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Sodium hydride → (4R,9aR)-6-Cyclopropylmethoxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

HRID 11925
ノート
印刷プレビュー

反応式

HRID 11925 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([CH2:22][OH:23])=[CH:14][CH:13]=3)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].Br[CH2:27][CH:28]1[CH2:30][CH2:29]1.C(=O)(O)[O-].[Na+]>CN(C)C=O.C(OCC)(=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([CH2:22][O:23][CH2:27][CH:28]2[CH2:30][CH2:29]2)=[CH:14][CH:13]=3)[CH2:9]1)=[O:7])([CH3:2])([CH3:4])[CH3:3]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 24758Sodium hydrideHCID 81503BromomethylcyclopropaneHCID 516892Sodium BicarbonateHCID 67238448(4R,9aR)-6-hydroxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

生成物 1

HCID 69360580(4R,9aR)-6-Cyclopropylmethoxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester
収率 67.1%

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 8857Ethyl Acetate溶媒

実験手順

To a solution of 1.2 g (37.6 mmol) (4R,9aR)-6-hydroxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester in 30 ml N,N-dimethylformamide was added 0.18 g (41.4 mmol) sodium hydride. After 30 min 0.72 ml (1.01 g, 75.2 mmol) (bromomethyl)cyclopropane was added and the reaction was stirred for 3 h. The reaction mixture was poured into 10% aqueous sodium bicarbonate solution and ethyl acetate. The organic layer was washed with brine, dried over magnesium sulfate, filtered and evaporated. The residue was purified by chromatography on silica gel (0.032–0.063 mm) with a gradient of ethyl acetate:n-hexane (1:1 to 100:0) as eluant to afford the compound as a light yellow oil (67.1%).

後処理

  1. washThe organic layer was washed with brine
  2. dry with materialdried over magnesium sulfate
  3. filtrationfiltered
  4. customevaporated
  5. customThe residue was purified by chromatography on silica gel (0.032–0.063 mm) with a gradient of ethyl acetate:n-hexane (1:1 to 100:0) as eluant

出典と根拠

ORDレコード
ord-1c60f96f3dfe4af09a1a02a0d2d06a2f
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07098337B2

反応ノート

読み込み中…

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