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Potassium Phosphate, Tribasic → 3-fluoro-4-(3-(5-fluoro-1,3-dioxo-1H-pyrido [1,2-c]pyrimidin-2(3H)-yl)-2-methylphenyl)-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide

HRID 523301
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HRID 523301 반응식
Br[C:2]1[C:14]2[C:13]3[C:8](=[CH:9][C:10]([C:15]([OH:18])([CH3:17])[CH3:16])=[CH:11][CH:12]=3)[NH:7][C:6]=2[C:5]([C:19]([NH2:21])=[O:20])=[CH:4][C:3]=1[F:22].[F:23][C:24]1[C:33]2[N:28]([C:29](=[O:51])[N:30]([C:35]3[CH:40]=[CH:39][CH:38]=[C:37](B4OC(C)(C)C(C)(C)O4)[C:36]=3[CH3:50])[C:31](=[O:34])[CH:32]=2)[CH:27]=[CH:26][CH:25]=1.[O-]P([O-])([O-])=O.[K+].[K+].[K+]>[Pd](Cl)Cl.C(P(C(C)(C)C)[C-]1C=CC=C1)(C)(C)C.[C-]1(P(C(C)(C)C)C(C)(C)C)C=CC=C1.[Fe+2].C1COCC1>[F:22][C:3]1[CH:4]=[C:5]([C:19]([NH2:21])=[O:20])[C:6]2[NH:7][C:8]3[C:13]([C:14]=2[C:2]=1[C:37]1[CH:38]=[CH:39][CH:40]=[C:35]([N:30]2[C:31](=[O:34])[CH:32]=[C:33]4[C:24]([F:23])=[CH:25][CH:26]=[CH:27][N:28]4[C:29]2=[O:51])[C:36]=1[CH3:50])=[CH:12][CH:11]=[C:10]([C:15]([OH:18])([CH3:17])[CH3:16])[CH:9]=3
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반응물 3

HCID 62657Potassium Phosphate, TribasicHCID 1177610104-bromo-3-fluoro-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide2회HCID 1237135155-Fluoro-2-(2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-pyrido[1,2-c]pyrimidine-1,3(2H)-dione (single enantiomers)2회

생성물 1

HCID 865824883-fluoro-4-(3-(5-fluoro-1,3-dioxo-1H-pyrido [1,2-c]pyrimidin-2(3H)-yl)-2-methylphenyl)-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide
수율 94%

시약·촉매·용매 2

HCID 178454861HCID 178454861, 화합물촉매HCID 8028Tetrahydrofuran용매

실험 절차

A mixture of 4-bromo-3-fluoro-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide [Intermediate 27] (6.00 g, 16.4 mmol), 5-fluoro-2-(2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-pyrido[1,2-c]pyrimidine-1,3(2H)-dione (single enantiomer) [Intermediate 38] (7.81 g, 19.7 mmol), 2 M aqueous K3PO4 (24.6 mL, 49.3 mmol), and THF (70 mL) was subjected to three evacuate-fill cycles with nitrogen. The mixture was treated with 1,1′-bis(di-tert-butylphosphino)ferrocene palladium(II) chloride (0.535 g, 0.821 mmol), and subjected to two more evacuate-fill cycles with nitrogen. The mixture was stirred at room temperature overnight. The mixture was diluted with EtOAc, washed sequentially with water and brine, and dried. The aqueous layer was filtered and the collected solid was added to the organic layer. The organic layer was concentrated, and the residue was purified by column chromatography on silica gel, eluting with EtOAc-hexanes (sequentially 50%, 62%, 75%, 85% and 100%), to provide 3-fluoro-4-(3-(5-fluoro-1,3-dioxo-1H-pyrido[1,2-c]pyrimidin-2(3H)-yl)-2-methylphenyl)-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide (mixture of two atropisomers) as a yellow solid (8.55 g, 94% yield). A sample of this material (combined with other batches of the same material) was separated by chiral super-critical fluid chromatography as follows: column. CHIRALPAK® IC (3×25 cm, 5 μm); Mobile Phase: CO2-MeOH (50:50) at 165 mL/min, 45° C., 100 bar; sample preparation: 55 mg/mL in MeOH-THF-DMSO (2:1:1); injection: 3 mL. The first peak eluting from the column provided a single atropisomer of 3-fluoro-4-(R)-(3-(5-fluoro-1,3-dioxo-1H-pyrido[1,2-c]pyrimidin-2(3H)-yl)-2-methylphenyl)-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide [Example 41].

후처리

  1. customevacuate-fill cycles with nitrogen
  2. custommore evacuate-fill cycles with nitrogen
  3. additionThe mixture was diluted with EtOAc
  4. washwashed sequentially with water and brine
  5. customdried
  6. filtrationThe aqueous layer was filtered
  7. additionthe collected solid was added to the organic layer
  8. concentrationThe organic layer was concentrated
  9. customthe residue was purified by column chromatography on silica gel
  10. washeluting with EtOAc-hexanes (sequentially 50%, 62%, 75%, 85% and 100%),

출처 및 근거

ORD 기록
ord-a08480ec76ac4326b2e82111a8891dea
출처 데이터셋
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09334290B2

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