Masahiro Kawada

Pyrrolidine-diaminomethylenemalononitrile organocatalyst for Michael additions of carbonyl compounds to nitroalkenes under solvent-free conditions

Kosuke Nakashima, Shin‐ichi Hirashima, Masahiro Kawada et al. · Tetrahedron Letters · 2014 · 37 citations

Natural Sciences, Chemistry, Medicinal Chemistry +9

Asymmetric Conjugate Addition of Phosphonates to Enones Using Cinchona–Diaminomethylenemalononitrile Organocatalysts

Ryoga Arai, Shin‐ichi Hirashima, Tatsuki Nakano et al. · The Journal of Organic Chemistry · 2020 · 33 citations

Natural Sciences, Chemistry, Organometallic Chemistry +8

Cinchona–diaminomethylenemalononitrile organocatalyst for asymmetric conjugate addition of 1,3-diketone to nitroalkene

Shin‐ichi Hirashima, Kosuke Nakashima, Yuki Fujino et al. · Tetrahedron Letters · 2014 · 28 citations

Natural Sciences, Chemistry, Medicinal Chemistry +6

Asymmetric Direct Vinylogous Conjugate Addition of Substituted Furanone Derivatives to Benzoyl Acrylonitrile: Stereoselective Synthesis Toward Bicyclic γ-Lactams

Daiki Ishii, Shin‐ichi Hirashima, Kosuke Nakashima et al. · Organic Letters · 2020 · 28 citations

Pharmacy, Chemistry, Medicinal Chemistry +9

Stereoselective conjugate addition of carbonyl compounds to maleimides using a diaminomethyleneindenedione organocatalyst

Kosuke Nakashima, Masahiro Kawada, Shin‐ichi Hirashima et al. · Tetrahedron Asymmetry · 2016 · 23 citations

Natural Sciences, Chemistry, Medicinal Chemistry +10