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Potassium Carbonate → HCID 86696394, compound

HRID 870691
Notes
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Reaction equation

HRID 870691 reaction equation
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.CC1(C)C(C)(C)OB([C:24]2[CH:25]=[C:26]3[C:31](=[CH:32][CH:33]=2)[CH:30]=[N:29][CH:28]=[CH:27]3)O1.C([O-])([O-])=O.[K+].[K+]>CC#N.O.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH2:12]([NH:11][C:8]1[CH:9]=[CH:10][C:5]2[N:6]([C:2]([C:24]3[CH:25]=[C:26]4[C:31](=[CH:32][CH:33]=3)[CH:30]=[N:29][CH:28]=[CH:27]4)=[CH:3][N:4]=2)[N:7]=1)[CH2:13][CH2:14][CH3:15]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 11430Potassium CarbonateHCID 161026956-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinolineHCID 866963223-Bromo-6-(butylamino)imidazo[1,2-b]pyridazine

Product 1

HCID 86696394HCID 86696394, compoundYield 68.8%

Reagents, catalysts & solvents 2

HCID 178418476
HCID 178418476, compound
Catalyst
HCID 18373917Acetonitrile--water (1/1)Solvent

Conditions

Temperature
150 °C

Procedure

A mixture of (3-bromo-imidazo[1,2-b]pyridazin-6-yl)-butyl-amine (100 mg, 0.37 mmol), 6-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-isoquinoline (from part A, ˜1 mmol), K2CO3 (153 mg, 1.11 mmol) and dichlorobis(triphenylphosphine)palladium(II) (13 mg, 0.019 mmol) in MeCN/water (4 ml/1 ml) was heated in a microwave at 150° C. for 15 min. The water layer was removed and the reaction mixture was diluted with MeCN (3 ml) and filtered. The filtrate was subjected to preparative HPLC to give the titled compound (80.8 mg). 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 1.03 (t, J=7.33 Hz, 3H) 1.53 (dq, J=14.97, 7.39 Hz, 2H) 1.74-1.81 (m, 2H) 3.48-3.54 (m, 2H) 4.58 (t, J=5.05 Hz, 1H) 6.54 (d, J=9.60 Hz, 1H) 7.68 (d, J=5.56 Hz, 1H) 7.75 (d, J=9.60 Hz, 1H) 8.01-8.05 (m, 2H) 8.25 (dd, J=8.72, 1.64 Hz, 1H) 8.55 (d, J=5.81 Hz, 1H) 8.86 (s, 1H) 9.25 (s, 1H). LRMS (ESI) m/z 318.2 [(M+H)]+, calc'd for C19H19N5: 317.40.

Workup

  1. customThe water layer was removed
  2. additionthe reaction mixture was diluted with MeCN (3 ml)
  3. filtrationfiltered

Sources & evidence

ORD record
ord-0ffca20628a94011b35057cf30cb9520
Source dataset
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08969565B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes