Ethyl chloroformate → N-butyl-N-ethoxycarbonyl-2,2,6,6-tetramethyl-4-piperidylamine

HRID 615900Notes

Reaction equation

HRID 615900 reaction equation
[CH2:1]([NH:5][CH:6]1[CH2:11][C:10]([CH3:13])([CH3:12])[NH:9][C:8]([CH3:15])([CH3:14])[CH2:7]1)[CH2:2][CH2:3][CH3:4].[C:16](Cl)(=[O:20])[O:17][CH2:18][CH3:19].C([O-])([O-])=O.[K+].[K+]>C1(C)C=CC=CC=1>[CH2:1]([N:5]([CH:6]1[CH2:7][C:8]([CH3:14])([CH3:15])[NH:9][C:10]([CH3:13])([CH3:12])[CH2:11]1)[C:16]([O:17][CH2:18][CH3:19])=[O:20])[CH2:2][CH2:3][CH3:4]

Participants

5

Reactant 3

HCID 10928Ethyl chloroformateHCID 11430Potassium CarbonateHCID 118285n-Butyl-2,2,6,6-tetramethyl-4-piperidinamine

Product 1

HCID 20277466N-butyl-N-ethoxycarbonyl-2,2,6,6-tetramethyl-4-piperidylamine

Reagents, catalysts & solvents 1

HCID 1140TolueneSolvent

Procedure

The N-butyl-N-ethoxycarbonyl-2,2,6,6-tetramethyl-4-piperidylamine is prepared by reacting N-butyl-2,2,6,6-tetramethyl-4-piperidylamine with ethyl chlorocarbonate at 15°-25° C. in toluene in the presence of an aqueous solution of K2CO3. The product obtained, which is 99.2% pure, is employed directly, without any purification.

Workup

  1. customat 15°-25° C.
  2. customThe product obtained
  3. customis employed directly, without any purification

Sources & evidence

ORD record
ord-190c9f366ea04bfcaefbc0035ac65f8a
Source dataset
uspto-grants-1985_02
Patent number
US04501837

Reaction notes

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