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4-Methylmorpholine → Tert-butyl 2-[[(4-bromobenzoyl)amino]methyl]pyrrolidine-1-carboxylate

HRID 417429
ノート
印刷プレビュー

反応式

HRID 417429 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][CH:9]1[CH2:13][NH2:14])=[O:7])([CH3:4])([CH3:3])[CH3:2].[Br:15][C:16]1[CH:24]=[CH:23][C:19]([C:20](O)=[O:21])=[CH:18][CH:17]=1.CN1CCOCC1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][CH:9]1[CH2:13][NH:14][C:20](=[O:21])[C:19]1[CH:23]=[CH:24][C:16]([Br:15])=[CH:17][CH:18]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
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 4

HCID 79724-MethylmorpholineHCID 114644-Bromobenzoic acidHCID 2756484(+-)-2-(Aminomethyl)-1-N-Boc-pyrrolidineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)

生成物 1

HCID 58185404Tert-butyl 2-[[(4-bromobenzoyl)amino]methyl]pyrrolidine-1-carboxylate収率 100%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To 2-aminomethyl-pyrrolidine-1-carboxylic acid tert-butyl ester (1.00 g, 4.97 mmol) and 4-bromo-benzoic acid (996 mg, 4.97 mmol) in DMF (25 mL) was added N-methylmorpholine (655 μl, 5.96 mmol) and HATU (1.89 g, 4.97 mmol). After stirring for 3 hours the reaction was concentrated then diluted with EtOAc and washed with 1N HCl, saturated NaHCO3, and brine. The organic phase was then dried over Na2SO4 and concentrated. The crude material was purified by silica gel chromatography (20-50% EtOAc-hexanes gradient) to afford 2-[(4-bromo-benzoylamino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester (1.91 g, 4.97 mmol, quantitative yield). LCMS-ESI+: calc'd for C17H24BrN2O3: 383.1 (M+H+). Found: 383.6 (M+H+).

後処理

  1. concentrationwas concentrated
  2. additionthen diluted with EtOAc
  3. washwashed with 1N HCl, saturated NaHCO3, and brine
  4. dry with materialThe organic phase was then dried over Na2SO4
  5. concentrationconcentrated
  6. customThe crude material was purified by silica gel chromatography (20-50% EtOAc-hexanes gradient)

出典と根拠

ORDレコード
ord-b29cdb7a02664df1a136636adc6ea499
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08088368B2

反応ノート

読み込み中…

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