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2,6-Di-tert-butyl-4-methylpyridine → 4-(3-Chlorophenyl)-7-ethyl-3-(5-methoxypentyl)-2-phenylpyrrolo[1,2-b]pyridazine

HRID 2250609
ノート
印刷プレビュー

反応式

HRID 2250609 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[C:9]3[N:10]([C:26]([CH2:29][CH3:30])=[CH:27][CH:28]=3)[N:11]=[C:12]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)[C:13]=2[CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][OH:19])[CH:5]=[CH:6][CH:7]=1.F[B-](F)(F)F.[CH3:36][O+](C)C.C(C1C=C(C)C=C(C(C)(C)C)N=1)(C)(C)C>ClCCCl>[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[C:9]3[N:10]([C:26]([CH2:29][CH3:30])=[CH:27][CH:28]=3)[N:11]=[C:12]([C:20]3[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=3)[C:13]=2[CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][O:19][CH3:36])[CH:5]=[CH:6][CH:7]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 988982,6-Di-tert-butyl-4-methylpyridineHCID 2735153Oxonium, trimethyl-, tetrafluoroborate(1-) (1:1)HCID 693088395-[4-(3-Chlorophenyl)-7-ethyl-2-phenylpyrrolo[1,2-b]pyridazin-3-yl]-1-pentanol

生成物 1

HCID 693117044-(3-Chlorophenyl)-7-ethyl-3-(5-methoxypentyl)-2-phenylpyrrolo[1,2-b]pyridazine収率 89.3%

試薬・触媒・溶媒 1

HCID 11
1,2-Dichloroethane
溶媒

実験手順

A mixture of 5-[4-(3-chlorophenyl)-7-ethyl-2-phenylpyrrolo[1,2-b]pyridazin-3-yl]-1-pentanol (65 mg), trimethyloxonium tetrafluoroborate (27.5 mg) and 2,6-di-t-butyl-4-methylpyridine (47.8 mg) in 1,2-dichloroethane (3 mL) was stirred at ambient temperature for 4 hours. The solution was washed with water, 1N hydrochloric acid, water, saturated sodium bicarbonate solution and brine, dried over magnesium sulfate, and evaporated in vacuo. The residue was purified by silica gel column chromatography eluting with a mixture of hexane and ethyl acetate (20:1-5:1) to give 4-(3-chlorophenyl)-7-ethyl-3-(5-methoxypentyl)-2-phenylpyrrolo[1,2-b]pyridazine as an yellow oil (60 mg).

後処理

  1. washThe solution was washed with water, 1N hydrochloric acid, water, saturated sodium bicarbonate solution and brine
  2. dry with materialdried over magnesium sulfate
  3. customevaporated in vacuo
  4. customThe residue was purified by silica gel column chromatography
  5. washeluting with a mixture of hexane and ethyl acetate (20:1-5:1)

出典と根拠

ORDレコード
ord-5e49aeb15a944d04ab493e4aef218c85
出典データセット
uspto-grants-2008_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07317009B2

反応ノート

読み込み中…

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