“…(9)) [150]. A variety of heteroaryl boronic acid derivatives were used such as, haloimidazolyl [151], 2-and 3-thiophenyl [152] in a synthesis of rebeccamycin analogs [153], 3-pyridyl [154], 5-pyrimidyl [155], 1,4,5,6-tetrahydropyridyl [156], 2-indolyl [157] and 3-furyl [158]. A ferrocenyl boronic acid reagent was coupled with a 1-iodonaphthalene [17].…”