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Cesium carbonate → [7-(2-Chloro-5-methoxy-phenyl)-6-methyl-benzo[1,2,4]triazin-3-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amine

HRID 273503
ノート
印刷プレビュー

反応式

HRID 273503 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([O:8][CH3:9])=[CH:4][C:3]=1[C:10]1[C:20]([CH3:21])=[CH:19][C:13]2[N:14]=[C:15]([NH2:18])[N:16]=[N:17][C:12]=2[CH:11]=1.Br[C:23]1[CH:36]=[CH:35][C:26]([O:27][CH2:28][CH2:29][N:30]2[CH2:34][CH2:33][CH2:32][CH2:31]2)=[CH:25][CH:24]=1.C([O-])([O-])=O.[Cs+].[Cs+].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>O1CCOCC1.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]>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([O:8][CH3:9])=[CH:4][C:3]=1[C:10]1[C:20]([CH3:21])=[CH:19][C:13]2[N:14]=[C:15]([NH:18][C:23]3[CH:24]=[CH:25][C:26]([O:27][CH2:28][CH2:29][N:30]4[CH2:31][CH2:32][CH2:33][CH2:34]4)=[CH:35][CH:36]=3)[N:16]=[N:17][C:12]=2[CH:11]=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 10796Cesium carbonateHCID 70657N-(2-(p-bromophenoxy)ethyl)pyrrolidineHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 689796617-(2-Chloro-5-methoxy-phenyl)-6-methyl-benzo[1,2,4]triazin-3-ylamine

生成物 1

HCID 59837634[7-(2-Chloro-5-methoxy-phenyl)-6-methyl-benzo[1,2,4]triazin-3-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amine

試薬・触媒・溶媒 2

HCID 9811564Bis(dibenzylideneacetone)palladium触媒HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

7-(2-chloro-5-methoxy-phenyl)-6-methyl-benzo[1,2,4]triazin-3-ylamine (0.67 mmol, 1.0 equiv), 1-[2-(4-bromophenoxy)-ethyl] pyrrolidine (0.005 mmol, 1.5 equiv), Cs2CO3 (2.01 mmol, 3.0 equiv), Pd2(dba)3 (0.067 mmol, 0.1 equiv), and Xantphos (0.134 mmol, 0.2 equiv) were dissolved in 20 mL dioxane, placed under an argon atmosphere and refluxed at 100° C. for 18 h. The reaction was cooled to room temperature and filtered. The filtrate was dissolved in EtOAc, washed with saturated NaHCO3 and brine and organic phase was dried (Na2SO4). The organics were concentrated under reduced pressure to afford residue that was precipitated out using EtOAc/hexanes (1:5 v/v) to give [7-(2 chloro-5-methoxy-phenyl)-6-methyl-benzo[1,2,4]triazin-3-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amine, as an orange solid (271.2 mg, 83% yield). Rf=0.56 (9:1 DCM/MeOH). MS (ES+) m/z=491. LC retention time 2.72 min.

後処理

  1. temperatureThe reaction was cooled to room temperature
  2. filtrationfiltered
  3. dissolutionThe filtrate was dissolved in EtOAc
  4. washwashed with saturated NaHCO3 and brine and organic phase
  5. dry with materialwas dried (Na2SO4)
  6. concentrationThe organics were concentrated under reduced pressure
  7. customto afford residue
  8. customthat was precipitated out

出典と根拠

ORDレコード
ord-9b9cd78048554376944da750711c46d3
出典データセット
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07456176B2

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