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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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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1037053
[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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Komponenten

7

Edukt 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

Produkt 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
Ausbeute 41,3 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 8028TetrahydrofuranLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

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+).

Aufarbeitung

  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

Quellen und Nachweise

ORD-Eintrag
ord-0f98f6a1ae2e4a729cd613c0185d25de
Quelldatensatz
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08546357B2

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