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Tetrabutylammonium Fluoride → (2R,5R)-5-hydroxymethyl-2-{2-[2-((S)-2-methoxycarbonylamino-3,3-diphenyl-propionylamino)-phenyl]-ethyl}-morpholine-4-carboxylic acid tert-butyl ester

HRID 629699
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HRID 629699 반응식
[Si]([O:8][CH2:9][C@H:10]1[N:15]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:14][C@@H:13]([CH2:23][CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][C:26]=2[NH:31][C:32](=[O:52])[C@H:33]([CH:39]([C:46]2[CH:51]=[CH:50][CH:49]=[CH:48][CH:47]=2)[C:40]2[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=2)[NH:34][C:35]([O:37][CH3:38])=[O:36])[O:12][CH2:11]1)(C(C)(C)C)(C)C.CCCC[N+](CCCC)(CCCC)CCCC.[F-]>C1COCC1.CCOC(C)=O.[NH4+].[Cl-]>[OH:8][CH2:9][C@H:10]1[N:15]([C:16]([O:18][C:19]([CH3:21])([CH3:22])[CH3:20])=[O:17])[CH2:14][C@@H:13]([CH2:23][CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][C:26]=2[NH:31][C:32](=[O:52])[C@H:33]([CH:39]([C:46]2[CH:51]=[CH:50][CH:49]=[CH:48][CH:47]=2)[C:40]2[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=2)[NH:34][C:35]([O:37][CH3:38])=[O:36])[O:12][CH2:11]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 2

HCID 2724141Tetrabutylammonium FluorideHCID 86726306tert-butyl (2R,5S)-5-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2-[2-(2-{[N-(methoxycarbonyl)-beta-phenyl-L-phenylalanyl]amino}phenyl)ethyl]morpholine-4-carboxylate

생성물 1

HCID 86726307(2R,5R)-5-hydroxymethyl-2-{2-[2-((S)-2-methoxycarbonylamino-3,3-diphenyl-propionylamino)-phenyl]-ethyl}-morpholine-4-carboxylic acid tert-butyl ester

시약·촉매·용매 3

HCID 8028
Tetrahydrofuran
용매
HCID 8857Ethyl Acetate용매
HCID 25517Ammonium Chloride용매

실험 절차

To tert-butyl (2R,5S)-5-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2-[2-(2-{[N-(methoxycarbonyl)-β-phenyl-L-phenylalanyl]amino}phenyl)ethyl]morpholine-4-carboxylate in THF (0.1 M) at rt was added TBAF (1M in THF) (4 eq.). The mixture was stirred at rt for 2 hrs, diluted with EtOAc and saturated aqueous NH4Cl and the aqueous layer was extracted with EtOAc. The combined organic layers were washed with brine, dried over Na2SO4, filtered and concentrated. The crude product was purified by automated SiO2 flash chromatography system using solvent gradient of 0-5% MeOH/CH2Cl2 to afford the desired compound.

후처리

  1. extractionthe aqueous layer was extracted with EtOAc
  2. washThe combined organic layers were washed with brine
  3. dry with materialdried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe crude product was purified by automated SiO2 flash chromatography system

출처 및 근거

ORD 기록
ord-627c046bafb647bd82f6d144017c5400
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09315475B2

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