Diversity in the Synthesis of Functionalized Cyclohexene Oxide Derivatives by a Cycloaddition–Fragmentation Sequence from Benzene Oxide
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https://figshare.com/articles/dataset/Diversity_in_the_Synthesis_of_Functionalized_Cyclohexene_Oxide_Derivatives_by_a_Cycloaddition_Fragmentation_Sequence_from_Benzene_Oxide/22726805
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资源简介:
A cycloaddition–fragmentation sequence from benzene
oxide
and a nitroso- or azo-dienophile was investigated as a tool for access
to highly substituted cyclohexene oxide derivatives. Alkyl lithium-promoted
fragmentation of the cycloadducts led to the cyclic derivatives after
1,4- or 1,2-addition of a second equivalent of the lithium reagent.
New fragmentation processes were observed when using non-nucleophilic
bases of highly hindered alkyl lithium reagents. All reactions proceeded
with complete stereocontrol.
创建时间:
2023-05-01



