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1,2-Dimethoxyethane → 6-(6-butylamino-imidazo[1,2-b]pyridazin-3-yl)-3,4-dihydro-2H-isoquinolin-1-one

HRID 870648
ノート
印刷プレビュー

反応式

HRID 870648 の反応式
Br[C:2]1[N:6]2[N:7]=[C:8]([NH:11][CH2:12][CH2:13][CH2:14][CH3:15])[CH:9]=[CH:10][C:5]2=[N:4][CH:3]=1.[O:16]=[C:17]1[C:26]2[C:21](=[CH:22][C:23](B(O)O)=[CH:24][CH:25]=2)[CH2:20][CH2:19][NH:18]1.P([O-])([O-])([O-])=O.[K+].[K+].[K+].COCCOC>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].O>[CH2:12]([NH:11][C:8]1[CH:9]=[CH:10][C:5]2[N:6]([C:2]([C:23]3[CH:22]=[C:21]4[C:26](=[CH:25][CH:24]=3)[C:17](=[O:16])[NH:18][CH2:19][CH2:20]4)=[CH:3][N:4]=2)[N:7]=1)[CH2:13][CH2:14][CH3:15]
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 80711,2-DimethoxyethaneHCID 62657Potassium Phosphate, TribasicHCID 49835905(1-Oxo-1,2,3,4-tetrahydroisoquinolin-6-yl)boronic acidHCID 866963223-Bromo-6-(butylamino)imidazo[1,2-b]pyridazine

生成物 1

HCID 866963446-(6-butylamino-imidazo[1,2-b]pyridazin-3-yl)-3,4-dihydro-2H-isoquinolin-1-one収率 44%

試薬・触媒・溶媒 2

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)触媒
HCID 962Water溶媒

反応条件

温度
160 °C

実験手順

A mixture of 3-bromo-N-butylimidazo[1,2-b]pyridazin-6-amine (160 mg, 0.61 mmol), (1-oxo-1,2,3,4-tetrahydroisoquinolin-6-yl)boronic acid (200 mg, 0.73 mmol), dichloro[1,1′-bis(diphenylphosphino)ferrocene]palladium (II) dichloromethane adduct (50 mg, 0.06 mmol), potassium phosphate (250 mg, 1.2 mmol), DME (1.5 mL) and H2O (0.5 mL) was heated in a sealed conical vessel at 160° C. for 360 s by microwave irradiation. The organic layer was separated and the aqueous layer was extracted with ethyl acetate (2 mL). The combined organic layers were concentrated under reduced pressure to afford an oil that was purified by reverse phase HPLC to afford 6-(6-butylamino-imidazo[1,2-b]pyridazin-3-yl)-3,4-dihydro-2H-isoquinolin-1-one (90 mg, 44%) as a white solid: 1H NMR (400 MHz, METHANOL-d4) δ ppm 8.11-8.20 (m, 2H), 7.94 (d, J=8.2 Hz, 1H), 7.84 (s, 1H), 7.57 (d, J=9.7 Hz, 1H), 6.67 (d, J=9.7 Hz, 1H), 3.50 (t, J=6.7 Hz, 2H), 3.34 (t, J=7.2 Hz, 2H), 3.00 (t, J=6.6 Hz, 2H), 1.60-1.75 (m, 2H), 1.36-1.50 (m, 2H), 0.95 (t, J=7.4 Hz, 3H); LCMS (ESI) m/e 336.2 [(M+H)+, calcd for C19H22N6O 336.2].

後処理

  1. customThe organic layer was separated
  2. extractionthe aqueous layer was extracted with ethyl acetate (2 mL)
  3. concentrationThe combined organic layers were concentrated under reduced pressure
  4. customto afford an oil that
  5. customwas purified by reverse phase HPLC

出典と根拠

ORDレコード
ord-66bc815b85ac429f92cb259ddb4de555
出典データセット
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08969565B2

反応ノート

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