Interesting Behavior of α,β-Unsaturated Oximes in Intramolecular [4 + 2] Cycloaddition Reactions
作者:David François、Amy Maden、William V. Murray
DOI:10.1021/ol049640n
日期:2004.6.1
[structure: see text] Intramolecular [4 + 2] cycloaddition using alpha,beta-unsaturated oximes was explored. The reactions proceeded under unusually facile conditions to furnish the nitrones. The latter were subsequently reacted with DMAD to afford [3 + 2] cycloaddition products.