Dimethylformamide → 1-[(4-fluorophenyl)methyl]N-[1-[2-[(thiazolo[5,4-b]pyridin-2-yl)oxy]ethyl]-4-piperidinyl]-1H-benzimidazol-2-amine

HRID 893690

反応式

HRID 893690 の反応式
Cl.Cl.[F:3][C:4]1[CH:9]=[CH:8][C:7]([CH2:10][N:11]2[C:15]3[CH:16]=[CH:17][CH:18]=[CH:19][C:14]=3[N:13]=[C:12]2[NH:20][CH:21]2[CH2:26][CH2:25][N:24]([CH2:27][CH2:28][OH:29])[CH2:23][CH2:22]2)=[CH:6][CH:5]=1.[H-].[Na+].CN(C)C=O.CS([C:41]1[S:42][C:43]2[C:48]([N:49]=1)=[CH:47][CH:46]=[CH:45][N:44]=2)(=O)=O>O>[F:3][C:4]1[CH:9]=[CH:8][C:7]([CH2:10][N:11]2[C:15]3[CH:16]=[CH:17][CH:18]=[CH:19][C:14]=3[N:13]=[C:12]2[NH:20][CH:21]2[CH2:26][CH2:25][N:24]([CH2:27][CH2:28][O:29][C:41]3[S:42][C:43]4[C:48]([N:49]=3)=[CH:47][CH:46]=[CH:45][N:44]=4)[CH2:23][CH2:22]2)=[CH:6][CH:5]=1

参加物

6

反応物 4

HCID 6228DimethylformamideHCID 24758Sodium hydrideHCID 36045032-(Methylsulfonyl)thiazolo[5,4-b]pyridineHCID 679186284-[1-(4-fluorophenylmethyl)-1H-benzimidazol-2-ylamino]-1-piperidineethanol dihydrochloride

生成物 1

HCID 139831081-[(4-fluorophenyl)methyl]N-[1-[2-[(thiazolo[5,4-b]pyridin-2-yl)oxy]ethyl]-4-piperidinyl]-1H-benzimidazol-2-amine収率 15%

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

To a stirred mixture of 5.3 parts of 4-[1-(4-fluorophenylmethyl)-1H-benzimidazol-2-ylamino]-1-piperidineethanol dihydrochloride, 2.8 parts of a sodium hydride dispersion 50% and 90 parts of N,N-dimethylformamide were added 2.55 parts of 2-(methylsulfonyl)thiazolo[5,4-b]pyridine. The whole was stirred for 2 hours. 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, hexane and methanol (45:45:10 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 0.9 parts (15%) of 1-[(4-fluorophenyl)methyl]-N-[1-[2-[(thiazolo[5,4-b]pyridin-2-yl)oxy]ethyl]-4-piperidinyl]-1H-benzimidazol-2-amine; mp. 151.0° C. (compound 107).

後処理

  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, hexane and methanol (45:45:10 by volume) as eluent
  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

出典と根拠

ORDレコード
ord-0b7221bbabed446daedab053236ae5c8
出典データセット
uspto-grants-1992_06
特許番号
US05126339

関連ノート

読み込み中…