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Diisopropylethylamine → 2-(4'-Chloro-biphenyl-3-ylcarbamoyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 71850
ノート
印刷プレビュー

反応式

HRID 71850 の反応式
Cl.[Cl:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[CH:14]=[CH:13][CH:12]=[C:11]([NH2:15])[CH:10]=2)=[CH:5][CH:4]=1.[C:16]([O:20][C:21]([N:23]1[CH2:27][CH2:26][CH2:25][CH:24]1[C:28](O)=[O:29])=[O:22])([CH3:19])([CH3:18])[CH3:17].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.C(OCC)(=O)C>[C:16]([O:20][C:21]([N:23]1[CH2:27][CH2:26][CH2:25][CH:24]1[C:28](=[O:29])[NH:15][C:11]1[CH:10]=[C:9]([C:6]2[CH:5]=[CH:4][C:3]([Cl:2])=[CH:8][CH:7]=2)[CH:14]=[CH:13][CH:12]=1)=[O:22])([CH3:19])([CH3:18])[CH3:17]
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 2684721-[(Tert-butoxy)carbonyl]pyrrolidine-2-carboxylic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 441197194'-Chloro-[1,1'-biphenyl]-3-amine hydrochloride

生成物 1

HCID 666205302-(4'-Chloro-biphenyl-3-ylcarbamoyl)-pyrrolidine-1-carboxylic acid tert-butyl ester
収率 99.5%

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 8857Ethyl Acetate溶媒

実験手順

4′-Chloro-biphenyl-3-ylamine hydrochloride (1 g, 4.16 mmol), Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester (1.08 g, 5.00 mmol) and HATU (2.06 g, 5.41 mmol) were suspended in DMF (20 mL) and DIPEA (2.20 mL, 12.5 mmol) was added. The mixture was stirred for 16 hours before being diluted with ethyl acetate (250 mL) and washed with water and brine. The organic layer was dried over magnesium sulfate and concentrated. The crude residue was purified by silica column chromatography (25% to 45% EtOAc/hexanes) to provide 2-(4′-Chloro-biphenyl-3-ylcarbamoyl)-pyrrolidine-1-carboxylic acid tert-butyl ester (1.66 g, 99%).

後処理

  1. washwashed with water and brine
  2. dry with materialThe organic layer was dried over magnesium sulfate
  3. concentrationconcentrated
  4. customThe crude residue was purified by silica column chromatography (25% to 45% EtOAc/hexanes)

出典と根拠

ORDレコード
ord-f1163d7e17a04d59aa4d5aceb6e24f23
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08822430B2

反応ノート

読み込み中…

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