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Difluoroacetic acid → (R)-1-(2-((7-chloropyrido[4,3-b]pyrazin-5-ylamino)methyl)morpholino)-2,2-difluoroethanone

HRID 57594
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HRID 57594 반응식
[Cl:1][C:2]1[N:11]=[C:10]([NH:12][CH2:13][C@H:14]2[O:19][CH2:18][CH2:17][N:16]([C:20]([O:22]C(C)(C)C)=O)[CH2:15]2)[C:9]2[C:4](=[N:5][CH:6]=[CH:7][N:8]=2)[CH:3]=1.[F:27][CH:28]([F:32])C(O)=O.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>Cl.C(OCC)(=O)C>[Cl:1][C:2]1[N:11]=[C:10]([NH:12][CH2:13][C@@H:14]2[CH2:15][N:16]([C:20](=[O:22])[CH:28]([F:32])[F:27])[CH2:17][CH2:18][O:19]2)[C:9]2[C:4](=[N:5][CH:6]=[CH:7][N:8]=2)[CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 9788Difluoroacetic acidHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 86706988(R)-tert-butyl 2-((7-chloropyrido[4,3-b]pyrazin-5-ylamino)methyl)morpholine-4-carboxylate

생성물 1

HCID 86717395
(R)-1-(2-((7-chloropyrido[4,3-b]pyrazin-5-ylamino)methyl)morpholino)-2,2-difluoroethanone
수율 73.4%

시약·촉매·용매 2

HCID 313Hydrochloric Acid용매HCID 8857Ethyl Acetate용매

실험 절차

The (R)-tert-butyl 2-((7-chloropyrido[4,3-b]pyrazin-5-ylamino)methyl)morpholine-4-carboxylate (3.00 g, 8.0 mmol) was dissolved in the solution of HCl in ethyl acetate (20 mL), and the mixture was stirred at room temperature for 2 hours until TLC indicated Boc group was removed. The volatile materials were removed in vacuo and the residues were dissolved in dichloromethane. To the solution, difluoroacetic acid (1.15 g, 12 mmol), HATU (7.60 g, 20.0 mmol) and DIPEA (6.20 g, 48.0 mmol) were added subsequently and stirred at room temperature overnight. The mixture was purified by C18 column chromatography to give the desired amide as yellow solid (2.1 g). MS (m/z): 358 (M+H)+

후처리

  1. customwas removed
  2. customThe volatile materials were removed in vacuo
  3. dissolutionthe residues were dissolved in dichloromethane
  4. stirringstirred at room temperature overnight
  5. customThe mixture was purified by C18 column chromatography

출처 및 근거

ORD 기록
ord-af6f85c86d074fb0b57f5217055f1022
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09434726B2

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