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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
ノート
印刷プレビュー

反応式

HRID 629699 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 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

試薬・触媒・溶媒 3

HCID 8028
Tetrahydrofuran
溶媒
HCID 8857Ethyl Acetate溶媒
HCID 25517Ammonium Chloride溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-627c046bafb647bd82f6d144017c5400
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09315475B2

反応ノート

読み込み中…

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