Tributylphosphine → 3-({3-methoxy-4-[(5-methyl-2-piperidin-1-yl-1,3-thiazol-4-yl)methoxy]benzyl}oxy)-1-phenyl-1H-pyrazole-4-carbaldehyde

HRID 2221889ノート

反応式

HRID 2221889 の反応式
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH2:23][OH:24])[CH:6]=[CH:7][C:8]=1[O:9][CH2:10][C:11]1[N:12]=[C:13]([N:17]2[CH2:22][CH2:21][CH2:20][CH2:19][CH2:18]2)[S:14][C:15]=1[CH3:16].O[C:26]1[C:30]([CH:31]=[O:32])=[CH:29][N:28]([C:33]2[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=2)[N:27]=1.C(P(CCCC)CCCC)CCC.N(C(N1CCCCC1)=O)=NC(N1CCCCC1)=O>O1CCCC1>[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:6]=[CH:7][C:8]=1[O:9][CH2:10][C:11]1[N:12]=[C:13]([N:17]2[CH2:18][CH2:19][CH2:20][CH2:21][CH2:22]2)[S:14][C:15]=1[CH3:16])[CH2:23][O:24][C:26]1[C:30]([CH:31]=[O:32])=[CH:29][N:28]([C:33]2[CH:34]=[CH:35][CH:36]=[CH:37][CH:38]=2)[N:27]=1

参加物

6

実験手順

To a mixture of {3-methoxy-4-[(5-methyl-2-piperidin-1-yl-1,3-thiazol-4-yl)methoxy]phenyl}methanol (0.36 g), 3-hydroxy-1-phenyl-1H-pyrazole-4-carbaldehyde (0.21 g), tributylphosphine (0.30 g) and tetrahydrofuran (50 mL) was added 1,1′-(azodicarbonyl)dipiperidine (0.38 g) at room temperature, and the mixture was stirred for 15 hrs. The precipitated crystals were removed by filtration and the filtrate was concentrated. The residue was subjected to silica gel column chromatography to give 3-({3-methoxy-4-[(5-methyl-2-piperidin-1-yl-1,3-thiazol-4-yl)methoxy]benzyl}oxy)-1-phenyl-1H-pyrazole-4-carbaldehyde as crystals (0.23 g, yield 44%) from a fraction eluted with ethyl acetate-hexane (2:1, v/v). Recrystallization from ethyl acetate-hexane gave colorless prism crystals. melting point: 180-181° C.

後処理

  1. customThe precipitated crystals were removed by filtration
  2. concentrationthe filtrate was concentrated

出典と根拠

ORDレコード
ord-7ba23b19f48b4beb9e57ddf39d09906d
出典データセット
uspto-grants-2008_05
特許番号
US07368578B2

反応ノート

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