Masafumi Hirama

A highly enantioselective Diels–Alder reaction of 1,2-dihydropyridine using a simple β-amino alcohol organocatalyst for a practical synthetic methodology of oseltamivir intermediate

Chonticha Suttibut, Yoshihito Kohari, Ko Igarashi et al. · Tetrahedron Letters · 2011 · 44 citations

Enantioselective Diels–alder Reaction, Oseltamivir Intermediate, Practical Synthetic Methodology +7

Asymmetric synthesis of isoquinuclidines by Diels–Alder reaction of 1,2-dihydropyridine utilizing a chiral Lewis acid catalyst

Chigusa Seki, Masafumi Hirama, N D M Romauli et al. · Tetrahedron · 2011 · 30 citations

Engineering, Asymmetric Synthesis, Organic Chemistry +7

An efficient synthesis of chiral isoquinuclidines by Diels–Alder reaction using Lewis acid catalyst

Masafumi Hirama, Yuji Katō, Chigusa Seki et al. · Tetrahedron · 2010 · 25 citations · Full text

Engineering, Organic Chemistry, Catalysis +8

Asymmetric Cycloaddition of 1,2-Dihydropyridine Derivatives in the Presence of Lewis Acids

Masafumi Hirama, Yuji Katō, Chigusa Seki et al. · Chemistry Letters · 2008 · 16 citations

1,2-Dihydropyridine Derivatives, Asymmetric Cycloaddition, Derivative (Chemistry) +14