4-Amino-2,2,6,6-tetramethylpiperidine → HCID 67504898, compound

HRID 1525516Notes

Reaction equation

HRID 1525516 reaction equation
[N:1]([CH2:4][CH2:5][CH2:6][Si:7]([O:14][CH2:15][CH3:16])([O:11][CH2:12][CH3:13])[O:8][CH2:9][CH3:10])=[C:2]=[O:3].[NH2:17][CH:18]1[CH2:23][C:22]([CH3:25])([CH3:24])[NH:21][C:20]([CH3:27])([CH3:26])[CH2:19]1>ClCCl>[CH3:26][C:20]1([CH3:27])[CH2:19][CH:18]([NH:17][C:2]([NH:1][CH2:4][CH2:5][CH2:6][Si:7]([O:14][CH2:15][CH3:16])([O:8][CH2:9][CH3:10])[O:11][CH2:12][CH3:13])=[O:3])[CH2:23][C:22]([CH3:25])([CH3:24])[NH:21]1

Participants

4

Reactant 2

HCID 375244-Amino-2,2,6,6-tetramethylpiperidineHCID 90613Triethoxy(3-isocyanatopropyl)silane

Product 1

HCID 67504898HCID 67504898, compound

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

59.5 g (0.228 mol) of isocyanatopropyltriethoxysilane were initially charged in 50 ml of dichloromethane (abs.) and admixed with 35.63 g (0.228 mol) of 4-amino-2,2,6,6-tetramethylpiperidine in 30 ml of dichloromethane by dropwise addition at 20-40° C. and stirring for 18 h. Removal of the solvent in vacuo left 97.62 g of N-(2,2,6,6-tetramethyl-4-piperidinyl)-N′-[3-(triethoxysilyl)propyl]urea with residual traces of solvent as a colorless oil. The product was characterized using 1H NMR.

Workup

  1. customRemoval of the solvent in vacuo
  2. waitleft 97.62 g of N-(2,2,6,6-tetramethyl-4-piperidinyl)-N′-[3-(triethoxysilyl)propyl]urea with residual traces of solvent as a colorless oil

Sources & evidence

ORD record
ord-0d36b067d9b149e39ecacaf72cb59e4a
Source dataset
uspto-grants-2015_07
Patent number
US09080259B2

Reaction notes

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