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N-methyl-2-pyrrolidone → N-((4S,6S)-4-(5-((6-chlorobenzo[d]oxazol-2-yl)amino)-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-yl)benzamide

HRID 930291
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HRID 930291 반응식
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([F:29])=[C:6]([C@:8]2([CH2:27]F)[CH2:13][C@@H:12]([C:14]([F:17])([F:16])[F:15])[O:11][C:10]([NH:18][C:19](=[O:26])[C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)=[N:9]2)[CH:7]=1.Cl[C:31]1[O:32][C:33]2[CH:39]=[C:38]([Cl:40])[CH:37]=[CH:36][C:34]=2[N:35]=1.NC1C=CC(F)=C([C@]2(C)C[C@@H](C(F)(F)F)OC(NC(=O)C3C=CC=CC=3)=N2)C=1.CN1C(=O)CCC1>O.CCOC(C)=O>[Cl:40][C:38]1[CH:37]=[CH:36][C:34]2[N:35]=[C:31]([NH:1][C:2]3[CH:3]=[CH:4][C:5]([F:29])=[C:6]([C@:8]4([CH3:27])[CH2:13][C@@H:12]([C:14]([F:16])([F:15])[F:17])[O:11][C:10]([NH:18][C:19](=[O:26])[C:20]5[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=5)=[N:9]4)[CH:7]=3)[O:32][C:33]=2[CH:39]=1
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7

반응물 4

HCID 13387N-methyl-2-pyrrolidoneHCID 771752,6-DichlorobenzoxazoleHCID 86732108N-((4S,6S)-4-(5-amino-2-fluorophenyl)-4-(fluoromethyl)-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-yl)benzamideHCID 86732123N-((4S,6S)-4-(5-amino-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-yl)benzamide

생성물 1

HCID 86732122
N-((4S,6S)-4-(5-((6-chlorobenzo[d]oxazol-2-yl)amino)-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-yl)benzamide
수율 72.3%

시약·촉매·용매 2

HCID 962Water용매HCID 8857Ethyl Acetate용매

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온도
120 °C

실험 절차

A mixture of N-((4S,6S)-4-(5-amino-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-yl)benzamide (0.200 g, 0.506 mmol, prepared as described in Example 1 Step 9 but using N-((4S,6S)-4-(5-bromo-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-yl)benzamide 4g), 2,6-dichlorobenzoxazole (0.133 g, 0.708 mmol), potassium carbonate (4l, 0.126 g, 0.911 mmol) and NMP (2 mL) was stirred at 120° C. for 4.5 h, the mixture was diluted with water and EtOAc. The organic layer was washed with water and brine, dried over Na2SO4 and concentrated in vacuo. The crude was purified by silica gel chromatography: 40 g, 0-30% DCM-hexane in 15 min. The product was obtained as a white solid (0.200 g). MS m/z=547 [M+H]+. Calculated for C26H19ClF4N4O3: 546.9.

후처리

  1. washThe organic layer was washed with water and brine
  2. dry with materialdried over Na2SO4
  3. concentrationconcentrated in vacuo
  4. customThe crude was purified by silica gel chromatography
  5. wait40 g, 0-30% DCM-hexane in 15 min

출처 및 근거

ORD 기록
ord-5fa83e07457a48e58406894270011b2c
출처 데이터셋
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09296734B2

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