Synthesis of 10B-enriched 2,1-borazaronaphthalenes from o-aminostyrenes and 10BF3

Herein we present a practical approach for preparing 10 B-enriched 2,1-borazaronaphthalenes from o -aminostyrenes and 10 BF 3 (the primary source of boron-10) in the presence of chlorosilane.