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N-(2-(p-bromophenoxy)ethyl)pyrrolidine → [5-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-7-methyl-[1,2,4]triazolo[1,5-a]pyridin-2-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amine

HRID 1971604
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HRID 1971604 반응식
[O:1]1[C:6]2[CH:7]=[CH:8][C:9]([C:11]3[N:16]4[N:17]=[C:18]([NH2:20])[N:19]=[C:15]4[CH:14]=[C:13]([CH3:21])[CH:12]=3)=[CH:10][C:5]=2[O:4][CH2:3][CH2:2]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.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.CC(C)([O-])C.[Na+]>CC(N(C)C)=O.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].O1CCOCC1>[O:1]1[C:6]2[CH:7]=[CH:8][C:9]([C:11]3[N:16]4[N:17]=[C:18]([NH:20][C:23]5[CH:24]=[CH:25][C:26]([O:27][CH2:28][CH2:29][N:30]6[CH2:31][CH2:32][CH2:33][CH2:34]6)=[CH:35][CH:36]=5)[N:19]=[C:15]4[CH:14]=[C:13]([CH3:21])[CH:12]=3)=[CH:10][C:5]=2[O:4][CH2:3][CH2:2]1
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참가 물질

8

반응물 4

HCID 70657N-(2-(p-bromophenoxy)ethyl)pyrrolidineHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 23676156Sodium t-butoxideHCID 595895355-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-7-methyl-[1,2,4]triazolo[1,5-a]pyridin-2-ylamine

생성물 1

HCID 59589608[5-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-7-methyl-[1,2,4]triazolo[1,5-a]pyridin-2-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amine

시약·촉매·용매 3

HCID 31374Dimethylacetamide촉매HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 312751,4-Dioxane용매

반응 조건

온도
130 °C

실험 절차

A microwave tube was charged with 5-(2,3-dihydro-benzo[1,4]dioxin-6-yl)-7-methyl-[1,2,4]triazolo[1,5-a]pyridin-2-ylamine (50 mg, 0.177 mmol), 1-[2-(4-bromophenoxy)ethyl]pyrrolidine (0.05 ml, 0.23 mmol), tris(dibenzylideneacetone)dipalladium (8 mg. 0.009 mmol), Xantphos (10 mg, 0.018 mmol), sodium tert butoxide (35 mg, 0.354 mmol) and dioxane (1 ml). Dimethylacetamide (2 drops) was added to assist with microwave absorption. The mixture was heated at 130° C. for 15 min. Upon cooling the reaction mixture was filtered through a plug of silica and washed with methanol. The volatiles were removed in vacuo and the product was purified by preparatory HPLC. LCMS RT: 2.67 min, MI: 472, Method: 2. 1H NMR (DMSO, 300 MHz): 1.79 (m, 4H), 2.42 (s, 3H), 2.85 (m, 4H), 3.08 (t, 2H), 4.09 (t, 2H), 4.33 (brs, 4H), 6.89 (d, 2H), 7.00 (d, 1H), 7.04 (d, 2H), 7.29 (s, 1H), 7.60 (m, 3H), 7.65 (d, 2H), 9.36 (s, 1H).

후처리

  1. customto assist with microwave absorption
  2. temperatureUpon cooling the reaction mixture
  3. filtrationwas filtered through a plug of silica
  4. washwashed with methanol
  5. customThe volatiles were removed in vacuo
  6. customthe product was purified by preparatory HPLC

출처 및 근거

ORD 기록
ord-11e6a9b0432249baa1be9eefa752552b
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08431596B2

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