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911227-46-8

5-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-PYRIDINE-2-CARBOXYLIC ACID DIETHYLAMIDE synthesis

4synthesis methods
-

Yield:911227-46-8 74%

Reaction Conditions:

Stage #1: bis(pinacol)diboranewith (1,5-cyclooctadiene)(methoxy)iridium(I) dimer;4,4'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2’-bipyridine in hexane at 60; for 0.5 h;Inert atmosphere;Glovebox;Sealed tube;
Stage #2: N,N-diethyl-2-pyridinecarboxamidewith bis(2,6-di-tert-butyl-4-methylphenoxide)methylaluminum in hexane at 20; for 18 h;Sealed tube;

References:

Yang, Lichen;Semba, Kazuhiko;Nakao, Yoshiaki [Angewandte Chemie - International Edition,2017,vol. 56,# 17,p. 4853 - 4857][Angew. Chem.,2017,vol. 129,# 17,p. 4931 - 4935] Location in patent:supporting information

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