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(5R)-(9H-fluoren-9-yl)methyl 5-((benzyloxy)(tert-butoxycarbonyl)amino)-3-(((tert-butyldimethylsilyl)oxy)methyl)-2-carbamoyl-5,6-dihydropyridine-1(2H)-carboxylate → (5R)-(9H-fluoren-9-yl)methyl 5-((benzyloxy)amino)-3-(((tert-butyldimethylsilyl)oxy)methyl)-2-carbamoyl-5,6-dihydropyridine-1 (2H)-carboxylate

HRID 627185
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HRID 627185 반응식
[CH2:1]([O:8][N:9](C(OC(C)(C)C)=O)[C@H:10]1[CH2:15][N:14]([C:16]([O:18][CH2:19][CH:20]2[C:32]3[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=3[C:26]3[C:21]2=[CH:22][CH:23]=[CH:24][CH:25]=3)=[O:17])[CH:13]([C:33](=[O:35])[NH2:34])[C:12]([CH2:36][O:37][Si:38]([C:41]([CH3:44])([CH3:43])[CH3:42])([CH3:40])[CH3:39])=[CH:11]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1>C(Cl)Cl.[Br-].[Zn+2].[Br-]>[CH2:1]([O:8][NH:9][C@H:10]1[CH2:15][N:14]([C:16]([O:18][CH2:19][CH:20]2[C:21]3[CH:22]=[CH:23][CH:24]=[CH:25][C:26]=3[C:27]3[C:32]2=[CH:31][CH:30]=[CH:29][CH:28]=3)=[O:17])[CH:13]([C:33](=[O:35])[NH2:34])[C:12]([CH2:36][O:37][Si:38]([C:41]([CH3:44])([CH3:43])[CH3:42])([CH3:39])[CH3:40])=[CH:11]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 1

HCID 124012978(5R)-(9H-fluoren-9-yl)methyl 5-((benzyloxy)(tert-butoxycarbonyl)amino)-3-(((tert-butyldimethylsilyl)oxy)methyl)-2-carbamoyl-5,6-dihydropyridine-1(2H)-carboxylate2회

생성물 1

HCID 89851827(5R)-(9H-fluoren-9-yl)methyl 5-((benzyloxy)amino)-3-(((tert-butyldimethylsilyl)oxy)methyl)-2-carbamoyl-5,6-dihydropyridine-1 (2H)-carboxylate수율 95%

시약·촉매·용매 2

HCID 10421208Zinc bromide촉매
HCID 6344
Dichloromethane
용매
2회

실험 절차

To a solution of (5R)-(9H-fluoren-9-yl)methyl 5-((benzyloxy)(tert-butoxycarbonyl)amino)-3-(((tert-butyldimethylsilyl)oxy)methyl)-2-carbamoyl-5,6-dihydropyridine-1(2H)-carboxylate (Intermediate 161, 1.19 g, 1.67 mmol) in DCM (20 mL) at room temperature was added zinc bromide (1.502 g, 6.67 mmol). The reaction mixture was stirred at room temperature for 2 h. The reaction mixture was diluted with dichloromethane and washed with saturated sodium bicarbonate and. The aqueous wash was extracted three to four times more with DCM. The organics were washed with brine, dried over magnesium sulfate, filtered and concentrated to afford the title compound (0.970 g, 95%) as an off white foam.

후처리

  1. washwashed with saturated sodium bicarbonate
  2. washThe aqueous wash
  3. extractionwas extracted three to four times more with DCM
  4. washThe organics were washed with brine
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

출처 및 근거

ORD 기록
ord-c0c0a1736e004d25b82975e9604f567c
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09309245B2

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