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Chlorotrimethylsilane → 2-Amino-4,4,4-trifluorobutan-1-ol

HRID 2275782
ノート
印刷プレビュー

反応式

HRID 2275782 の反応式
[BH4-].[Li+].C1COCC1.Cl[Si](C)(C)C.Cl.[NH2:14][CH:15]([CH2:19][C:20]([F:23])([F:22])[F:21])[C:16](O)=[O:17]>CO>[NH2:14][CH:15]([CH2:19][C:20]([F:23])([F:22])[F:21])[CH2:16][OH:17]
参加物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 6397ChlorotrimethylsilaneHCID 8028TetrahydrofuranHCID 27565662-Amino-4,4,4-trifluorobutanoic acid hydrochlorideHCID 4148881Lithium borohydride

生成物 1

HCID 534164332-Amino-4,4,4-trifluorobutan-1-ol

試薬・触媒・溶媒 1

HCID 887Methanol溶媒

実験手順

0.32 ml of lithium borohydride (2 M in THF, 0.65 mmol, 2.5 equivalents) were initially charged in 0.5 ml of abs. THF, 0.16 ml of chlorotrimethylsilane (1.28 mmol, 5 equivalents) were added at RT and the mixture was stirred at RT for 5 min. 50 mg of 2-amino-4,4,4-trifluorobutanoic acid hydrochloride (0.26 mmol, 1 equivalent) were then added a little at a time, and the reaction mixture was stirred at RT overnight. 0.5 ml of methanol was added, and the mixture was then concentrated. 0.6 ml of a 20% strength solution of potassium hydroxide was then added, and the mixture was extracted three times with dichloromethane. The combined organic phases were dried over sodium sulphate, filtered and concentrated. This gave 33 mg of the title compound (88% of theory).

後処理

  1. stirringthe reaction mixture was stirred at RT overnight
  2. concentrationthe mixture was then concentrated
  3. addition0.6 ml of a 20% strength solution of potassium hydroxide was then added
  4. extractionthe mixture was extracted three times with dichloromethane
  5. dry with materialThe combined organic phases were dried over sodium sulphate
  6. filtrationfiltered
  7. concentrationconcentrated

出典と根拠

ORDレコード
ord-1d29880ad4d4428fa5e3d163a6fee260
出典データセット
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09126998B2

反応ノート

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