... Synlett 2004(14 ... undergo intermolecular σ-bond metathesis with 2 to regenerate 7 with concomitant production of the boronic pinacolate 9 (Scheme [2] ). [14]. ... 1996, 61: 3224; 8 Srebnik has reported the use of (Ph 3 P) 3 RhCl as a catalyst for the hydroboration of representative ...