Inventor

KATSURA TADASHI

JP25 patents

⚠️ This page may combine multiple inventors who share the name “KATSURA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KATSURA TADASHI

SUMITOMO CHEMICAL CO

Synthesis of amine derivatives

Production of cyclopentenone derivatives

Optically active 4-hydroxy-2-cyclopentenones, and their production

Method for producing an optically active 2,2-dimethylcyclopropanecarboxylic acid

Process for preparing 2-cyclopentenone esters

Process for producing 4-cyclopentenones

Process for preparing 2-cyclopentenone derivatives

Crystal of bicalutamide and production method thereof

Process for preparing 4-hydroxy-2-cyclopentenones

Method of crystallization of bicalutamide

Process for recovering 1,3-dimethyl-2-imidazolidinone

Production method of racemic 3-hydroxy-3-(2-phenylethyl)hexanoic acid C1-6 alkyl ester

SUMIKA FINE CHEMICALS CO LTD

Piperidine derivative and process for preparing the same

Crystal of bicalutamide and production method thereof

Process for preparing 4&#39;-methyl-2-cyanobiphenyl

Method for producing 4&#39;-bromomethyl-2-cyanobiphenyl

Process for producing tert-butyl 4′-methyl-2-biphenylcarboxlate

Process for preparing tert-alkyl ester from carboxylic acid

Crystalline or crystallized acid addition salt of losartan and purification method of losartan

Process for preparing 2-cyanobiphenyl compound

Process for preparing a piperidine derivative

Process for preparing a piperidine derivative

Piperidine derivative and process for preparing the same

Production method of (R)-3 hydroxy-3-(2-phenylethyl) hexanoic acid and intermediate thereof

KATSURA TADASHI

Method for producing N-methacryloyl-4-cyano-3-trifluoromethylaniline

Process for preparing 4'-methyl-2-cyanobiphenyl

Method for producing 4'-bromomethyl-2-cyanobiphenyl