Tatsuhiro Tokunaga

Modified Guanidines as Potential Chiral Superbases. 2. Preparation of 1,3-Unsubstituted and 1-Substituted 2-Iminoimidazolidine Derivatives and a Related Guanidine by the 2-Chloro-1,3-dimethylimidazolinium Chloride-Induced Cyclization of Thioureas

Toshio Isobe, Keiko Fukuda, Tatsuhiro Tokunaga et al. · The Journal of Organic Chemistry · 2000 · 58 citations

Natural Sciences, Chemistry, Drug Discovery +5

Modified Guanidines as Potential Chiral Superbases. 3. Preparation of 1,4,6-Triazabicyclooctene Systems and 1,4-Disubstituted 2-Iminoimidazolidines by the 2-Chloro-1,3-dimethylimidazolinium Chloride-Induced Cyclization of Guanidines with a Hydroxyethyl Substituent

Toshio Isobe, Keiko Fukuda, Kentaro Yamaguchi et al. · The Journal of Organic Chemistry · 2000 · 51 citations

Natural Sciences, Chemistry, Medicinal Chemistry +5

Confirmation and Characterization of the Hypervalent Sb⋯N Bonding Recognized in Triarylstibanes Bearing an Amino Side Chain by X-Ray, NMR and Theoretical Calculations

Tatsuhiro Tokunaga, Hiroko Seki, Syuji Yasuike et al. · Tetrahedron · 2000 · 41 citations

Natural Sciences, Chemistry, Medicinal Chemistry +17

Direct detection of intramolecular Sb···N nonbonded interaction by 1H–13C and 1H–15N heteronuclear multiple bond correlation spectroscopy

Tatsuhiro Tokunaga, Hiroko Seki, Shuji Yasuike et al. · Tetrahedron Letters · 2000 · 41 citations

Natural Sciences, Chemistry, Physics +7

Quinolactacins A, B and C. Novel Quinolone Compounds from Penicillium sp. EPF-6. II. Physico-chemical Properties and Structure Elucidation.

Senji Takahashi, NORIHIRO KAKINUMA, Hiroki Iwai et al. · The Journal of Antibiotics · 2000 · 39 citations · Full text

Pharmacy, Chemistry, Medicinal Chemistry +7