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Oxalic Acid → 8,9-dihydro-7-[(hydroxy)(2-methylpyridin-3-yl)methyl]-10-methylpyrido[1,2-a]indol-6(7H)-one

HRID 486197
ノート
印刷プレビュー

反応式

HRID 486197 の反応式
C(NC(C)C)(C)C.C([Li])CCC.[CH3:13][C:14]1[C:22]2[C:17](=[CH:18][CH:19]=[CH:20][CH:21]=2)[N:16]2[C:23](=[O:27])[CH2:24][CH2:25][CH2:26][C:15]=12.[CH3:28][C:29]1[C:34]([CH:35]=[O:36])=[CH:33][CH:32]=[CH:31][N:30]=1.C(O)(=O)C(O)=O>O1CCCC1.CCCCCC.O>[OH:36][CH:35]([C:34]1[C:29]([CH3:28])=[N:30][CH:31]=[CH:32][CH:33]=1)[CH:24]1[C:23](=[O:27])[N:16]2[C:17]3[C:22]([C:14]([CH3:13])=[C:15]2[CH2:26][CH2:25]1)=[CH:21][CH:20]=[CH:19][CH:18]=3
参加物実験手順後処理出典と根拠反応ノート

参加物

9

反応物 5

HCID 971Oxalic AcidHCID 7912DiisopropylamineHCID 1107438710-methyl-8,9-dihydropyrido[1,2-a]indol-6(7H)-oneHCID 110838812-Methylpyridine-3-carbaldehydeHCID 178418339Butyllithium

生成物 1

HCID 103361388,9-dihydro-7-[(hydroxy)(2-methylpyridin-3-yl)methyl]-10-methylpyrido[1,2-a]indol-6(7H)-one

試薬・触媒・溶媒 3

HCID 962Water溶媒HCID 8028Tetrahydrofuran溶媒3 回HCID 8058Hexane溶媒

実験手順

To a solution of diisopropylamine (1.01 g) in tetrahydrofuran (15 ml) at -70° C. under a nitrogen atmosphere was added 1.64M butyllithium in hexane (6.1 ml). After being stirred at the same temperature for 20 minutes, the mixture was treated with a solution of 8,9-dihydro-10-methylpyrido[1,2-a]indol-6(7H)-one (1.99 g) in tetrahydrofuran (25 ml) over 20 minutes. The mixture was stirred at -70° C. for 30 minutes, and a solution of 2-methyl-3-pyridinecarbaldehyde (1.21 g) in tetrahydrofuran (20 ml) was added dropwise over 20 minutes. After the mixture was stirred at -70° C. for further 60 minutes and at ambient temperature for 60 minutes, it was diluted with water and adjusted to pH 9 with oxalic acid. The separated organic layer was washed with brine, dried over anhydrous magnesium sulfate, and evaporated in vacuo, to give 8,9-dihydro-7-[(hydroxy)(2-methylpyridin- 3-yl)methyl]-10-methylpyrido[1,2-a]indol-6(7H)-one.

後処理

  1. stirringThe mixture was stirred at -70° C. for 30 minutes
  2. stirringAfter the mixture was stirred at -70° C. for further 60 minutes and at ambient temperature for 60 minutes
  3. washThe separated organic layer was washed with brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customevaporated in vacuo

出典と根拠

ORDレコード
ord-ad2d57dfa9734abba596b1206b345d3f
出典データセット
uspto-grants-1994_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05290785

反応ノート

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