Shimpei Sugiyama

The Source of “Fairy Rings”: 2‐Azahypoxanthine and its Metabolite Found in a Novel Purine Metabolic Pathway in Plants

Jae‐Hoon Choi, Toshiyuki Ohnishi, Yasuhiro Yamakawa et al. · Angewandte Chemie International Edition · 2014 · 65 citations

Practical synthesis of natural plant-growth regulator 2-azahypoxanthine, its derivatives, and biotin-labeled probes

Kazutada Ikeuchi, Ryosuke Fujii, Shimpei Sugiyama et al. · Organic & Biomolecular Chemistry · 2014 · 35 citations

Asymmetric synthesis of both enantiomers of esters and γ-lactones from optically active 1-chlorovinyl p-tolyl sulfoxides and lithium ester enolates with the formation of a tertiary or a quaternary carbon stereogenic center at the β-position

Shimpei Sugiyama, Tsuyoshi Satoh · Tetrahedron Asymmetry · 2005 · 30 citations

Engineering, Lithium Ester, Asymmetric Synthesis +7

Asymmetric synthesis of cyclic α-amino acid derivatives by the intramolecular reaction of magnesium carbenoid with an N-magnesio arylamine

Shintaro Mitsunaga, Tohru Ohbayashi, Shimpei Sugiyama et al. · Tetrahedron Asymmetry · 2009 · 28 citations

Derivatives, Engineering, Asymmetric Synthesis +9

Brain-Penetrant Tetrahydronaphthalene Thromboxane A2-Prostanoid (TP) Receptor Antagonists as Prototype Therapeutics for Alzheimer’s Disease

James H. Soper, Shimpei Sugiyama, Katie Herbst-Robinson et al. · ACS Chemical Neuroscience · 2012 · 26 citations

Receptor Antagonists, Neurochemical Biomarkers, Peptide Science +25