Ga(OTf) 3 Catalyzed Highly Efficient Substitution Reaction of 3-Hydroxyoxindoles Using TMSN 3
Yin Xiaoping, Xu Pengwei, Dong Kun, Liao Kui, Zhou Feng, Zhou Jian
Acta Chim. Sinica . 2015, (7): 685 -689 .  DOI: 10.6023/A15040235