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Dimethylformamide → 4-[[1-[(4-fluorophenyl)methyl]-1H-benzimidazol-2-yl]methyl]-N,N-dimethyl-alpha,alpha-diphenyl-1-piperidinebutanamide

HRID 2309635
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HRID 2309635 반응식
[Br-].[C:2]1([C:8]2([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=3)[CH2:12][CH2:11][O:10][C:9]2=[N+:13]([CH3:15])[CH3:14])[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[F:22][C:23]1[CH:28]=[CH:27][C:26]([CH2:29][N:30]2[C:34]3[CH:35]=[CH:36][CH:37]=[CH:38][C:33]=3[N:32]=[C:31]2[CH2:39][CH:40]2[CH2:45][CH2:44][NH:43][CH2:42][CH2:41]2)=[CH:25][CH:24]=1.C(=O)([O-])[O-].[Na+].[Na+].CN(C)C=O>O>[F:22][C:23]1[CH:28]=[CH:27][C:26]([CH2:29][N:30]2[C:34]3[CH:35]=[CH:36][CH:37]=[CH:38][C:33]=3[N:32]=[C:31]2[CH2:39][CH:40]2[CH2:41][CH2:42][N:43]([CH2:11][CH2:12][C:8]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=3)([C:2]3[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=3)[C:9]([N:13]([CH3:15])[CH3:14])=[O:10])[CH2:44][CH2:45]2)=[CH:25][CH:24]=1
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참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 10340Sodium CarbonateHCID 2723589(Dihydro-3,3-diphenyl-3H-furan-2-ylidene)dimethylammonium bromideHCID 140128661-[(4-fluorophenyl)methyl]-2-(4-piperidinylmethyl)-1H-benzimidazole

생성물 1

HCID 145180254-[[1-[(4-fluorophenyl)methyl]-1H-benzimidazol-2-yl]methyl]-N,N-dimethyl-alpha,alpha-diphenyl-1-piperidinebutanamide
수율 20%

시약·촉매·용매 1

HCID 962Water용매

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온도
70 °C

실험 절차

A mixture of 5.55 parts of N-(dihydro-3,3-diphenyl-2(3H)-furanylidene)-N-methylmethanaminium bromide, 4.85 parts of 1-[(4-fluorophenyl)methyl]-2-(4-piperidinylmethyl)-1H-benzimidazole, 2 parts of sodium carbonate and 90 parts of N,N-dimethylformamide was stirred overnight at 70° C. The reaction mixture was poured into water. The product was extracted with 4-methyl-2-pentanone. The extract was dried, filtered and evaporated. The residue was purified by column chromatography over silica gel using a mixture of trichloromethane and methanol, saturated with ammonia, (95:5 by volume) as eluent. The pure fractions were collected and the eluent was evaporated. The residue was crystallized from acetonitrile. The product was filtered off and dried, yielding 1.8 parts (20%) of 4-[[1-[(4-fluorophenyl)methyl]-1H-benzimidazol-2-yl]methyl]-N,N-dimethyl-α,α-diphenyl-1-piperidinebutanamide; mp. 151.4° C. (150).

후처리

  1. extractionThe product was extracted with 4-methyl-2-pentanone
  2. customThe extract was dried
  3. filtrationfiltered
  4. customevaporated
  5. customThe residue was purified by column chromatography over silica gel using
  6. additiona mixture of trichloromethane and methanol
  7. customThe pure fractions were collected
  8. customthe eluent was evaporated
  9. customThe residue was crystallized from acetonitrile
  10. filtrationThe product was filtered off
  11. customdried

출처 및 근거

ORD 기록
ord-f80b6641c5144b11b0887926aab479c9
출처 데이터셋
uspto-grants-1987_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04695575

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