Hydrochloric Acid → 1-benzyl-4-(4-chlorophenyl)-5-(hydroxymethyl)-6-methyl-1H-pyrrolo[2,3-c]pyridin-7(6H)-one

HRID 1473184ノート

反応式

HRID 1473184 の反応式
[CH2:1]([N:8]1[C:12]2[C:13](=[O:29])[N:14]([CH3:28])[C:15]([C:24](OC)=[O:25])=[C:16]([C:17]3[CH:22]=[CH:21][C:20]([Cl:23])=[CH:19][CH:18]=3)[C:11]=2[CH:10]=[CH:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[Li+].[BH4-].Cl>C1(C)C=CC=CC=1>[CH2:1]([N:8]1[C:12]2[C:13](=[O:29])[N:14]([CH3:28])[C:15]([CH2:24][OH:25])=[C:16]([C:17]3[CH:22]=[CH:21][C:20]([Cl:23])=[CH:19][CH:18]=3)[C:11]=2[CH:10]=[CH:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 4148881Lithium borohydride2 回HCID 89462830methyl 1-benzyl-4-(4-chlorophenyl)-6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-5-carboxylate

生成物 1

HCID 894626421-benzyl-4-(4-chlorophenyl)-5-(hydroxymethyl)-6-methyl-1H-pyrrolo[2,3-c]pyridin-7(6H)-one収率 67.5%

試薬・触媒・溶媒 1

HCID 1140Toluene溶媒

反応条件

温度
90 °C

実験手順

A solution of methyl 1-benzyl-4-(4-chlorophenyl)-6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-5-carboxylate (6.4 g, 15.7 mmol) in Toluene (80 mL) was treated with LiBH4 (3.43 g, 157 mmol) and then heated at 90° C. overnight. Additional LiBH4 (3.43 g, 157 mmol) was added and the mixture was allowed to stir for an additional 5 hours at 90° C. The mixture was cooled to 0° C., treated with HCl (1M) until pH<2 and then extracted with ethyl acetate. The combined extracts were washed with brine, dried over Na2SO4, filtered and concentrated. The residue was purified on silica gel (0-100% ethyl acetate/hexanes) to afford 1-benzyl-4-(4-chlorophenyl)-5-(hydroxymethyl)-6-methyl-1H-pyrrolo[2,3-c]pyridin-7(6H)-one (4.0 g, 10.6 mmol, 67% yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) ppm 7.53-7.57 (m, 2H) 7.43-7.47 (m, 4H) 7.28-7.35 (m, 4H) 5.92-5.96 (m, 1H) 5.80 (s, 2H) 5.31 (s, 1H) 4.29-4.37 (m, 2H) 3.70 (s, 3H); LCMS (m/z) ES+=379 (M+1).

後処理

  1. temperatureThe mixture was cooled to 0° C.
  2. extractionextracted with ethyl acetate
  3. washThe combined extracts were washed with brine
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe residue was purified on silica gel (0-100% ethyl acetate/hexanes)

出典と根拠

ORDレコード
ord-bf97ab1091384bcfa519caf88c717bed
出典データセット
uspto-grants-2015_04
特許番号
US09012642B2

反応ノート

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