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2,5-Dimethylpiperazine → N-(7-(2,5-dimethylpiperazin-1-yl)pyrazolo[1,5-a]pyrimidin-5-yl)-4-(2-hydroxypropan-2-yl)benzamide

HRID 1256324
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HRID 1256324 반응식
Cl[C:2]1[N:7]2[N:8]=[CH:9][CH:10]=[C:6]2[N:5]=[C:4]([NH:11][C:12](=[O:23])[C:13]2[CH:18]=[CH:17][C:16]([C:19]([OH:22])([CH3:21])[CH3:20])=[CH:15][CH:14]=2)[CH:3]=1.[CH3:24][CH:25]1[CH2:30][NH:29][CH:28]([CH3:31])[CH2:27][NH:26]1>CN1C(=O)CCC1.CS(C)=O.CO>[CH3:24][CH:25]1[CH2:30][NH:29][CH:28]([CH3:31])[CH2:27][N:26]1[C:2]1[N:7]2[N:8]=[CH:9][CH:10]=[C:6]2[N:5]=[C:4]([NH:11][C:12](=[O:23])[C:13]2[CH:18]=[CH:17][C:16]([C:19]([OH:22])([CH3:21])[CH3:20])=[CH:15][CH:14]=2)[CH:3]=1
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참가 물질

6

반응물 2

HCID 78162,5-DimethylpiperazineHCID 86652272N-(7-chloropyrazolo[1,5-a]pyrimidin-5-yl)-4-(2-hydroxypropan-2-yl)benzamide

생성물 1

HCID 67064565N-(7-(2,5-dimethylpiperazin-1-yl)pyrazolo[1,5-a]pyrimidin-5-yl)-4-(2-hydroxypropan-2-yl)benzamide수율 66.5%

시약·촉매·용매 3

HCID 679Dimethyl Sulfoxide촉매HCID 887Methanol용매
HCID 13387N-methyl-2-pyrrolidone용매

실험 절차

A solution of N-(7-chloropyrazolo[1,5-a]pyrimidin-5-yl)-4-(2-hydroxypropan-2-yl)benzamide (2D, 50 mg, 0.151 mmol) and 2,5-dimethylpiperazine (34 mg, 0.302 mmol) in NMP (0.950 mL) was stirred at 85° C. overnight. After cooling to room temperature, the mixture was diluted with a few drops of DMSO and methanol, and was then purified by preparatory HPLC, 15-40% (MeCN/H2O gradient+0.01% TFA). Lyophilization of the combined fractions gave the titled compound as a white solid (41 mg, 66%). 1H NMR (400 MHz, DMSO-d6) δ ppm 1.30 (d, J=6.57 Hz, 3 H) 1.36 (d, J=6.82 Hz, 3 H) 1.46 (s, 6 H) 3.17 (d, J=5.81 Hz, 1 H) 3.60 (dd, J=13.14, 5.31 Hz, 2 H) 3.73 (br. s., 1 H) 3.93 (dd, J=13.14, 2.78 Hz, 1 H) 4.62 (d, J=4.55 Hz, 1 H) 6.44 (d, J=2.27 Hz, 1 H) 7.51 (s, 1 H) 7.61 (d, J=8.59 Hz, 2 H) 8.00 (d, J=8.34 Hz, 2 H) 8.13 (d, J=2.27 Hz, 1 H) 8.94 (br. s., 1 H) 9.04 (br. s., 1 H) 11.04 (s, 1 H). ESI-MS: m/z 409.3 (M+H)+.

후처리

  1. customwas then purified by preparatory HPLC, 15-40% (MeCN/H2O gradient+0.01% TFA)

출처 및 근거

ORD 기록
ord-e2c8c2b728054ee286aeb30b35b2460f
출처 데이터셋
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08461163B2

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