Pg. Ciattini et al., EFFICIENT SYNTHESIS OF 3-SUBSTITUTED INDOLES BY PALLADIUM-CATALYZED COUPLING REACTION OF 3-TRIBUTYLSTANNYLINDOLES WITH ORGANIC TRIFLATES AND HALIDES, Tetrahedron letters, 35(15), 1994, pp. 2405-2408
The palladium-catalyzed reaction of 1-tosyl-3-tributylstannylindoles 2
with a variety of vinyl, aryl, and heteroaryl triflates and halides (
1) provides a general and efficient method for the synthesis of 3-subs
tituted indoles 3.