Shigekazu Fujita

Hypervalent Iodine-Induced Nucleophilic Substitution of para-Substituted Phenol Ethers. Generation of Cation Radicals as Reactive Intermediates

Yasuyuki Kita, Hirofumi Tohma, Kenji HATANAKA et al. · Journal of the American Chemical Society · 1994 · 440 citations

Halogenation, Chemical Engineering, Engineering +12

A Novel and Direct Alkyl Azidation of<i>p</i>-Alkylanisoles Using Phenyl Iodine(III) Bis(trifluoroacetate) (PIFA) and Trimethylsilyl Azide

Yasuyuki Kita, Hirofumi Tohma, Takeshi Takada et al. · Synlett · 1994 · 73 citations

Trimethylsilyl Azide, Engineering, Using Phenyl Iodine +11

An Intramolecular Cyclization of Phenol Derivatives Bearing Aminoquinones Using a Hypervalent Iodine Reagent

Yasuyuki Kita, Takeshi Takada, Megumi Ibaraki et al. · The Journal of Organic Chemistry · 1996 · 62 citations

Medicinal Chemistry, Derivative (Chemistry), Derivatives +15

A novel strategy for the stereoselective total synthesis of C-17 spiro steroids. Total synthesis of 19-norcanrenone - a formal total synthesis of 19-norspironolactone

Hideo Nemoto, Shigekazu Fujita, Mitsuo Nagai et al. · Journal of the American Chemical Society · 1988 · 41 citations

Enantioselective Synthesis, Novel Strategy, Biochemistry +14

First highly asymmetric Pummerer-type reaction in chiral, non-racemic acyclic sulfoxides induced by O-silylated ketene acetal

Yasuyuki Kita, Norio Shibata, Naoki Yoshida et al. · Journal of the Chemical Society Perkin Transactions 1 · 1994 · 17 citations

O-silylated Ketene Acetal, High Yields, Chemical Engineering +12