Synthesis of Conformationally Restricted 2,3-Diarylbenzo[b]furan by the Pd-Catalyzed Annulation of o-Alkynylphenols: Exploring a Combinatorial Approach - Youhong Hu; Kenneth J. Nawoschik; Yun Liao; Jian Ma; Reza Fathi; Zhen Yang (Journal of Organic Chemistry, 2004)