参考标题:An Efficient Synthesis Of Dihydro- And Tetrahydropyrans Via Oxonium-Ene Cyclization Reaction 作者:Somasekhar Bondalapati,Udagandla C. Reddy,Pipas Saha,Anil K. Saikia 摘要:An Efficient Method Has Been Developed For The Synthesis Of 2,3-Dihydropyrans And 4-Methylenetetrahydropyrans From Aldehydes And Substituted Homoallyl Alcohols In Benzene Mediated By Boron Trifluoride Etherate In Good Yields. The Reaction Proceeds Viaoxonium-Ene Reaction.
合成参考文献
摘要:Inoue, M.; Yamashita, S., Science of Synthesis, (2008) 37, 598.