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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
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HRID 11925 반응식
[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]
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참가 물질

7

반응물 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

생성물 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
수율 67.1%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

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%).

후처리

  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

출처 및 근거

ORD 기록
ord-1c60f96f3dfe4af09a1a02a0d2d06a2f
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07098337B2

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