Yb(OTf)3-Catalyzed
One-Pot Synthesis of Quinazolin-4(3H)-ones
from Anthranilic Acid, Amines and Ortho Esters (or Formic
Acid) in Solvent-Free Conditions
Limin Wang*a, Jianjun Xiaa, Fang Qina, Changtao Qianb, Jie Sunb a Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Lu, Shanghai 200237, P. R. China Fax: +86(21)64252288; e-Mail: wanglimin@ecust.edu.cn,
wcathy@china.com; b Laboratory of Organometallic Chemistry, Shanghai
Institute of Organic Chemistry, Chinese Academy
of Sciences, 354 Fenglin Lu, Shanghai 200032, P.
R. China