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1-Hydroxybenzotriazole → [4-(Pyrrolidin-1-yl)piperidin-1-yl][4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methanone

HRID 80548
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HRID 80548 반응식
[CH3:1][C:2]1([CH3:18])[C:6]([CH3:8])([CH3:7])[O:5][B:4]([C:9]2[CH:17]=[CH:16][C:12]([C:13]([OH:15])=O)=[CH:11][CH:10]=2)[O:3]1.[N:19]1([CH:24]2[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]2)[CH2:23][CH2:22][CH2:21][CH2:20]1.ON1C2C=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC>CN(C=O)C>[N:19]1([CH:24]2[CH2:29][CH2:28][N:27]([C:13]([C:12]3[CH:11]=[CH:10][C:9]([B:4]4[O:5][C:6]([CH3:7])([CH3:8])[C:2]([CH3:1])([CH3:18])[O:3]4)=[CH:17][CH:16]=3)=[O:15])[CH2:26][CH2:25]2)[CH2:23][CH2:22][CH2:21][CH2:20]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 757711-HydroxybenzotriazoleHCID 787034-(1-Pyrrolidinyl)piperidineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27346214-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid

생성물 1

HCID 57886103[4-(Pyrrolidin-1-yl)piperidin-1-yl][4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methanone수율 42%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

A solution of 4-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)benzoic acid (9.80 mmol, 2.43 g), 4-(1-pyrrolidinyl)piperidine (10.77 mol, 1.66 g), 1-hydroxybenzotriazole (16.67 mmol, 2.25 g), and N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (19.57 mmol, 3.75 g) in DMF (30 mL) was stirred overnight at 60° C. Upon removal of DMF on rotavap, the residue was taken into mixture of EtOAc and H2O. The combined organic layers from extraction were stirred with aq. 2N HCl for 20 min and the aqueous layer was purified by reverse phase prep-HPLC to furnish the desired boronic acid (1.24 g. 42%).

후처리

  1. customUpon removal of DMF on rotavap
  2. additionthe residue was taken into mixture of EtOAc and H2O
  3. extractionThe combined organic layers from extraction
  4. customthe aqueous layer was purified by reverse phase prep-HPLC

출처 및 근거

ORD 기록
ord-2b9a53560a5e4de0a9233069280129c6
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08846664B2

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