Diisopropylethylamine → (1S,3S,4R)-tert-butyl 3-(1-amino-6-bromonaphthalen-2-ylcarbamoyl)-2-azabicyclo[2.2.1]heptane-2-carboxylate

HRID 1751613노트

반응식

HRID 1751613 반응식
[Br:1][C:2]1[CH:11]=[CH:10][C:9]2[C:4](=[CH:5][CH:6]=[C:7]([NH2:13])[C:8]=2[NH2:12])[CH:3]=1.[C:14]([O:18][C:19]([N:21]1[C@H:26]([C:27](O)=[O:28])[C@H:25]2[CH2:30][C@@H:22]1[CH2:23][CH2:24]2)=[O:20])([CH3:17])([CH3:16])[CH3:15].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>C(Cl)Cl>[NH2:12][C:8]1[C:9]2[C:4](=[CH:3][C:2]([Br:1])=[CH:11][CH:10]=2)[CH:5]=[CH:6][C:7]=1[NH:13][C:27]([C@@H:26]1[C@H:25]2[CH2:30][C@H:22]([CH2:23][CH2:24]2)[N:21]1[C:19]([O:18][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:20])=[O:28]

참가 물질

6

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 220970716-Bromonaphthalene-1,2-diamineHCID 69134534rac-(1R,3R,4S)-2-[(tert-butoxy)carbonyl]-2-azabicyclo[2.2.1]heptane-3-carboxylic acid

생성물 1

HCID 86708790(1S,3S,4R)-tert-butyl 3-(1-amino-6-bromonaphthalen-2-ylcarbamoyl)-2-azabicyclo[2.2.1]heptane-2-carboxylate수율 95.7%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of 6-bromonaphthalene-1,2-diamine (1.08 g, 4.56 mmol), and (1S,3S,4R)-2-(tert-butoxycarbonyl)-2-azabicyclo[2.2.1]heptane-3-carboxylic acid (1.10 g, 4.56 mmol) and HATU (2.08 g, 5.47 mmol) in methylene chloride (45 mL) was added DIPEA (3.98 mL, 22.79 mmol). The mixture was stirred at room temperature for two hours. Upon completion, the reaction was concentrated in vacuo, diluted with ethyl acetate and washed with water. The aqueous layer was back extracted with ethyl acetate twice. The combined organic layers were washed with brine, concentrated, and purified by normal phase chromatography (30-80% ethyl acetate (5% MeOH) in hexanes) to give (1S,3S,4R)-tert-butyl 3-(1-amino-6-bromonaphthalen-2-ylcarbamoyl)-2-azabicyclo[2.2.1]heptane-2-carboxylate (2.01 g, 95%). LCMS-ESI+: calc'd for C22H26BrN3O3: 459.12 (M+); Found: 460.9 (M+H+).

후처리

  1. concentrationUpon completion, the reaction was concentrated in vacuo
  2. additiondiluted with ethyl acetate
  3. washwashed with water
  4. extractionThe aqueous layer was back extracted with ethyl acetate twice
  5. washThe combined organic layers were washed with brine
  6. concentrationconcentrated
  7. custompurified by normal phase chromatography (30-80% ethyl acetate (5% MeOH) in hexanes)

출처 및 근거

ORD 기록
ord-7fd4bacfec5141c3a8a34c869445b631
출처 데이터셋
uspto-grants-2015_10
특허 번호
US09156823B2

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