Review reveals advances in triarylborane catalysts for organic reductions with diverse hydride donors, highlighting sustainable alternatives to precious-metal systems.
Key Points
Summarize advances from 2016 to 2025 in triarylborane-catalyzed homogeneous reductions across diverse organic reductants, catalyst designs, and reaction mechanisms.
Surveyed progress in triarylborane structural modifications tuning Lewis acidity and steric environment around the boron center.
Evaluated catalytic performance, functional-group tolerance, and stereocontrol across reductant classes including H2, hydrosilanes, Hantzsch esters, and ammonia borane.
Highlighted triarylborane designs that retain high catalytic activity in the presence of Lewis bases such as H2O, CO2, and CO.
Mapped mechanistic frameworks governing reductant activation and stereoselective control with non-metal hydride donors.
Established main-group boron catalysts as sustainable, practical replacements for precious-transition-metal reduction systems.