Yasuo Kikugawa

One-pot reductive amination of aldehydes and ketones with α-picoline-borane in methanol, in water, and in neat conditions

Shinya Sato, Takeshi Sakamoto, Etsuko Miyazawa et al. · Tetrahedron · 2004 · 272 citations

Chemical Engineering, Engineering, Methanol +6

Intramolecular Cyclization with Nitrenium Ions Generated by Treatment of <i>N</i>-Acylaminophthalimides with Hypervalent Iodine Compounds:  Formation of Lactams and Spiro-Fused Lactams

Yasuo Kikugawa, Akira Nagashima, Takeshi Sakamoto et al. · The Journal of Organic Chemistry · 2003 · 129 citations

Spiro-fused Lactams, Ipso Attack, Heterocyclic +9

Electrophilic aromatic substitution with N-methoxy-N-acylnitrenium ions generated from N-chloro-N-methoxy amides: syntheses of nitrogen heterocyclic compounds bearing a N-methoxy amide group

Masami Kawase, Takahiro Kitamura, Yasuo Kikugawa · The Journal of Organic Chemistry · 1989 · 126 citations

Chemical Engineering, N-methoxy Amide Group, Engineering +12

Introduction of a Hydroxy Group at the Para Position and <i>N</i>-Iodophenylation of <i>N</i>-Arylamides Using Phenyliodine(III) Bis(Trifluoroacetate)

Naoki Itoh, Takeshi Sakamoto, Etsuko Miyazawa et al. · The Journal of Organic Chemistry · 2002 · 91 citations

Engineering, Biochemistry, Para Position +13

An Electrophilic Aromatic Substitution by <i>N</i>-Methoxyamides <i>via</i> Hypervalent Iodine Intermediates

Yasuo Kikugawa, Masami Kawase · Chemistry Letters · 1990 · 87 citations

Aromatic Group, Deficient Nitrogen Species, Engineering +10