Journal of the American Chemical Society p. 4386 - 4399 (1990)
Update date:2022-09-26
Topics: Lewis acid NMR spectroscopy Cyclization Preparation Reaction Optimization Catalyst Screening Gas Chromatography Acetal-alkene Eight-membered cyclic ethers
Blumenkopf, Todd A.
Bratz, Matthias
Casta?eda, Armando
Look, Gary C.
Overman, Larry E.
Rodriguez, Domingo
Thompson, Andrew S.
The Lewis acid promoted cyclization of 20 5-alkenyl acetals is reported. Oxocenes with Δ4 unsaturation (3,6,7,8-tetrahydro-2H-oxocins) can be accessed in this convenient fashion with moderate to excellent efficiency and with perfect regiochemic
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(1990)
