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  7. Sigma Aldrich 2-Tert-Butylimino-2-Diethylamino-1,3-Dimethylperhydro-1,3,2-Diazaphosphorine 

Sigma Aldrich 2-Tert-Butylimino-2-Diethylamino-1,3-Dimethylperhydro-1,3,2-Diazaphosphorine

Catalog No. 200255ML Shop All MilliporeSigma Sigma Organic Chemistry Products
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Description

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

2-tert-Butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine (BEMP) is a phosphazene base. BEMP participates in the mild base catalyzed nucleophilic ring opening of N-sulfonyl aziridines. BEMP supported on polystyrene (PS-BEMP) has been reported as an efficient catalyst for the ring-opening of epoxides with phenols. BEMP is about 2000 times more basic and also much more sterically hindered than DBU (l,8-diazabicyclo[5.4.0]undecene).Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen-Bases

Specifications

CAS 98015-45-3
Density 0.948 g/mL at 25°C
Boiling Point 74°C (0.03 mmHg, lit.)
Molecular Formula C13H31N4P
Linear Formula C13H31N4P
Refractive Index n20/D 1.477; n20/D 1.477
Quantity 5 mL
MDL Number MFCD00043143
Synonym BEMP
Molecular Weight (g/mol) 274.39 g/mol
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