Sodium Azide → 2-(2-Azidoethoxy)oxane

HRID 2067192ノート

反応式

HRID 2067192 の反応式
Br[CH2:2][CH2:3][O:4][CH:5]1[CH2:10][CH2:9][CH2:8][CH2:7][O:6]1.[N-:11]=[N+:12]=[N-:13].[Na+].CCOC(C)=O.O>[I-].C([N+](CCCC)(CCCC)CCCC)CCC.CN(C=O)C>[N:11]([CH2:2][CH2:3][O:4][CH:5]1[CH2:10][CH2:9][CH2:8][CH2:7][O:6]1)=[N+:12]=[N-:13]

参加物

6

反応物 3

HCID 33557Sodium AzideHCID 866212-(2-Bromoethoxy)tetrahydro-2H-pyranHCID 22728543Water ethylacetate

生成物 1

HCID 600742872-(2-Azidoethoxy)oxane

試薬・触媒・溶媒 2

HCID 67553Tetrabutylammonium Iodide触媒HCID 6228Dimethylformamide溶媒

実験手順

A mixture of 2-(2-bromo-ethoxy)-tetrahydro-pyran (1.00 mL, 6.62 mmol), NaN3 (4.34 g, 66 mmol) and tetrabutylammonium iodide (245 mg, 0.66 mmol) in DMF (7.0 mL) was stirred at RT for 18 h. The reaction mixture was poured into a mixture of EtOAc/water. The organic phase was washed with water, brine and then dried (MgSO4), filtered and concentrated in vacuo to give the crude product. The crude product was purified by continuous gradient flash chromatography using EtOAc/petroleum ether (40-60) 0:100 to 20:80 as the eluent to afford the title compound as colourless oil.

後処理

  1. washThe organic phase was washed with water, brine
  2. dry with materialdried (MgSO4)
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customto give the crude product
  6. customThe crude product was purified by continuous gradient flash chromatography

出典と根拠

ORDレコード
ord-ee53d6f9a5bf41f3b026d03b2a71bebc
出典データセット
uspto-grants-2012_10
特許番号
US08293772B2

反応ノート

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