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Sodium Chloride → 1-[1-[1-(diphenylmethyl)azetidin-3-yl]piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-one

HRID 47532
ノート
印刷プレビュー

反応式

HRID 47532 の反応式
[NH:1]1[CH2:6][CH2:5][CH:4]([N:7]2[C:11]3[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=3[NH:9][C:8]2=[O:16])[CH2:3][CH2:2]1.[C:17]1([CH:23]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[N:24]2[CH2:27][CH2:26][C:25]2=O)[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.C([BH3-])#N.[Na+].C(=O)([O-])O.[Na+].[Cl-].[Na+]>CO.[Cl-].[Zn+2].[Cl-]>[C:17]1([CH:23]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[N:24]2[CH2:27][CH:26]([N:1]3[CH2:2][CH2:3][CH:4]([N:7]4[C:11]5[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=5[NH:9][C:8]4=[O:16])[CH2:5][CH2:6]3)[CH2:25]2)[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 5

HCID 5234Sodium ChlorideHCID 886381,3-Dihydro-1-(4-piperidinyl)-2H-benzimidazol-2-oneHCID 516892Sodium BicarbonateHCID 5003444Sodium cyanoborohydrideHCID 123767241-(Diphenylmethyl)azetidin-2-one

生成物 1

HCID 227452971-[1-[1-(diphenylmethyl)azetidin-3-yl]piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-one
収率 133.1%

試薬・触媒・溶媒 2

HCID 3007855Zincchloride触媒HCID 887Methanol溶媒

実験手順

In 7 ml of methanol, 217 mg of 1-(piperidin-4-yl)-1,3-dihydro-2H-benzimidazol-2-one, 300 mg of 1-(diphenylmethyl)azetidin-2-one, 94 mg of sodium cyanoborohydride and 102 mg of zinc chloride were dissolved and stirred overnight. The reaction liquid was added to a saturated aqueous solution of sodium hydrogencarbonate to which sodium chloride had been added, and extracted with ethyl acetate. The extract was washed with saturated brine, dried over sodium sulfate and concentrated. Thus obtained residue was purified by silica gel column chromatography (chloroform, chloroform/methanol=50/1) to provide 583 mg of crude 1-[1-[1-(diphenylmethyl)azetidin-3-yl]piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-one.

後処理

  1. customThe reaction liquid
  2. additionhad been added
  3. extractionextracted with ethyl acetate
  4. washThe extract was washed with saturated brine
  5. dry with materialdried over sodium sulfate
  6. concentrationconcentrated
  7. customThus obtained residue was purified by silica gel column chromatography (chloroform, chloroform/methanol=50/1)

出典と根拠

ORDレコード
ord-072b9e6c020c4bfc94d9868adebbc4c0
出典データセット
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06699880B1

反応ノート

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