Tin(IV) Chloride Catalyzed Cycloaddition Reactions Jun-ichi Matsuo*, Shun Sasaki, Takaya Hoshikawa and Hiroyuki IshibashiOrg. Lett., 2009, 11 (17), pp 3822–3825

http://pubs.acs.org/doi/abs/10.1021/ol901329c?source=chemport&journalCode=orlef7

pyridones by Reaction
Jun-ichi Matsuo*, Ryohei Okado and Hiroyuki Ishibashi
http://pubs.acs.org/doi/abs/10.1021/ol1012313?source=chemport&journalCode=orlef7

多谢！！！