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Methanesulfonyl chloride → (4S,5R)-tert-butyl 4-(fluoromethyl)-2,2-dimethyl-5-(4-(3-(methylsulfonamido-methyl)isoxazol-5-yl)phenyl)oxazolidine-3-carboxylate

HRID 1487547
ノート
印刷プレビュー

反応式

HRID 1487547 の反応式
[NH2:1][CH2:2][C:3]1[CH:7]=[C:6]([C:8]2[CH:13]=[CH:12][C:11]([C@H:14]3[O:18][C:17]([CH3:20])([CH3:19])[N:16]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[C@@H:15]3[CH2:28][F:29])=[CH:10][CH:9]=2)[O:5][N:4]=1.[S:30](Cl)([CH3:33])(=[O:32])=[O:31].C(N(C(C)C)CC)(C)C>C(Cl)Cl>[F:29][CH2:28][C@@H:15]1[C@@H:14]([C:11]2[CH:10]=[CH:9][C:8]([C:6]3[O:5][N:4]=[C:3]([CH2:2][NH:1][S:30]([CH3:33])(=[O:32])=[O:31])[CH:7]=3)=[CH:13][CH:12]=2)[O:18][C:17]([CH3:19])([CH3:20])[N:16]1[C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22]
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

5

反応物 3

HCID 31297Methanesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 86695497(4S,5R)-tert-butyl 5-(4-(3-(aminomethyl)isoxazol-5-yl)phenyl)-4-(fluoromethyl)-2,2-dimethyloxazolidine-3-carboxylate

生成物 1

HCID 86695500(4S,5R)-tert-butyl 4-(fluoromethyl)-2,2-dimethyl-5-(4-(3-(methylsulfonamido-methyl)isoxazol-5-yl)phenyl)oxazolidine-3-carboxylate収率 97.1%

試薬・触媒・溶媒 1

HCID 6344
Dichloromethane
溶媒

反応条件

温度
0 °C

実験手順

To a methylene chloride (10 ml) solution of (4S,5R)-tert-butyl 5-(4-(3-(aminomethyl)isoxazol-5-yl)phenyl)-4-(fluoromethyl)-2,2-dimethyloxazolidine-3-carboxylate (270 mg, 0.66 mmol) that had been cooled to 0° C. is added mesyl chloride (83 mg, 0.73 mmol) and diisopropylethylamine (94 mg, 0.73 mmol) sequentially. The reaction is stirred at 0° C. for thirty minutes then quenched with water (2 ml). The quenched reaction is stirred for thirty minutes at room temperature. The organic phase is dried over sodium sulfate and concentrated to give the title compound (310 mg): m/z (CI) 484 ([M+H]+.

後処理

  1. customthen quenched with water (2 ml)
  2. customThe quenched reaction
  3. stirringis stirred for thirty minutes at room temperature
  4. dry with materialThe organic phase is dried over sodium sulfate
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-25e3cade65224738a765ff45933b522f
出典データセット
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09428528B2

反応ノート

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