The aldol reaction represents an important class of atom-economic carbon-carbon bond-forming reactions vital to modern organic synthesis. Despite the attention this reaction has received, issues related to chemo- and regioselectivity as well as reactivity of readily enolizable electrophiles remain. To help overcome these limitations, a new direct approach toward aldol products that does not rely upon carbonyl substrates is described. This approach employs room-temperature contemporaneous lanthanum/vanadium dual catalysis, whereby a vanadium-catalyzed 1,3-transposition of allenols is coupled with a lanthanum-catalyzed Meinwald rearrangement of epoxides in situ to directly form aldol products.
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Details
Title
Contemporaneous Dual Catalysis
Publication Details
Chemistry : a European journal, Vol.21(43), pp.15108-15112
Resource Type
Journal article
Publisher
Wiley
Number of pages
5
Grant note
CHE-1360634 / NSF; National Science Foundation (NSF)