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Hydrochloric Acid → Ethyl[4-[2-(5-cyano-2-hydroxybenzenesulfonylamino)ethyl]-2'-methanesulfonyl-biphenyl-3-yloxy]acetate

HRID 1272430
ノート
印刷プレビュー

反応式

HRID 1272430 の反応式
[C:1]([C:3]1[CH:4]=[CH:5][C:6]([O:38]C)=[C:7]([S:9]([NH:12][CH2:13][CH2:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=3[S:27]([CH3:30])(=[O:29])=[O:28])=[CH:17][C:16]=2[O:31][CH2:32][C:33]([O:35][CH2:36][CH3:37])=[O:34])(=[O:11])=[O:10])[CH:8]=1)#[N:2].[Cl-].[Li+].C(OCC)(=O)C.Cl>CN(C)C=O.C1(C)C=CC=CC=1>[C:1]([C:3]1[CH:4]=[CH:5][C:6]([OH:38])=[C:7]([S:9]([NH:12][CH2:13][CH2:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=3[S:27]([CH3:30])(=[O:29])=[O:28])=[CH:17][C:16]=2[O:31][CH2:32][C:33]([O:35][CH2:36][CH3:37])=[O:34])(=[O:10])=[O:11])[CH:8]=1)#[N:2]
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

7

反応物 4

HCID 313Hydrochloric AcidHCID 8857Ethyl AcetateHCID 433294Lithium ChlorideHCID 10393283Ethyl [4-[2-(5-cyano-2-methoxybenzenesulfonylamino)ethyl]-2'-methanesulfonyl-biphenyl-3-yloxy]acetate

生成物 1

HCID 12149205Ethyl[4-[2-(5-cyano-2-hydroxybenzenesulfonylamino)ethyl]-2'-methanesulfonyl-biphenyl-3-yloxy]acetate収率 81.4%

試薬・触媒・溶媒

2
HCID 1140Toluene溶媒HCID 6228Dimethylformamide溶媒

反応条件

温度
140 °C

実験手順

To a solution of 4.62 g of ethyl [4-[2-(5-cyano-2-methoxybenzenesulfonylamino)ethyl]-2′-methanesulfonylbiphenyl-3-yloxy]acetate in 40 mL of N,N-dimethylformamide was added 1.03 g of lithium chloride, and the mixture was stirred at 140° C for 2 hours. After being cooled to room temperature, the reaction mixture was poured into a mixture of 60 mL of ethyl acetate, 6 mL of toluene, and 32 mL of 1 mol/L hydrochloric acid. The organic layer was separated, and washed with 1 mol/L hydrochloric acid and brine. The organic layer was dried over anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under reduced pressure, and the residue was purified by column chromatography on aminopropylated silica gel (eluent: acetic acid-ethyl acetate) to give 3.67 g of ethyl [4-[2-(5-cyano-2-hydroxybenzenesulfonylamino)ethyl]-2′-methanesulfonyl-biphenyl-3-yloxy]acetate, colorless and amorphous.

後処理

  1. temperatureAfter being cooled to room temperature
  2. customThe organic layer was separated
  3. washwashed with 1 mol/L hydrochloric acid and brine
  4. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated under reduced pressure
  7. customthe residue was purified by column chromatography on aminopropylated silica gel (eluent: acetic acid-ethyl acetate)

出典と根拠

ORDレコード
ord-5e098b3b5e1542688d9e07effb42623e
出典データセット
uspto-grants-2007_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07208524B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート