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Binap, (A+-)- → (2S)-4-(2,3-Dihydro-1-benzofuran-7-yl)-1,1,1-trifluoro-4-methyl-2-{[(6-methyl-1-phenyl-1H-indazol-4-yl)amino]methyl}-2-pentanol

HRID 418803
ノート
印刷プレビュー

反応式

HRID 418803 の反応式
[NH2:1][CH2:2][C@@:3]([OH:21])([CH2:8][C:9]([C:12]1[C:20]2[O:19][CH2:18][CH2:17][C:16]=2[CH:15]=[CH:14][CH:13]=1)([CH3:11])[CH3:10])[C:4]([F:7])([F:6])[F:5].Br[C:23]1[CH:31]=[C:30]([CH3:32])[CH:29]=[C:28]2[C:24]=1[CH:25]=[N:26][N:27]2[C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=1.C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.CC(C)([O-])C.[Na+]>C1(C)C=CC=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[O:19]1[C:20]2[C:12]([C:9]([CH3:11])([CH3:10])[CH2:8][C@@:3]([CH2:2][NH:1][C:23]3[CH:31]=[C:30]([CH3:32])[CH:29]=[C:28]4[C:24]=3[CH:25]=[N:26][N:27]4[C:33]3[CH:34]=[CH:35][CH:36]=[CH:37][CH:38]=3)([OH:21])[C:4]([F:6])([F:7])[F:5])=[CH:13][CH:14]=[CH:15][C:16]=2[CH2:17][CH2:18]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

7

反応物 4

HCID 634876Binap, (A+-)-HCID 15605604(2S)-2-(Aminomethyl)-4-(2,3-dihydro-1-benzofuran-7-yl)-1,1,1-trifluoro-4-methyl-2-pentanol2 回HCID 23676156Sodium t-butoxideHCID 576159611h-Indazole,4-bromo-6-methyl-1-phenyl-2 回

生成物 1

HCID 57615959(2S)-4-(2,3-Dihydro-1-benzofuran-7-yl)-1,1,1-trifluoro-4-methyl-2-{[(6-methyl-1-phenyl-1H-indazol-4-yl)amino]methyl}-2-pentanol
収率 28.1%

試薬・触媒・溶媒 2

HCID 9811564Bis(dibenzylideneacetone)palladium触媒HCID 1140Toluene溶媒

反応条件

温度
120 °C

実験手順

To a mixture of (2S)-2-(aminomethyl)-4-(2,3-dihydro-1-benzofuran-7-yl)-1,1,1-trifluoro-4-methyl-2-pentanol (Intermediate 31, 87 mg, 0.3 mmol) and 4-bromo-6-methyl-1-phenyl-1H-indazole (Intermediate 33, 92 mg, 0.32 mmol) in toluene (3.5 mL) were added tris(dibenzylideneacetone)dipalladium(0) (35 mg, 0.04 mmol), racemic-BINAP (28 mg, 0.04 mmol) and sodium tert-butoxide (45 mg, 0.47 mmol). The mixture was heated in a microwave at 120° C. for 15 min and then cooled and partitioned between ethyl acetate (30 mL) and water (20 mL). The organic layer was separated, washed with water (20 mL), passed through a hydrophobic frit and evaporated. The residue was purified by two sequential SPE cartridge purifications eluting with a gradient of ethyl acetate:petroleum:ether (1:6 to 1:4) to give the title compound as a yellow foam (43 mg).

後処理

  1. temperaturecooled
  2. custompartitioned between ethyl acetate (30 mL) and water (20 mL)
  3. customThe organic layer was separated
  4. washwashed with water (20 mL)
  5. customevaporated
  6. customThe residue was purified by two sequential SPE cartridge purifications
  7. washeluting with a gradient of ethyl acetate:petroleum:ether (1:6 to 1:4)

出典と根拠

ORDレコード
ord-07cbd7371bc144a7a4bfbe3e58ce3d6d
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08093281B2

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