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The Biochemical Journal|February 14, 1998
Enzymic aromatization of 6-alkyl-substituted androgens, potent competitive and mechanism-based inhibitors of aromataseM Numazawa, A Yoshimura, M OshibeSteroids|November 1, 1986
Synthesis and evaluation of bromoacetoxy 4-androsten-3-ones as active site-directed inhibitors of human placental aromataseM Numazawa, M Tsuji, Y OsawaBiochemical Pharmacology|October 25, 1996
Mechanism for aromatase inactivation by a suicide substrate, androst-4-ene-3,6,17-trione. The 4 beta, 5 beta-epoxy-19-oxo derivative as a reactive electrophile irreversibly binding to the active siteM Numazawa, A Mutsumi, M TachibanaThe Journal of Steroid Biochemistry and Molecular Biology|July 1, 1996
4-Oxygenated androst-5-en-17-ones and their 7-oxo derivatives as aromatase inhibitorsM Numazawa, M Tachibana, Y TatedaSteroids|September 1, 1993
1,4-addition reaction with thiols and conformational analysis with PM3 molecular orbital calculations of 19-oxygenated androst-4-ene-3,6,17-trionesM Numazawa, M Oshibe, H MatsuzakiChemical & Pharmaceutical Bulletin|October 1, 1992
Synthesis of deuterium-labeled 16 alpha,19-dihydroxy C19 steroids as internal standards for gas chromatography-mass spectrometryM Numazawa, S Satoh, Y OsawaSteroids|November 15, 2000
Probing the binding pocket of the active site of aromatase with 6-ether or 6-ester substituted androst-4-ene-3,17-diones and their diene and triene analogsM Numazawa, M Shelangouski, M NagasakaChemical & Pharmaceutical Bulletin|August 26, 2000
Formation of 17beta-alkoxy-16-keto steroids by reaction of 16alpha-hydroxy-17-keto and 17beta-hydroxy-16-keto steroids with trimethylsilyl iodide in the presence of alkyl alcoholsM Nagaoka, M Endo, M NumazawaJournal of Steroid Biochemistry|September 1, 1987
Studies on aromatase inhibition with 4-androstene-3,6,17-trione: its 3 beta-reduction and time-dependent irreversible binding to aromatase with human placental microsomesM Numazawa, M Tsuji, A MutsumiAnalytical Biochemistry|April 1, 1985
High-performance liquid chromatographic determination of aromatization of 16 alpha-hydroxylated androgens with human placental microsomesM Numazawa, R Osada, M Tsuji, et al.Pageof 8