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Hydrochloric Acid → HCID 58204036, compound

HRID 1190460
Notes
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Reaction equation

HRID 1190460 reaction equation
Br[C:2]1[CH:28]=[CH:27][C:5]2[C:6]3[N:7]=[C:8]([C:14]4[N:15]([C:19]5[CH:24]=[CH:23][C:22]([F:25])=[CH:21][C:20]=5[F:26])[N:16]=[CH:17][N:18]=4)[S:9][C:10]=3[CH2:11][CH2:12][O:13][C:4]=2[CH:3]=1.C([O-])(=O)C.[K+].C(#N)C.O.O1CCCCC1[O:44][CH2:45][CH2:46][N:47]1[CH:51]=[C:50](B2OC(C)(C)C(C)(C)O2)[CH:49]=[N:48]1.Cl>C(Cl)Cl.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:26][C:20]1[CH:21]=[C:22]([F:25])[CH:23]=[CH:24][C:19]=1[N:15]1[C:14]([C:8]2[S:9][C:10]3[CH2:11][CH2:12][O:13][C:4]4[CH:3]=[C:2]([C:50]5[CH:49]=[N:48][N:47]([CH2:46][CH2:45][OH:44])[CH:51]=5)[CH:28]=[CH:27][C:5]=4[C:6]=3[N:7]=2)=[N:18][CH:17]=[N:16]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

9

Reactant 6

HCID 313Hydrochloric AcidHCID 962WaterHCID 6342Acetonitrile2×HCID 517044Potassium AcetateHCID 58203877HCID 58203877, compoundHCID 593418191-[2-(oxan-2-yloxy)ethyl]-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Product 1

HCID 58204036
HCID 58204036, compound

Reagents, catalysts & solvents 2

HCID 178418397HCID 178418397, compoundCatalystHCID 6344DichloromethaneSolvent2×

Conditions

Temperature
140 °C

Procedure

To a microwave vial was added 8-Bromo-2-[2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene (0.300 g, 0.000650 mol) and potassium acetate (0.1915 g, 0.001951 mol) in acetonitrile (1 mL, 0.02 mol) and water (2 mL, 0.1 mol). The reaction was thoroughly degassed and purged with N2 for 5 minutes. A solution of 1-[2-(Tetrahydro-pyran-2-yloxy)-ethyl]-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (0.2724 g, 0.0008455 mol) in acetonitrile (1 mL, 0.02 mol) was added, followed by tetrakis(triphenylphosphine)palladium(0) (0.07515 g, 6.504E-5 mol;) and the vial was sealed immediately. The reaction was heated to 140° C. for 20 minutes in the microwave. The mixture was diluted with methylene chloride and filtered through celite. Saturated NH4Cl was added and the mixture was extracted 3 times with methylene chloride. The organic layers were combined, dried with MgSO4 and concentrated. The crude was dissolved in methylene chloride (7 mL, 0.1 mol) and hydrogen chloride (4N in dioxoane, 0.38 mL, 0.001517 mol) was added dropwise. The reaction was stirred at room temperature for 1 hour.

Workup

  1. customThe reaction was thoroughly degassed
  2. custompurged with N2 for 5 minutes
  3. customthe vial was sealed immediately
  4. filtrationfiltered through celite
  5. additionSaturated NH4Cl was added
  6. extractionthe mixture was extracted 3 times with methylene chloride
  7. dry with materialdried with MgSO4
  8. concentrationconcentrated

Sources & evidence

ORD record
ord-e27c16c2f1c7472bb071be73a66d4d50
Source dataset
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08673952B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes