ChemInform Abstract: Hydroboration. Part 83. Synthesis and Hydroboration of 2‐Ethylapopinene. Comparison of Monoisopinocampheylborane and Its 2‐Ethyl Analogue for the Chiral Hydroboration of Representative Alkenes.

Abstract (‐)‐Nopol (I) is tosylated and then reduced, yielding the chiral ligand 2‐ethylapopinene (III) which reacts with the borane complex (IV) to form the monoalkyl‐ (V) and the dialkylborane (VI).