Toshiaki Kumazawa

The Michael reaction of silyl enol ethers or ketene silyl acetals with conjugated nitro olefins activated by Lewis acids: new synthesis of 1,4-diketones and .gamma.-oxo esters

Masaaki Miyashita, Tetsuji Yanami, Toshiaki Kumazawa et al. · Journal of the American Chemical Society · 1984 · 83 citations

Natural Sciences, Chemistry, Analytical Chemistry +9

1-Nitro-1-(phenylthio)propene as a new nitro olefin reagent for 3-methylfuran annulation and its application to the synthesis of some furanoterpenoids

Masaaki Miyashita, Toshiaki Kumazawa, Akira Yoshikoshi · The Journal of Organic Chemistry · 1980 · 63 citations

Natural Sciences, Chemistry, Catalysis +9

Synthesis and antiallergic activity of 11-(aminoalkylidene)-6,11-dihydrodibenz[b,e]oxepin derivatives

Etsuo Ohshima, Shizuo Otaki, Hideyuki Sato et al. · Journal of Medicinal Chemistry · 1992 · 62 citations · Full text

Natural Sciences, Chemistry, Pharmacology +6

Synthesis and antiulcer activity of 5,11-dihydro[1]benzoxepino[3,4-b]pyridines

Toshiaki Kumazawa, Hiroyuki Harakawa, H. OBASE et al. · Journal of Medicinal Chemistry · 1988 · 18 citations · Full text

Medicine, Medicinal Chemistry, Pharmacology +16

1-Nitro-1-phenylthiopropene, a new reagent for 3-methylfuran synthesis

Masaaki Miyashita, Toshiaki Kumazawa, Akira Yoshikoshi · Journal of the Chemical Society Chemical Communications · 1978 · 18 citations

Natural Sciences, Chemistry, Organic Chemistry +3