An efficient asymmetric synthesis of allo- and pseudo-7,8-dimethoxyberbane systems through tin-mediated three component coupling

Reaction of allylic tin reagents with nitrogen heteroaromatics activated by alkyl chloroformates: regioselective synthesis of .alpha.-allylated 1,2-dihydropyridines and change of the regioselectivity depending on methyl substituents at the allylic moiety

Ryohei Yamaguchi, Masataka Moriyasu, Michihiko Yoshioka et al. · The Journal of Organic Chemistry · 1988 · 79 citations

Natural Sciences, Chemistry, Catalysis +7

The Absolute Configuration of Lignans²

Anthony W. Schrecker, Jonathan L. Hartwell · Journal of the American Chemical Society · 1957 · 47 citations

Natural Sciences, Chemistry, Analytical Chemistry +6

A highly effective one-pot bicycloannulation methodology for the synthesis of berban and yohimban systems based on organotin-mediated three-component coupling (N-acylative pentadienylation of C:N bonds)

Ryohei Yamaguchi, Takashi Hamasaki, Tohru SASAKI et al. · The Journal of Organic Chemistry · 1993 · 41 citations

Natural Sciences, Chemistry, Medicinal Chemistry +7

Simultaneous 1,2-introduction of allylic and .alpha.,.beta.,.gamma.,.delta.-unsaturated acyl groups into isoquinoline systems and subsequent intramolecular Diels-Alder reactions

Ryohei Yamaguchi, A. Otsuji, Kiichiro. Uchimoto · Journal of the American Chemical Society · 1988 · 38 citations

Natural Sciences, Biochemistry, Chemistry +8

Berbanes: a new class of selective .alpha.2-adrenoceptor antagonists

E. Sylvester Vizi, István Tóth, George T. Somogyi et al. · Journal of Medicinal Chemistry · 1987 · 36 citations

Medicine, Medicinal Chemistry, Pharmacology +11