B. Joseph et al., 1-(PHENYLSULFONYL)INDOL-2-YL TRIFLATE - A VERSATILE REAGENT FOR THE SYNTHESIS OF 2-SUBSTITUTED INDOLES, Synthetic communications, 26(17), 1996, pp. 3289-3295
The palladium-catalysed reaction of 1-(phenyl sulfonyl)indol-2-yl trif
late 1 with a variety of aryl and heteroaryl boronic acids 2 or vinyl
tributylstannane 3 provides a general and an efficient method for the
synthesis of 2-substituted indoles 4.