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tert-Butyldimethylsilyl chloride → 3-{[5-(azetidin-1-ylcarbonyl)-3-chloropyridin-2-yl]oxy}-5-[((1S)-2-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-1-methylethyl)oxy]benzoic acid

HRID 1990267
ノート
印刷プレビュー

反応式

HRID 1990267 の反応式
[Si:1](Cl)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[N:9]1([C:13]([C:15]2[CH:16]=[C:17]([Cl:36])[C:18]([O:21][C:22]3[CH:23]=[C:24]([CH:28]=[C:29]([O:31][C@@H:32]([CH3:35])[CH2:33][OH:34])[CH:30]=3)[C:25]([OH:27])=[O:26])=[N:19][CH:20]=2)=[O:14])[CH2:12][CH2:11][CH2:10]1.N12CCCN=C1CCCCC2>C(#N)C>[N:9]1([C:13]([C:15]2[CH:16]=[C:17]([Cl:36])[C:18]([O:21][C:22]3[CH:23]=[C:24]([CH:28]=[C:29]([O:31][C@@H:32]([CH3:35])[CH2:33][O:34][Si:1]([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2])[CH:30]=3)[C:25]([OH:27])=[O:26])=[N:19][CH:20]=2)=[O:14])[CH2:12][CH2:11][CH2:10]1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 28928tert-Butyldimethylsilyl chlorideHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 591271743-{[5-(azetidin-1-ylcarbonyl)-3-chloropyridin-2-yl]oxy}-5-{[(1S)-2-hydroxy-1-methylethyl]oxy}benzoic acid

生成物 1

HCID 536296873-{[5-(azetidin-1-ylcarbonyl)-3-chloropyridin-2-yl]oxy}-5-[((1S)-2-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-1-methylethyl)oxy]benzoic acid収率 60.6%

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

実験手順

tert-Butyldimethylsilyl chloride (2.78 g, 18.4 mmol) was added to a mixture of 3-{[5-(azetidin-1-ylcarbonyl)-3-chloropyridin-2-yl]oxy}-5-{[(1S)-2-hydroxy-1-methylethyl]oxy}benzoic acid (3.74 g, 9.19 mmol) and 1,8-diazabicyclo(5,4,0)undec-7-ene (2.75 mL, 7.36 mmol) in acetonitrile (40 mL) and stirred at RT for 24 hours. The solvent was removed in vacuo and water (80 mL) added to the resultant oil. The mixture was adjusted to pH 10 with 1M sodium bicarbonate solution and washed with ether to remove any impurities. The aqueous layer was adjusted to pH 3 with 1M citric acid and extracted into ethyl acetate (2×100 mL). The combined organics were washed with brine (50 mL), dried (MgSO4), filtered and reduced in vacuo to give the desired compound as a white foam (2.9 g).

後処理

  1. customThe solvent was removed in vacuo and water (80 mL)
  2. additionadded to the resultant oil
  3. washwashed with ether
  4. customto remove any impurities
  5. extractionextracted into ethyl acetate (2×100 mL)
  6. washThe combined organics were washed with brine (50 mL)
  7. dry with materialdried (MgSO4)
  8. filtrationfiltered

出典と根拠

ORDレコード
ord-3e56299181f546f796eead76729945f0
出典データセット
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07642259B2

反応ノート

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このページの内容参加物実験手順後処理出典と根拠反応ノート