Tetrabutylammonium Fluoride → HCID 59347048、化合物

HRID 1009115ノート

反応式

HRID 1009115 の反応式
[Si]([O:8][CH2:9][C@H:10]1[O:14][C:13]([CH3:16])([CH3:15])[N:12]([C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[C@H:11]1[CH2:24][C:25]1[N:26]=[C:27]([CH3:30])[S:28][CH:29]=1)(C(C)(C)C)(C)C.CCCC[N+](CCCC)(CCCC)CCCC.[F-]>C1COCC1>[OH:8][CH2:9][C@H:10]1[O:14][C:13]([CH3:16])([CH3:15])[N:12]([C:17]([O:19][C:20]([CH3:21])([CH3:22])[CH3:23])=[O:18])[C@H:11]1[CH2:24][C:25]1[N:26]=[C:27]([CH3:30])[S:28][CH:29]=1

参加物

4

反応物 2

HCID 2724141Tetrabutylammonium FluorideHCID 67270237(4S,5S)-tert-butyl 5-((tert-butyldimethylsilyloxy)methyl)-2,2-dimethyl-4-((2-methylthiazol-4-yl)methyl)oxazolidine-3-carboxylate

生成物 1

HCID 59347048HCID 59347048、化合物

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
0 °C

実験手順

(4S,5S)-Tert-butyl 5-((tert-butyldimethylsilyloxy)methyl)-2,2-dimethyl-4-((2-methylthiazol-4-yl)methyl)oxazolidine-3-carboxylate (0.100 g, 0.219 mmol) was dissolved in THF (4 mL) and cooled to 0° C. Next, TBAF (0.547 ml, 0.547 mmol) was added dropwise and the reaction was stirred 1 hr. and then quenched with saturated ammonium chloride and diluted with EtOAc. The layers were separated and the aqueous layer was extracted with ethyl acetate. The combined organic layers were washed with water, brine, dried over sodium sulfate, and concentrated. Purification by column chromatography (2.5:1 Hexanes/EtOAc) afforded the title compound.

後処理

  1. customand then quenched with saturated ammonium chloride
  2. additiondiluted with EtOAc
  3. customThe layers were separated
  4. extractionthe aqueous layer was extracted with ethyl acetate
  5. washThe combined organic layers were washed with water, brine
  6. dry with materialdried over sodium sulfate
  7. concentrationconcentrated
  8. customPurification by column chromatography (2.5:1 Hexanes/EtOAc)

出典と根拠

ORDレコード
ord-bbb5a29cff594c8db6d05236ca08f4c4
出典データセット
uspto-grants-2011_07
特許番号
US07973047B2

反応ノート

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