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Sodium Carbonate → Triisopropyl({3-methyl-5-[4-(trifluoromethoxy)phenyl]thien-2-yl}methoxy)silane

HRID 9674
ノート
印刷プレビュー

反応式

HRID 9674 の反応式
[CH:1]([Si:4]([CH:25]([CH3:27])[CH3:26])([CH:22]([CH3:24])[CH3:23])[O:5][CH2:6][C:7]1[S:8][C:9](B2OC(C)(C)C(C)(C)O2)=[CH:10][C:11]=1[CH3:12])([CH3:3])[CH3:2].Br[C:29]1[CH:34]=[CH:33][C:32]([O:35][C:36]([F:39])([F:38])[F:37])=[CH:31][CH:30]=1.C(=O)([O-])[O-].[Na+].[Na+]>COCCOC.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH:1]([Si:4]([CH:22]([CH3:24])[CH3:23])([CH:25]([CH3:27])[CH3:26])[O:5][CH2:6][C:7]1[S:8][C:9]([C:29]2[CH:30]=[CH:31][C:32]([O:35][C:36]([F:37])([F:38])[F:39])=[CH:33][CH:34]=2)=[CH:10][C:11]=1[CH3:12])([CH3:2])[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 3

HCID 10340Sodium CarbonateHCID 5210081-Bromo-4-(trifluoromethoxy)benzeneHCID 21986357Triisopropyl{[3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thien-2-yl]methoxy}silane2 回

生成物 1

HCID 21986319Triisopropyl({3-methyl-5-[4-(trifluoromethoxy)phenyl]thien-2-yl}methoxy)silane

試薬・触媒・溶媒 3

HCID 178418397
HCID 178418397、化合物
触媒
HCID 962Water溶媒
HCID 80711,2-Dimethoxyethane溶媒

実験手順

A mixture of triisopropyl{[3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thien-2-yl]methoxy}silane (intermediate 116, 0.40 g) in 1,2-dimethoxyethane (12 ml) and water (6 ml) was treated with 4-bromo-trifluoromethoxybenzene (0.26 g), sodium carbonate (0.26 g) and tetrakis(triphenylphosphine)palladium (0) (0.120 g). The reaction mixture was stirred at reflux for 2 hours and then partitioned between water and ethyl acetate. The aqueous layer was separated and extracted with further ethyl acetate and then the organic solutions combined and dried over magnesium sulfate. The crude product was purified by Si SPE using dichloromethane as eluent to give the title compound as a yellow gum.

後処理

  1. temperatureat reflux for 2 hours
  2. custompartitioned between water and ethyl acetate
  3. customThe aqueous layer was separated
  4. extractionextracted with further ethyl acetate
  5. dry with materialdried over magnesium sulfate
  6. customThe crude product was purified by Si SPE

出典と根拠

ORDレコード
ord-e03a93a17363478b889d4c03be0565a7
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07091237B2

反応ノート

読み込み中…

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