Affiliation:
1. School of Pharmacy, Changzhou University Changzhou Jiangsu 213164 China
2. Department of Chemistry and Biochemistry, Texas Tech University 79409 USA
Abstract
Comprehensive SummaryA general and convenient photoredox‐catalyzed acylation and alkylcyanation of MBH acetates has been established, enabling the assembly of the C(sp2)–C(sp3) bond by a nitrogen‐centered radical strategy for the synthesis of trisubstituted alkenes in moderate to excellent chemical yields (48 examples in total). The reaction of MBH acetates with acyl (indanone) oxime esters afforded trisubstituted alkenes containing 1,4‐dicarbonyl groups. Interestingly, the use of Eosin Y as a photocatalyst in the catalytic system resulted in the formation of distal cyano group‐anchored trisubstituted alkenes via deconstructive functionalization of cycloketone oxime esters. Notably, these resulting 1,4‐dicarbonyl compounds could be applied to late‐stage transformations, providing important methods for the synthesis of dihydropyridazin‐3(2H)‐one.
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2 articles.
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