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7-Bromo-4-(2-(6-methylpyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)quinoline → 4-[2-(6-Methyl-pyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl]-7-vinyl-quinoline

HRID 8253
Notes
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Reaction equation

HRID 8253 reaction equation
Br[C:2]1[CH:11]=[C:10]2[C:5]([C:6]([C:12]3[C:16]([C:17]4[CH:22]=[CH:21][CH:20]=[C:19]([CH3:23])[N:18]=4)=[N:15][N:14]4[CH2:24][CH2:25][CH2:26][C:13]=34)=[CH:7][CH:8]=[N:9]2)=[CH:4][CH:3]=1.[CH2:27](C([Sn])=C(CCCC)CCCC)[CH2:28]CC>C1(C)C=CC=CC=1.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>[CH3:23][C:19]1[N:18]=[C:17]([C:16]2[C:12]([C:6]3[C:5]4[C:10](=[CH:11][C:2]([CH:27]=[CH2:28])=[CH:3][CH:4]=4)[N:9]=[CH:8][CH:7]=3)=[C:13]3[CH2:26][CH2:25][CH2:24][N:14]3[N:15]=2)[CH:22]=[CH:21][CH:20]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 219925227-Bromo-4-(2-(6-methylpyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)quinolineHCID 53438229Tri(butyl)vinyltin

Product 1

HCID 102916194-[2-(6-Methyl-pyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl]-7-vinyl-quinoline

Reagents, catalysts & solvents 2

HCID 178418476HCID 178418476, compoundCatalyst
HCID 1140
Toluene
Solvent

Conditions

Temperature
90 °C

Procedure

Nitrogen is bubbled through a solution of 7-bromo-4-[2-(6-methyl-pyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl]-quinoline (0.050 g, 0.14 mmol) and tributylvinyltin (0.079 mL, 0.22 mmol) in toluene (2.0 mL) for 20 min. Pd(PPh3)2Cl2 is added and nitrogen bubbled through the reaction mixture for another 10 min. The mixture is heated to 90° C. for 24 h, concentrated in vacuo, and the residue chromatographed on SiO2 (elute with 2% methanol in methylene choloride) to yield the title compound, 0.030 g (61%), as a yellowish solid.

Workup

  1. customnitrogen bubbled through the reaction mixture for another 10 min
  2. concentrationconcentrated in vacuo
  3. customthe residue chromatographed on SiO2 (elute with 2% methanol in methylene choloride)

Sources & evidence

ORD record
ord-c897dfbfc774455391dabcde64d6a518
Source dataset
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07087626B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes