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Triethylamine → 8-[(1S,2S)-2,3-Dihydro-2-hydroxy-1-indenyloxy)-6-(N,N-dimethylamino-carbonyl)-2,3-dimethyl-imidazo[1,2-a]pyridine

HRID 2053042
ノート
印刷プレビュー

反応式

HRID 2053042 の反応式
[CH3:1][N:2]([CH3:17])[C:3]([C:5]1[CH:6]=[C:7]([OH:16])[C:8]2[N:9]([C:11]([CH3:15])=[C:12]([CH3:14])[N:13]=2)[CH:10]=1)=[O:4].[O:18]1[C@H:20]2[CH2:21][C:22]3[C:27]([C@@H:19]12)=[CH:26][CH:25]=[CH:24][CH:23]=3.C(N(CC)CC)C>C(O)C.O>[OH:18][C@H:20]1[CH2:21][C:22]2[C:27](=[CH:26][CH:25]=[CH:24][CH:23]=2)[C@@H:19]1[O:16][C:7]1[C:8]2[N:9]([C:11]([CH3:15])=[C:12]([CH3:14])[N:13]=2)[CH:10]=[C:5]([C:3]([N:2]([CH3:1])[CH3:17])=[O:4])[CH:6]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 8471TriethylamineHCID 1512568(1R,2S)-epoxyindaneHCID 237308448-Hydroxy-N,N,2,3-tetramethylimidazo[1,2-a]pyridine-6-carboxamide

生成物 1

HCID 104065358-[(1S,2S)-2,3-Dihydro-2-hydroxy-1-indenyloxy)-6-(N,N-dimethylamino-carbonyl)-2,3-dimethyl-imidazo[1,2-a]pyridine収率 74%

試薬・触媒・溶媒 2

HCID 702Ethanol溶媒
HCID 962
Water
溶媒

実験手順

To a solution of 1.5 g (6.4 mmol) 6-(N,N-dimethylamino-carbonyl)-8-hydroxy-2,3-dimethyl-imidazo[1,2-a]pyridine in 30 ml ethanol and 7.5 ml water are added 1.7 g (12.9 mmol) (1R,2S)-epoxyindane and 1.8 ml triethylamine. After 3 h at 70° C., the mixture is cooled down and partitioned between dichloro-methane and water. The organic layer is separated, dried over anhydrous magnesium sulphate and evaporated. Purification of the residue by column chromatography on silica gel using ethyl acetate:light petroleum ether (1:1) and crystallization from diisopropyl ether yields 1.7 g (74%) of the title compound as a colourless solid (m.p. 122° C.).

後処理

  1. temperaturethe mixture is cooled down
  2. custompartitioned between dichloro-methane and water
  3. customThe organic layer is separated
  4. dry with materialdried over anhydrous magnesium sulphate
  5. customevaporated
  6. customPurification of the residue by column chromatography on silica gel
  7. customethyl acetate:light petroleum ether (1:1) and crystallization from diisopropyl ether

出典と根拠

ORDレコード
ord-ec1612091324462c8531edd9198f1432
出典データセット
uspto-grants-2008_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07326718B2

反応ノート

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