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Sigma Aldrich Fine Chemicals Biosciences 2 tert Butylimino 2 diethy

Supplier:  Sigma Aldrich Fine Chemicals Biosciences 200255ML

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2-tert-Butylimino-2-diethylamino-13-dimethylperhydro-132-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 (l8-diazabicyclo[5.4.0]undecene).

Catalog No. 50-290-7214


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