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Diisopropylethylamine → (2S,5S)-ethyl 1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carboxylate

HRID 1412970
ノート
印刷プレビュー

反応式

HRID 1412970 の反応式
[CH3:1][C@@H:2]1[NH:6][C@H:5]([C:7]([O:9][CH2:10][CH3:11])=[O:8])[CH2:4][CH2:3]1.C(O)(C(F)(F)F)=O.[CH3:19][O:20][C:21]([NH:23][C@@H:24]([CH:28]([CH3:30])[CH3:29])[C:25](O)=[O:26])=[O:22].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>CN(C=O)C.CCOC(C)=O>[CH3:19][O:20][C:21]([NH:23][C@@H:24]([CH:28]([CH3:30])[CH3:29])[C:25]([N:6]1[C@@H:2]([CH3:1])[CH2:3][CH2:4][C@H:5]1[C:7]([O:9][CH2:10][CH3:11])=[O:8])=[O:26])=[O:22]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 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 10942966(2S)-2-((methoxycarbonyl)amino)-3-methylbutanoic acidHCID 66756570(2S,5S)-ethyl 5-methylpyrrolidine-2-carboxylate 2,2,2-trifluoroacetate

生成物 1

HCID 67411636
(2S,5S)-ethyl 1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carboxylate

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 8857Ethyl Acetate溶媒

実験手順

(2S,5S)-Ethyl 5-methylpyrrolidine-2-carboxylate-TFA (10.0 g, 39.3 mmol), (S)-2-(methoxycarbonylamino)-3-methylbutanoic acid (6.88 g, 39.3 mmol) and HATU (14.9 g, 39.3 mmol) were combined in DMF (100 mL) and DIPEA (15.0 mL, 86.5 mmol) was added. After stirring for 1 h at RT, the reaction mixture was diluted with EtOAc. The organic phase was washed successively with 10% HCl, saturated aqueous NaHCO3 and brine, then dried over MgSO4, filtered and concentrated under reduced pressure to afford (2S,5S)-ethyl 1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carboxylate. The crude material was carried on without further purification.

後処理

  1. washThe organic phase was washed successively with 10% HCl, saturated aqueous NaHCO3 and brine
  2. dry with materialdried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-7fee3ef70f9246df90d23fccd0238fb0
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08921341B2

反応ノート

読み込み中…

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