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Phthalimide DBU Salt
(CAS RN:119812-51-0 Product Number:P1235)


Phthalimide DBU Salt
Synonym DBU Phthalimide Salt
Synonym Phthalimide 1,8-Diazabicyclo[5.4.0]undec-7-ene Salt

General Information

Product Number P1235

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Purity/Analysis Method >98.0%(T)
Storage Temperature
M.F. / M.W. C17H21N3O2=299.37
CAS RN 119812-51-0
Related CAS RN
MDL Number MFCD00191683
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Purity(Nonaqueous Titration) min. 98.0 %


Reaxys-RN 4343711
PubChem SID 87575331


Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :If on skin: Wash with plenty of soap and water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.


Introduction of Phthalimide Group


Experimental procedure:
A solution of 1 (11.0 g, 63.9 mmol) in dichloromethane (50 mL) is added dropwise over a period of 1 h, to a cold (0 °C) solution of 2 (15.0 g, 51.0 mmol) dissolved in dichloromethane (200 mL). After additional 2 h at 0 °C the reaction mixture is washed with ice-cold 1 mol/L H2SO4 (3 x 100 mL) and water (100 mL). After being dried over MgSO4, the solution is concentrated to a yellow oil (14.4 g) at reduced pressure. The oil is further dried on an oil pump after which addition of diethyl ether (200 mL) gives a precipitate of 4 after the solution has been allowed to stand for 3 days at -18 °C. The yield is 3.40 g (21%). The mother liquid is purified by flash chromatography (diethyl ether:hexane = 7:3) to give 3 (6.11 g, 30% yield).


Useful Aminating Reagent


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