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Methanol → 2-[2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-benzo[e]azulene-9-carboxylic acid methyl ester

HRID 84649
ノート
印刷プレビュー

反応式

HRID 84649 の反応式
Br[C:2]1[CH:3]=[CH:4][C:5]2[O:14][CH2:13][CH2:12][C:11]3[CH:10]=[C:9]([C:15]4[N:19]([C:20]5[CH:25]=[CH:24][C:23]([F:26])=[CH:22][C:21]=5[F:27])[N:18]=[CH:17][N:16]=4)[S:8][C:7]=3[C:6]=2[CH:28]=1.F[B-](F)(F)F.C(P(CCCC)CCCC)CCC.C[OH:48].N12CCCN=C1CCCCC2.C1[CH2:64][O:63][CH2:62]C1>ClCCl.[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[Mo]>[CH3:62][O:63][C:64]([C:2]1[CH:3]=[CH:4][C:5]2[O:14][CH2:13][CH2:12][C:11]3[CH:10]=[C:9]([C:15]4[N:19]([C:20]5[CH:25]=[CH:24][C:23]([F:26])=[CH:22][C:21]=5[F:27])[N:18]=[CH:17][N:16]=4)[S:8][C:7]=3[C:6]=2[CH:28]=1)=[O:48]
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

8

反応物 5

HCID 887MethanolHCID 8028TetrahydrofuranHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 579004365-(9-bromo-4,5-dihydro-6-oxa-1-thia-benzo[e]azulen-2-yl)-1-(2,4-difluoro-phenyl)-1H-[1,2,4]triazoleHCID 71317416Tributyl phosphine tetrafluoroborate

生成物 1

HCID 66886572
2-[2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-benzo[e]azulene-9-carboxylic acid methyl ester

試薬・触媒・溶媒 2

HCID 98885Molybdenum carbonyl (Mo(CO)6)触媒HCID 6344Dichloromethane溶媒

反応条件

温度
130 °C

実験手順

A mixture of 5-(9-bromo-4,5-dihydro-6-oxa-1-thia-benzo[e]azulen-2-yl)-1-(2,4-difluoro-phenyl)-1H-[1,2,4]triazole (847 mg), molybdenum hexacarbonyl (485 mg), Herman's catalyst (173 mg), tributyl phosphine tetrafluoroborate (106 mg), methanol (8 ml), THF (8 ml), and 1,8-diazabicyclo[5.4.0]undec-7-ene (0.82 mL) was heated in the microwave at 130° C. for 30 minutes. The reaction mixture was cooled, and then diluted with dichloromethane, washed with water, dried (MgSO4) and the solvent removed in vacuo. Purification using flash chromatography yielded the corresponding methyl ester, 2-[2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-benzo[e]azulene-9-carboxylic acid methyl ester. Standard hydrolysis using sodium hydroxide in methanol/THF/water yielded the corresponding carboxylic acid, 2-[2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-benzo[e]azulene-9-carboxylic acid.

後処理

  1. temperatureThe reaction mixture was cooled
  2. washwashed with water
  3. dry with materialdried (MgSO4)
  4. customthe solvent removed in vacuo
  5. customPurification

出典と根拠

ORDレコード
ord-3cff381997144250860a75099f1aee16
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846762B2

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