Sodium Carbonate → 5-chloro-1-{1-[3-(1,3-dihydro-3-methyl-2-oxo-2H-benzimidazol-1-yl)propyl]-4-piperidinyl}-1,3-dihydro-2H-benzimidazol-2-one

HRID 46879

반응식

HRID 46879 반응식
I[CH2:2][CH2:3][CH2:4][N:5]1[C:9]2[CH:10]=[CH:11][CH:12]=[CH:13][C:8]=2[N:7]([CH3:14])[C:6]1=[O:15].[Cl:16][C:17]1[CH:32]=[CH:31][C:20]2[N:21]([CH:25]3[CH2:30][CH2:29][NH:28][CH2:27][CH2:26]3)[C:22](=[O:24])[NH:23][C:19]=2[CH:18]=1.C(=O)([O-])[O-].[Na+].[Na+]>CN(C)C=O>[Cl:16][C:17]1[CH:32]=[CH:31][C:20]2[N:21]([CH:25]3[CH2:26][CH2:27][N:28]([CH2:2][CH2:3][CH2:4][N:5]4[C:9]5[CH:10]=[CH:11][CH:12]=[CH:13][C:8]=5[N:7]([CH3:14])[C:6]4=[O:15])[CH2:29][CH2:30]3)[C:22](=[O:24])[NH:23][C:19]=2[CH:18]=1

참가 물질

5

반응물 3

HCID 10340Sodium CarbonateHCID 1046075-Chloro-1,3-dihydro-1-(4-piperidinyl)-2H-benzimidazol-2-oneHCID 219899771,3-dihydro-1-(3-iodopropyl)-3-methyl-2H-benzimidazol-2-one

생성물 1

HCID 203855935-chloro-1-{1-[3-(1,3-dihydro-3-methyl-2-oxo-2H-benzimidazol-1-yl)propyl]-4-piperidinyl}-1,3-dihydro-2H-benzimidazol-2-one수율 43%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

A mixture of 5 parts of 1,3-dihydro-1-(3-iodopropyl)-3-methyl-2H-benzimidazol-2-one, 3.75 parts of 5-chloro-1,3-dihydro-1-(4-piperidinyl)-2H-benzimidazol-2-one, 2,65 parts of sodium carbonate and 22.5 parts of N,N-dimethylformamide is stirred at 70°-80° C. for 2 hours. The reaction mixture is cooled, poured onto water and the precipitated product is filtered off. It is dissolved in trichloromethane. The solution is dried, filtered and evaporated. The residue is crystallized from 4-methyl-2-pentanone, yielding 3 parts (43%) of 5-chloro-1-{1-[3-(1,3-dihydro-3-methyl-2-oxo-2H-benzimidazol-1-yl)propyl]-4-piperidinyl}-1,3-dihydro-2H-benzimidazol-2-one; mp. 166.5° C.

후처리

  1. temperatureThe reaction mixture is cooled
  2. additionpoured onto water
  3. filtrationthe precipitated product is filtered off
  4. dissolutionIt is dissolved in trichloromethane
  5. customThe solution is dried
  6. filtrationfiltered
  7. customevaporated
  8. customThe residue is crystallized from 4-methyl-2-pentanone

출처 및 근거

ORD 기록
ord-8d558b8e829948a095f771e857bfff29
출처 데이터셋
uspto-grants-1979_11
특허 번호
US04175129

연결된 노트

불러오는 중…