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Potassium cyclooctadienide → (Tetramethylcyclopentadienyl)dimethylsilyl(cyclooctadiene)

HRID 399293
ノート
印刷プレビュー

反応式

HRID 399293 の反応式
[C-]1CCCCC=CC=1.[K+].CC1C(C)=C(C)C([Si](Cl)(C)C)(C)C=1.[CH3:23][C:24]1[C:25]([CH3:42])=[C:26]([CH3:41])[C:27]([Si:30]([CH:33]2[CH:40]=[CH:39][CH2:38][CH2:37][CH2:36][CH:35]=[CH:34]2)([CH3:32])[CH3:31])([CH3:29])[CH:28]=1.CC1C(C)=C(C)C([Si](C2CCCC=CC=C2)(C)C)(C)C=1>C1COCC1>[CH3:23][C:24]1[C:25]([CH3:42])=[C:26]([CH3:41])[C:27]([Si:30]([C:33]2[CH2:40][CH2:39][CH2:38][CH2:37][CH:36]=[CH:35][CH:34]=2)([CH3:32])[CH3:31])([CH3:29])[CH:28]=1
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

6

反応物 4

HCID 86753202Potassium cyclooctadienideHCID 131720376(Tetramethylcyclopentadienyl)dimethylchlorosilaneHCID 131720867(Tetramethylcyclopentadienyl)(cylcoocta-2,7-dien-1-yl)dimethylsilaneHCID 131720868(Tetramethylcyclopentadienyl)(cylcoocta-2,4-dien-1-yl)dimethylsilane

生成物 1

HCID 131720866(Tetramethylcyclopentadienyl)dimethylsilyl(cyclooctadiene)

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒2 回

反応条件

温度
25 °C

実験手順

Potassium cyclooctadienide (3.42 g, 23.4 mmols) dissolved in about 50 mL of THF was added to a solution of (tetramethylcyclopentadienyl)chloro-dimethylsilane (5.02 g, 23.4 mmols) in about 80 mL of THF at about 25° C. A precipitate formed and the reaction mixture was stirred for about 16 hours at about 25° C., after which time the reaction mixture was filtered and the solvents removed under reduced pressure. The residue was extracted with hexane and filtered. The solvents were again removed under reduced pressure leaving the desired isomeric product comprising (tetramethylcyclopentadienyl)(cylcoocta-2,7-dien-1-yl)dimethylsilane and (tetramethylcyclopentadienyl)(cylcoocta-2,4-dien-1-yl)dimethylsilane.

後処理

  1. customA precipitate formed
  2. filtrationafter which time the reaction mixture was filtered
  3. customthe solvents removed under reduced pressure
  4. extractionThe residue was extracted with hexane
  5. filtrationfiltered
  6. customThe solvents were again removed under reduced pressure
  7. customleaving the desired isomeric product

出典と根拠

ORDレコード
ord-16b990876e75442d94fcff68c8b17887
出典データセット
uspto-grants-1998_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05817849

反応ノート

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