Dichloromethane → HCID 67067092, compound

HRID 605814Notes

Reaction equation

HRID 605814 reaction equation
[C:1]1([S:7](Cl)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.ClCCl.Cl.Cl.[N:16]1([C:22]([O:24][C:25]2[CH:26]=[N:27][CH:28]=[CH:29][CH:30]=2)=[O:23])[CH2:21][CH2:20][NH:19][CH2:18][CH2:17]1>C(Cl)(Cl)Cl>[C:1]1([S:7]([N:19]2[CH2:20][CH2:21][N:16]([C:22]([O:24][C:25]3[CH:26]=[N:27][CH:28]=[CH:29][CH:30]=3)=[O:23])[CH2:17][CH2:18]2)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1

Participants

5

Reactant 3

HCID 6344DichloromethaneHCID 7369Benzenesulfonyl chlorideHCID 67067109HCID 67067109, compound

Product 1

HCID 67067092HCID 67067092, compound

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

TEA (0.23 ml) and benzenesulfonyl chloride (0.075 ml) were added to a dichloromethane (5 ml) solution containing 3-pyridyl 1-piperazinecarboxylate dihydrochloride (150 mg), followed by stirring overnight at room temperature. The reaction solution was diluted with chloroform, the organic layer was washed with aqueous saturated sodium hydrogencarbonate solution, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, the residue was purified by silica gel column chromatography (eluent: chloroform), and the resulting solid was recrystallized from 2-propanol to obtain 3-pyridyl 4-(phenylsulfonyl)-1-piperazinecarboxylate (130 mg).

Workup

  1. washthe organic layer was washed with aqueous saturated sodium hydrogencarbonate solution
  2. dry with materialdried over anhydrous magnesium sulfate
  3. customThe solvent was evaporated under reduced pressure
  4. customthe residue was purified by silica gel column chromatography (eluent: chloroform)
  5. customthe resulting solid was recrystallized from 2-propanol

Sources & evidence

ORD record
ord-061a3ed0204d41ed80b79cc78b0705dd
Source dataset
uspto-grants-2011_03
Patent number
US07915261B2

Reaction notes

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