Photochemistry of Aminoketones. X. Preparation and Diastereoselective Photocyclization of N-(β-Benzoylethyl)-N-tosyl-glycinamides
The title compounds 4 were prepared by MICHAEL-like addition of N-tosylglycinamides to phenyl-vinyl-ketone, generated from ω-bromo-propiophenone. 300 nm Irradiation of 4a-c (CO-NH) in benzene and acetone, respectively, causes n,?*-excitation and photocycl
Walther, K.,Kranz, U.,Henning, H.-G.
p. 859 - 870
(2007/10/02)
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