Fig. 6: Mechanistic studies for enantioselective propargylic alkylation. | Nature Communications

Fig. 6: Mechanistic studies for enantioselective propargylic alkylation.

From: Interplay of diruthenium catalyst in controlling enantioselective propargylic substitution reactions with visible light-generated alkyl radicals

Fig. 6

a Formation of the ruthenium–allenylidene complex in the presence of BF3·Et2O. b Stoichiometric reaction of the ruthenium–allenylidene complex with 4-alkyl-dihyropyridine. c Ruthenium–allenylidene complex-catalyzed reaction. d Reaction in the presence of TEMPO.

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