Scheme 4.
Strategies involving initial preparation and use of 2-B(pin)-substituted allylboron reagents leads to alternative product isomers or demand the identification and use of a second catalyst, in contrast to the present Cu-catalyzed approach.
Strategies involving initial preparation and use of 2-B(pin)-substituted allylboron reagents leads to alternative product isomers or demand the identification and use of a second catalyst, in contrast to the present Cu-catalyzed approach.