Proline-catalyzed asymmetric Diels-Alder reactions of an o-quinodimethane
Catalytic asymmetric Diels-Alder reaction of α-amino-o-quinodimethane with α,β-unsaturated aldehydes was achieved with high diastereo- and enantioselectivities in the presence of l-proline, which acts as a promoter to generate the quinodimethane from the corresponding precursor as well as a chiral catalyst for the enantioselective Diels-Alder reaction.
Shirakawa, Hidenori,Sano, Hiroshi
p. 4095 - 4097
(2014/07/22)
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