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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
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반응식

HRID 47532 반응식
[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
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 5

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

생성물 1

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

시약·촉매·용매 2

HCID 3007855Zincchloride촉매HCID 887Methanol용매

실험 절차

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.

후처리

  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)

출처 및 근거

ORD 기록
ord-072b9e6c020c4bfc94d9868adebbc4c0
출처 데이터셋
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06699880B1

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