Chloroacetyl chloride → 1-(2-Chloroacetyl)-4-(2,3,4,5,6-pentafluorophenoxy)piperidine

HRID 248865Notes

Reaction equation

HRID 248865 reaction equation
[F:1][C:2]1[C:14]([F:15])=[C:13]([F:16])[C:12]([F:17])=[C:11]([F:18])[C:3]=1[O:4][CH:5]1[CH2:10][CH2:9][NH:8][CH2:7][CH2:6]1.C(N(CC)CC)C.[Cl:26][CH2:27][C:28](Cl)=[O:29]>ClCCl>[Cl:26][CH2:27][C:28]([N:8]1[CH2:9][CH2:10][CH:5]([O:4][C:3]2[C:11]([F:18])=[C:12]([F:17])[C:13]([F:16])=[C:14]([F:15])[C:2]=2[F:1])[CH2:6][CH2:7]1)=[O:29]

Participants

5

Reactant 3

HCID 6577Chloroacetyl chlorideHCID 8471TriethylamineHCID 148370404-(2,3,4,5,6-Pentafluorophenoxy)piperidine

Product 1

HCID 197624661-(2-Chloroacetyl)-4-(2,3,4,5,6-pentafluorophenoxy)piperidine

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

A chilled (ice bath temperature) solution of 10.0 g of 4-(2,3,4,5,6-pentafluorophenoxy)piperidine and 5.72 ml of triethylamine in 100 ml of dichloromethane was treated, dropwise, with a solution of 3.26 ml of chloroacetyl chloride in 40 ml of dichloromethane, and then stirred at room temperature for four hours. The reaction mixture was then washed with water followed by a saturated solution of sodium chloride, dried over anhydrous magnesium sulfate, filtered and concentrated to afford 13.35 g of 1-(2-chloroacetyl)-4-(2,3,4,5,6-pentafluorophenoxy)piperidine as an oil.

Workup

  1. additionwas treated
  2. washThe reaction mixture was then washed with water
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-3a782f9a998146a1b2148c9002a870a8
Source dataset
uspto-grants-1993_05
Patent number
US05212184

Reaction notes

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