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1-(2-Hydroxyethyl)piperazine → 1-(3-(Di(tert-butyldimethylsiloxy)-methyl-silanyl)-propoxy)-3-(4-(2-hydroxy-ethyl)-piperidin-1-yl)-propan-2-ol

HRID 2384125
ノート
印刷プレビュー

反応式

HRID 2384125 の反応式
[N:1]1([CH2:7][CH2:8][OH:9])[CH2:6][CH2:5]N[CH2:3][CH2:2]1.[C:10]([Si:14]([CH3:34])([CH3:33])[O:15][Si:16]([CH:26]([CH2:29][CH:30]1[CH2:32][O:31]1)CC)([CH3:25])[O:17][Si:18]([C:21]([CH3:24])([CH3:23])[CH3:22])([CH3:20])[CH3:19])([CH3:13])([CH3:12])[CH3:11]>C(O)C>[O:15]([Si:16]([O:17][Si:18]([C:21]([CH3:24])([CH3:23])[CH3:22])([CH3:20])[CH3:19])([CH3:25])[CH2:26][CH2:29][CH2:30][O:31][CH2:32][CH:8]([OH:9])[CH2:7][N:1]1[CH2:6][CH2:5][CH:26]([CH2:29][CH2:30][OH:31])[CH2:3][CH2:2]1)[Si:14]([C:10]([CH3:11])([CH3:13])[CH3:12])([CH3:34])[CH3:33]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 76771-(2-Hydroxyethyl)piperazineHCID 866322801,5-Di(tert-butyl)-3-(oxiranylmethylpropyl)-1,1,3,5,5-Pentamethyltrisiloxane

生成物 1

HCID 668726811-(3-(Di(tert-butyldimethylsiloxy)-methyl-silanyl)-propoxy)-3-(4-(2-hydroxy-ethyl)-piperidin-1-yl)-propan-2-ol

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

反応条件

温度
70 °C

実験手順

2-piperazin-1-yl-ethanol (0.61 g) and ethanol (20 mL) were charged to a 100 mL RB flask equipped with a magnetic stirrer. The mixture was stirred and heated to 70° C. 1,5-Di(tert-butyl)-3-(oxiranylmethylpropyl)-1,1,3,5,5-Pentamethyltrisiloxane (2.0 g) was placed in an addition funnel and added dropwise to the flask. The mixture was stirred and maintained at 70° C. for an additional 4 hours. The reaction progress was monitored by NMR spectroscopy. Upon reaction completion, the ethanol was removed by rotovap, and the mixture was distilled under reduced pressure to remove impurities.

後処理

  1. customequipped with a magnetic stirrer
  2. additionadded dropwise to the flask
  3. stirringThe mixture was stirred
  4. temperaturemaintained at 70° C. for an additional 4 hours
  5. customUpon reaction completion
  6. customthe ethanol was removed by rotovap
  7. distillationthe mixture was distilled under reduced pressure
  8. customto remove impurities

出典と根拠

ORDレコード
ord-37d81312127240a5a412271f41d6c9b4
出典データセット
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08263669B2

反応ノート

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