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Triethylamine → tert-Butyl 3-(4-((4-((2-(1-(methoxycarbonyl)cyclopropyl)phenyl)ethynyl)-5-(trifluoromethyl)pyrimidin-2-yl)amino)phenyl)azetidine-1-carboxylate

HRID 592368
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HRID 592368 반응식
Cl[C:2]1[C:7]([C:8]([F:11])([F:10])[F:9])=[CH:6][N:5]=[C:4]([NH:12][C:13]2[CH:18]=[CH:17][C:16]([CH:19]3[CH2:22][N:21]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:20]3)=[CH:15][CH:14]=2)[N:3]=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[C:49]([C:51]1[CH:56]=[CH:55][CH:54]=[CH:53][C:52]=1[C:57]1([C:60]([O:62][CH3:63])=[O:61])[CH2:59][CH2:58]1)#[CH:50].CCN(CC)CC>CN(C=O)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[Cu]I>[CH3:63][O:62][C:60]([C:57]1([C:52]2[CH:53]=[CH:54][CH:55]=[CH:56][C:51]=2[C:49]#[C:50][C:2]2[C:7]([C:8]([F:11])([F:10])[F:9])=[CH:6][N:5]=[C:4]([NH:12][C:13]3[CH:18]=[CH:17][C:16]([CH:19]4[CH2:22][N:21]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:20]4)=[CH:15][CH:14]=3)[N:3]=2)[CH2:59][CH2:58]1)=[O:61]
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8

반응물 4

HCID 8471TriethylamineHCID 11776TriphenylphosphineHCID 86712270Methyl 1-(2-ethynylphenyl)cyclopropanecarboxylateHCID 86712272tert-Butyl 3-(4-((4-chloro-5-(trifluoromethyl)pyrimidin-2-yl)amino)phenyl)azetidine-1-carboxylate

생성물 1

HCID 86712288tert-Butyl 3-(4-((4-((2-(1-(methoxycarbonyl)cyclopropyl)phenyl)ethynyl)-5-(trifluoromethyl)pyrimidin-2-yl)amino)phenyl)azetidine-1-carboxylate
수율 100%

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매HCID 178418476HCID 178418476, 화합물촉매HCID 6228Dimethylformamide용매

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온도
120 °C

실험 절차

A solution of tert-butyl 3-(4-((4-chloro-5-(trifluoromethyl)pyrimidin-2-yl)amino)phenyl)azetidine-1-carboxylate (K4) (260 mg, 0.606 mmol), PdCl2(PPh3)2 (21 mg, 0.030 mmol), PPh3 (16 mg, 0.061 mmol), CuI (12 mg, 0.061 mmol) and methyl 1-(2-ethynylphenyl)cyclopropanecarboxylate (K2) (146 mg, 0.728 mmol) in DMF (3.0 mL) was degassed with nitrogen for 10 minutes. Et3N (1.0 mL) was added and the resulting mixture heated under microwave irradiation at 120° C. for 20 minutes. The resulting mixture was adsorbed onto silica and purified by silica gel column chromatography (Biotage Isolera, 40 g SiO2 cartridge, 0-25% EtOAc in petroleum benzine 40-60° C.) to give the title compound A7 as an orange oil (359 mg, >95%); 1H NMR (400 MHz, d6-DMSO) δ 10.45 (s, 1H), 8.82 (s, 1H), 7.75 (d, J=8.4 Hz, 2H), 7.61 (dd, J=7.5, 1.0 Hz, 1H), 7.55-7.38 (m, 3H), 7.32 (d, J=8.6 Hz, 2H), 4.32-4.17 (m, 2H), 3.89-3.74 (m, 3H), 3.52 (s, 3H), 1.64 (q, J=4.0 Hz, 2H), 1.40 (s, 9H), 1.29 (q, J=4.2 Hz, 2H). LCMS-A: rt 6.550 min; m/z 593 [M+H]+.

후처리

  1. custompurified by silica gel column chromatography (Biotage Isolera, 40 g SiO2 cartridge, 0-25% EtOAc in petroleum benzine 40-60° C.)

출처 및 근거

ORD 기록
ord-9694133a21bc41bb81717e49325cd2df
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09238644B2

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