A Lewis acid-catalyzed formal [3 + 3] cycloaddition of alpha,beta-unsaturated aldehydes with 4-hydroxy-2-pyrone, diketones, and vinylogous esters.
[reaction: see text] A Lewis acid-catalyzed formal cycloaddition of alpha,beta-unsaturated aldehydes with 6-methyl-4-hydroxy-2-pyrone, 1,3-diketones, and vinylogous silyl esters is described here.
Kurdyumov
Aleksey V
AV
Department of Chemistry, University of Minnesota, Minneapolis, 55455, USA.
Lin
Nan
N
Hsung
Richard P
RP
Gullickson
Glen C
GC
Cole
Kevin P
KP
Sydorenko
Nadiya
N
Swidorski
Jacob J
JJ
D000447:Aldehydes / Q000737:chemistry*; D002384:Catalysis; D003500:Cyclization; D004952:Esters; D007202:Indicators and Reagents; D007659:Ketones / Q000737:chemistry*; D015394:Molecular Structure; D011714:Pyrans / Q000138:chemical synthesis* / Q000737:chemistry; D011753:Pyrones / Q000737:chemistry*; D013237:Stereoisomerism; D014753:Vinyl Compounds / Q000737:chemistry*
D000447:Aldehydes; D004952:Esters; D007202:Indicators and Reagents; D007659:Ketones; D011714:Pyrans; D011753:Pyrones; D014753:Vinyl Compounds