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CAS RN: 119812-51-0 | Product Number: P1235

Phthalimide DBU Salt

Purity: >98.0%(T)
  • Phthalimide 1,8-Diazabicyclo[5.4.0]undec-7-ene Salt
  • DBU Phthalimide Salt
16   ≥20 
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Product Number P1235
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__1__7H__2__1N__3O__2 = 299.37  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 119812-51-0
Reaxys Registry Number 4343711
PubChem Substance ID 87575331
MDL Number


Appearance White to Almost white powder to crystal
Purity(Nonaqueous Titration) min. 98.0 %
Properties (reference)
Melting Point 142 °C
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
Transport Information:
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


PubMed Literature

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