3.5 Hydrogen-Borrowing Reactions
Apart from ADC reactions where hydrogen is extruded during the reaction,
hydrogen-borrowing (HB) or hydrogen autotransfer (HAT) offers an interesting
alternative in the utilization of alcohols as alkylation agents. Within this concept
Scheme 35 Functionalization of aromatic compounds catalyzed by Mn2
Scheme 36 Synthesis of pyrazines and quinoxalines catalyzed by Mn27
Scheme 37 Synthesis of various heterocycles catalyzed by Mn29 and Mn29’
The Role of Metal-Ligand Cooperation in Manganese(I)-Catalyzed. . .
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