Showing papers by "Masanori Yoshida published in 2010"
TL;DR: The addition of aldehydes to nitroalkenes was successfully carried out by asymmetric catalysis with L-phenylalanine lithium salt, giving gamma-nitroaldehydes in good yields with high enantioselectivity.
Abstract: Enantioselective Michael addition of aldehydes to nitroalkenes was successfully carried out by asymmetric catalysis with L-phenylalanine lithium salt, giving γ-nitroaldehydes in good yields with high enantioselectivity.
40 citations
TL;DR: In this article, a simple primary amino acid was found to be an efficient catalyst for the thio-Michael addition of benzyl mercaptan to cyclic enones, which was used for the first time.
21 citations
TL;DR: In this article, a simple primary amino acid was found to be an efficient catalyst for the thio-Michael addition of benzyl mercaptan to cyclic enones, which was used for the first time.
Abstract: A simple primary amino acid was found to be an efficient catalyst for thio-Michael addition of benzyl mercaptan to cyclic enones.
2 citations
TL;DR: In this paper, the addition of aldehydes to various aromatic nitroalkenes is successfully carried out by the present new procedure catalyzed by L-phenylalanine lithium salt, affording γ-nitroaldehydes in good yields and high enantioselectivities.
Abstract: Enantioselective Michael addition of aldehydes to various aromatic nitroalkenes is successfully carried out by the present new procedure catalyzed by L-phenylalanine lithium salt, affording γ-nitroaldehydes in good yields and high enantioselectivities.
2 citations
TL;DR: Siloxy amino acid lithium salt, O - tert -butyldiphenylsilyl l -serine lithium salt was found to be an effective catalyst for the asymmetric Michael addition reaction of malonates to enones as mentioned in this paper.
Abstract: Siloxy amino acid lithium salt, O - tert -butyldiphenylsilyl l -serine lithium salt, was found to be an effective catalyst for the asymmetric Michael addition reaction of malonates to enones.
1 citations