A comparison of the benzylic and the allylic group as a donor in the formal [4+2] cycloaddition to tetrahydropyrans using donor-acceptor cyclobutanes

作者：Ahmed Awais; Christie Steven D R^*; Pritchard Gareth J^*

来源：Tetrahedron Letters, 2017, 58(31): 3028-3031.

DOI：10.1016/j.tetlet.2017.06.046

• Cyclobutanes
• Tetrahydropyrans
• Cycloaddition
• Lewis acids

The allyl group was shown to be preferred over the benzyl group as a donor in the formal [4+2]-cyclo-addition reaction between a donor-acceptor cyclobutane and various aldehydes to give tetrahydropyrans.

• 出版日期2017-8-2