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Imidazole → 4-[1-(2-Dimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-6-imidazol-1-yl-2-(2-trimethylsilanylethoxymethyl)-2H-pyridazin-3-one

HRID 12291
ノート
印刷プレビュー

反応式

HRID 12291 の反応式
[O:1]=[C:2]1[N:7]([CH2:8][O:9][CH2:10][CH2:11][Si:12]([CH3:15])([CH3:14])[CH3:13])[N:6]=[C:5](B(O)O)[CH:4]=[C:3]1[C:19]1[N:23]([CH2:24][O:25][CH2:26][CH2:27][Si:28]([CH3:31])([CH3:30])C)[C:22]2[CH:32]=[CH:33][CH:34]=[CH:35][C:21]=2[N:20]=1.[NH:36]1[CH:40]=[CH:39][N:38]=[CH:37]1>N1C=CC=CC=1.O.C([O-])(=O)C.[Cu+2].C([O-])(=O)C>[CH3:30][SiH:28]([CH3:31])[CH2:27][CH2:26][O:25][CH2:24][N:23]1[C:22]2[CH:32]=[CH:33][CH:34]=[CH:35][C:21]=2[N:20]=[C:19]1[C:3]1[C:2](=[O:1])[N:7]([CH2:8][O:9][CH2:10][CH2:11][Si:12]([CH3:14])([CH3:13])[CH3:15])[N:6]=[C:5]([N:36]2[CH:40]=[CH:39][N:38]=[CH:37]2)[CH:4]=1
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 2

HCID 795ImidazoleHCID 686797026-oxo-1-(2-trimethylsilanylethoxymethyl)-5-[1-(2-trimethylsilanyl-ethoxymethyl)-1H-benzimidazol-2-yl]-1,6-dihydropyridazine-3-boronic acid

生成物 1

HCID 1317281464-[1-(2-Dimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-6-imidazol-1-yl-2-(2-trimethylsilanylethoxymethyl)-2H-pyridazin-3-one

試薬・触媒・溶媒 3

HCID 8895Cupric acetate触媒
HCID 962
Water
溶媒
HCID 1049Pyridine溶媒

反応条件

温度
80 °C

実験手順

100 mg of 6-oxo-1-(2-trimethylsilanylethoxymethyl)-5-[1-(2-trimethylsilanyl-ethoxymethyl)-1H-benzimidazol-2-yl]-1,6-dihydropyridazine-3-boronic acid (example 55), 35.5 mg of copper(II) acetate and 20 mg of imidazole are dissolved in dry pyridine, and the solution is stirred at 80° C. for 3 hours. For workup, it is diluted with 20 ml of water and extracted several times with ethyl acetate, the organic phases are dried using a silica gel cartridge, and the volatile components are distilled off. The crude product is purified by preparative RP-HPLC (0-100% acetonitrile (+0.05% formic acid) in water (+0.05% formic acid)).

後処理

  1. extractionextracted several times with ethyl acetate
  2. customthe organic phases are dried
  3. distillationthe volatile components are distilled off
  4. customThe crude product is purified by preparative RP-HPLC (0-100% acetonitrile (+0.05% formic acid) in water (+0.05% formic acid))

出典と根拠

ORDレコード
ord-0b1e3bb90b464aa88133a65f8742aa21
出典データセット
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07727989B2

反応ノート

読み込み中…

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