxylate2회

생성물 1

HCID 67238212Diethyl 1-{3-[(tert-butoxycarbonyl)amino]-2,2-dimethylpropyl}-1H-pyrrolo[2,3-b]pyridine-2,6-dicarboxylate

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of tert-butyl (3-hydroxy-2,2-dimethylpropyl)carbamate (2.13 g, 10.5 mmol), diethyl 1H-pyrrolo[2,3-b]pyridine-2,6-dicarboxylate (Intermediate D, 2.50 g, 9.53 mmol), and triphenylphosphine (5.00 g, 19.1 mmol) in THF (15 mL) is added diisopropyl azodicarboxylate (3.95 mL, 19.1 mmol). The reaction is stirred at room temperature for 64 h. The solvent is removed in vacuo and the crude material is purified via silica gel chromatography using a gradient elution of 0-30% ethyl acetate/hexanes to afford the title compound as a yellow oil which crystallized upon standing (4.20 g, 99%). LCMS: 478.86 (M+Na+).

후처리

  1. customThe solvent is removed in vacuo
  2. customthe crude material is purified via silica gel chromatography
  3. washa gradient elution of 0-30% ethyl acetate/hexanes

출처 및 근거

ORD 기록
ord-14ae0bcfb645472e936ec00d7aa7470c
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09073926B2

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