Thionyl Chloride → HCID 23149124, compound
Reaction equation
[Br:1][C:2]1[CH:3]=[N:4][N:5]([CH2:7]O)[CH:6]=1.S(Cl)([Cl:11])=O>ClCCl>[ClH:11].[Br:1][C:2]1[CH:3]=[N:4][N:5]([CH2:7][Cl:11])[CH:6]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
2.97 g of 4-bromo-1H-pyrazole-1-ylmethanol was dissolved to 100ml of dichloromethane. 5 ml of thionyl chloride was added to the solution, followed by stirring at room temperature for overnight. The reaction mixture was concentrated under reduced pressure to obtain 3.27 g of 4-bromo-1-(chloromethyl)-1H-pyrazole hydrochloride.
Workup
- concentrationThe reaction mixture was concentrated under reduced pressure
Sources & evidence
- ORD record
- ord-7938914136d04ebb89959247bfe93a59
- Source dataset
- uspto-grants-2009_06
- Patent number
- US07541374B2
Reaction notes
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