Highly sensitive determination of estrone and estradiol in human serum by liquid chromatography–electrospray ionization tandem mass spectrometry

A novel and efficient macrolactonization of ω-hydroxycarboxylic acids using 2-methyl-6-nitrobenzoic anhydride (MNBA)

Isamu Shiina, Mari Kubota, Ryoutarou Ibuka · Tetrahedron Letters · 2002 · 274 citations

Pharmacy, Medicinal Chemistry, Biocatalysis +3

Measuring Fifteen Endogenous Estrogens Simultaneously in Human Urine by High-Performance Liquid Chromatography-Mass Spectrometry

Xia Xu, Timothy D. Veenstra, Stephen D. Fox et al. · Analytical Chemistry · 2005 · 227 citations

Pharmacy, Biochemistry, Endocrinology +16

The Influence of Androgen Deprivation Therapy on Dihydrotestosterone Levels in the Prostatic Tissue of Patients with Prostate Cancer

Tsutomu Nishiyama, Yutaka Hashimoto, Kota Takahashi · Clinical Cancer Research · 2004 · 224 citations

Medicine, Endocrinology, Urology +13

Liquid Chromatography/Electron Capture Atmospheric Pressure Chemical Ionization/Mass Spectrometry:  Analysis of Pentafluorobenzyl Derivatives of Biomolecules and Drugs in the Attomole Range

Gurkeerat Singh, Alejandro Gutiérrez, Keyang Xu et al. · Analytical Chemistry · 2000 · 197 citations

Pharmacy, Chemistry, Pharmaceutical Analysis +16

A New Condensation Reaction for the Synthesis of Carboxylic Esters from Nearly Equimolar Amounts of Carboxylic Acids and Alcohols Using 2-Methyl-6-nitrobenzoic Anhydride

Isamu Shiina, Ryoutarou Ibuka, Mari Kubota · Chemistry Letters · 2002 · 196 citations

Natural Sciences, Chemistry, Catalysis +7