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Methanesulfonyl chloride → {3,4-Dichloro-5-[(cyclopropyl{[(1,1-dimethylethyl)oxy]carbonyl}amino)methyl]phenyl}methyl methanesulfonate

HRID 337568
ノート
印刷プレビュー

反応式

HRID 337568 の反応式
[CH:1]1([N:4]([CH2:12][C:13]2[CH:18]=[C:17]([CH2:19][OH:20])[CH:16]=[C:15]([Cl:21])[C:14]=2[Cl:22])[C:5](=[O:11])[O:6][C:7]([CH3:10])([CH3:9])[CH3:8])[CH2:3][CH2:2]1.CCN(C(C)C)C(C)C.[CH3:32][S:33](Cl)(=[O:35])=[O:34]>ClCCl.CCOCC>[CH3:32][S:33]([O:20][CH2:19][C:17]1[CH:18]=[C:13]([CH2:12][N:4]([CH:1]2[CH2:3][CH2:2]2)[C:5]([O:6][C:7]([CH3:9])([CH3:10])[CH3:8])=[O:11])[C:14]([Cl:22])=[C:15]([Cl:21])[CH:16]=1)(=[O:35])=[O:34]
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 3

HCID 31297Methanesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 668961381,1-Dimethylethyl cyclopropyl{[2,3-dichloro-5-(hydroxymethyl)phenyl]methyl}carbamate

生成物 1

HCID 86651664{3,4-Dichloro-5-[(cyclopropyl{[(1,1-dimethylethyl)oxy]carbonyl}amino)methyl]phenyl}methyl methanesulfonate

試薬・触媒・溶媒 2

HCID 3283Diethyl Ether溶媒
HCID 6344
Dichloromethane
溶媒

反応条件

温度
0 °C

実験手順

To a solution of 1,1-dimethylethyl cyclopropyl{[2,3-dichloro-5-(hydroxymethyl)phenyl]methyl}carbamate (1 eq.) from the previous step in dichloromethane (0.1 M) was added sequentially at 0 Hunig's base (3 eq.) and methanesulfonyl chloride (1.1 eq.). The resulting solution was stirred at 0° C. for 30 min and then at RT for 15 min. The reaction mixture was then diluted with ether and carefully quenched with 1 N aq. HCl. The aqueous layer was separated and back-extracted with ether. The combined organic extracts were washed further with water and brine, dried over Na2SO4, filtered and the filtrate concentrated in vacuo to afford the crude title compound as a colorless oil.

後処理

  1. waitat RT for 15 min
  2. customcarefully quenched with 1 N aq. HCl
  3. customThe aqueous layer was separated
  4. extractionback-extracted with ether
  5. washThe combined organic extracts were washed further with water and brine
  6. dry with materialdried over Na2SO4
  7. filtrationfiltered
  8. concentrationthe filtrate concentrated in vacuo

出典と根拠

ORDレコード
ord-d7101ec58c7d4660b1084fe09efc01e5
出典データセット
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08889714B2

反応ノート

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