Matches in SemOpenAlex for { <https://semopenalex.org/work/W4246794325> ?p ?o ?g. }
- W4246794325 endingPage "4346" @default.
- W4246794325 startingPage "4342" @default.
- W4246794325 abstract "Enantioenriched secondary and tertiary alkyl pinacolboronic esters undergo enantiospecific deborylative alkynylation through a Zweifel-type alkenylation followed by a 1,2-elimination reaction. The process involves use of α-lithio vinyl bromide or vinyl carbamate species, for which application to Zweifel-type reactions has not previously been explored. The resulting functionalized 1,1-disubstituted alkenes undergo facile base-mediated elimination to generate terminal alkyne products in high yield and excellent levels of enantiospecificity over a wide range of pinacolboronic ester substrates. Furthermore, along with terminal alkynes, internal and silyl-protected alkynes can be formed by simply introducing a suitable carbon- or silicon-based electrophile after the base-mediated 1,2-elimination reaction." @default.
- W4246794325 created "2022-05-12" @default.
- W4246794325 creator A5034312697 @default.
- W4246794325 creator A5052381570 @default.
- W4246794325 creator A5078544922 @default.
- W4246794325 creator A5087320814 @default.
- W4246794325 date "2016-03-02" @default.
- W4246794325 modified "2023-10-09" @default.
- W4246794325 title "Enantiospecific Alkynylation of Alkylboronic Esters" @default.
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