Masao Nagaoka

Stereospecific synthesis of 16.alpha.-hydroxy-17-oxo steroids by controlled alkaline hydrolysis of corresponding 16-bromo-17-ketones and its reaction mechanism

Mitsuteru Numazawa, Masao Nagaoka, Yoshio Osawa · The Journal of Organic Chemistry · 1982 · 59 citations

Life Sciences, Biochemistry, Chemistry +7

Metabolic aspects of the 1β-proton and the 19-methyl group of androst-4-ene-3,6,17-trione during aromatization by placental microsomes and inactivation of aromatase

Mitsuteru Numazawa, Koji Midzuhashi, Masao Nagaoka · Biochemical Pharmacology · 1994 · 25 citations

Life Sciences, Biochemistry, Endocrinology +14

Structure–activity relationships of 3-deoxy androgens as aromatase inhibitors. synthesis and biochemical studies of 4-substituted 4-ene and 5-ene steroids

Masao Nagaoka, Yoko Watari, Hiromi Yajima et al. · Steroids · 2003 · 21 citations

Life Sciences, Biochemistry, Medicinal Chemistry +17

New preparation and controlled alkaline hydrolysis of 21-bromo-20-oxopregnenes. A facile synthesis of deoxycorticoids

Mitsuteru Numazawa, Masao Nagaoka · The Journal of Organic Chemistry · 1985 · 19 citations

Natural Sciences, Chemistry, Medicinal Chemistry +7

Novel and efficient synthesis of estriol and its 16-glucuronide via 2,4,16α-tribromoestrone

Mitsuteru Numazawa, Masao Nagaoka, Masachika TSUJI et al. · Journal of the Chemical Society Perkin Transactions 1 · 1983 · 16 citations

Life Sciences, Biochemistry, Chemistry +8