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Diisopropylethylamine → N-(2-(1-hydroxy-3,3-dimethyl-1,3-dihydrobenzo[c][1,2]oxaborol-6-yl)propan-2-yl)-2-methyl-4-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)benzamide

HRID 1037053
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HRID 1037053 반응식
[NH2:1][C:2]([C:5]1[CH:6]=[CH:7][C:8]2[C:12]([CH3:14])([CH3:13])[O:11][B:10]([OH:15])[C:9]=2[CH:16]=1)([CH3:4])[CH3:3].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.[CH3:50][C:51]1[CH:59]=[C:58]([C:60]2[CH2:64][C:63]([C:69]3[CH:74]=[C:73]([Cl:75])[C:72]([Cl:76])=[C:71]([Cl:77])[CH:70]=3)([C:65]([F:68])([F:67])[F:66])[O:62][N:61]=2)[CH:57]=[CH:56][C:52]=1[C:53](O)=[O:54]>C1COCC1.CC(=O)OCC>[OH:15][B:10]1[C:9]2[CH:16]=[C:5]([C:2]([NH:1][C:53](=[O:54])[C:52]3[CH:56]=[CH:57][C:58]([C:60]4[CH2:64][C:63]([C:69]5[CH:74]=[C:73]([Cl:75])[C:72]([Cl:76])=[C:71]([Cl:77])[CH:70]=5)([C:65]([F:68])([F:67])[F:66])[O:62][N:61]=4)=[CH:59][C:51]=3[CH3:50])([CH3:4])[CH3:3])[CH:6]=[CH:7][C:8]=2[C:12]([CH3:14])([CH3:13])[O:11]1
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참가 물질

7

반응물 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 866854502-Methyl-4-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)benzoic acidHCID 866854976-(2-aminopropan-2-yl)-3,3-dimethylbenzo[c][1,2]-oxaborol-1(3H)-ol

생성물 1

HCID 71576286
N-(2-(1-hydroxy-3,3-dimethyl-1,3-dihydrobenzo[c][1,2]oxaborol-6-yl)propan-2-yl)-2-methyl-4-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)benzamide
수율 41.3%

시약·촉매·용매 2

HCID 8028Tetrahydrofuran용매HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 6-(2-aminopropan-2-yl)-3,3-dimethylbenzo[c][1,2]-oxaborol-1(3H)-ol (100 mg), HATU (277 mg, 0.73 mmol) and DIPEA (0.2 mL, 1.1 mmol) in THF (5 mL) was added 2-methyl-4-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)benzoic acid (80 mg, 0.37 mmol). The reaction mixture was stirred at rt overnight. EA was added and the mixture was washed with brine, dried over Na2SO4, filtered and concentrated under reduced pressure. The residue was purified by prep-HPLC to give the final title compound N-(2-(1-hydroxy-3,3-dimethyl-1,3-dihydrobenzo[c][1,2]oxaborol-6-yl)propan-2-yl)-2-methyl-4-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)benzamide (100 mg; yield 38% over 3 steps) as a white solid. 1H NMR (400 MHz, DMSO-d6): δ 8.99 (s, 1H), 8.64 (s, 1H), 7.85 (s, 2H), 7.74 (s, 1H), 7.47-7.55 (m, 4H), 7.36 (d, J=8.4 Hz, 1H), 4.41 (d, J=18.4 Hz, 1H), 4.34 (d, J=18.4 Hz, 1H), 2.33 (s, 3H), 1.66 (s, 6H), 1.44 (s, 6H) ppm; HPLC purity: 99.29% at 220 nm and 99.63% at 254 nm; MS: m/z=653.8 (M+1, ESI+).

후처리

  1. washthe mixture was washed with brine
  2. dry with materialdried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by prep-HPLC

출처 및 근거

ORD 기록
ord-0f98f6a1ae2e4a729cd613c0185d25de
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08546357B2

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