Key points are not available for this paper at this time.
The Ru(II)-catalyzed 2+2+2 cyclotrimerization of alkynylboronates, propargyl alcohol, and terminal alkynes proceeded chemo- and regioselectively to give rise to arylboronates, which were subjected to Suzuki-Miyaura cross-coupling with aryliodides to afford highly substituted biaryls in 53-76% yields.
Yamamoto et al. (Mon,) studied this question.