Inventor

TORII SIGERU

JP58 patents

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

TORII SIGERU

OTSUKA KAGAKU YAKUHIN

Azetidinone derivatives and process for the preparation of the same

Process for preparing alkoxyphenols

4-thio azetidinone intermediates and process for the preparation of the same

Thiazolinoazetidinone derivatives and process for the preparation of the same

Process for preparing thiazolidine compounds

Process for preparing 2-cyclopentenone derivative and perfume composition containing the derivative

Process for preparing 2-pentynyl ether

Process for the preparation of cephem derivatives

Thiazolinoazetidinone derivatives and process for the preparation of the same

Process for preparing azetidinone derivatives

Thiazolineazetidinone-type compounds

Process for preparing 3-exo-methylenecepham derivatives

Process for preparing β-lactam derivatives

Process for preparing thiazolinozetidinone derivatives

Halogenation process for preparing 2-(oxoazetidinyl)-3-chloromethyl-3-butenoate

Azetidinone disulfide derivatives and a process for preparing the same

Process for preparing thiazolinoazetidinone derivatives

Process for preparing 2-oxycephalosporin derivatives

Process for preparing oxazolineazetidinone derivatives

Cyclopentanol derivatives

2-(2-pentynyl) cyclopentanol derivatives

2-Cyclopentenone derivatives

OTSUKA KAGAKU KK

Process for preparing thiosulfonate derivatives

Process for preparing 3-alkoxymethylcephem compounds

Process for preparing cephem derivatives

Process for preparing 2-exo-methylenepenam derivatives

Process for preparation of β-lactam derivative from an alkenyl substituted β-lactam derivative using a ruthenium or rhenium catalyst and a periodic acid

Process for preparation of azetidinone derivatives

Process for preparing 3-exomethylenecepham derivatives

Method for production of 3-exomethylenecepham derivatives

Process for preparing 2,2-bishalomethylpenam derivatives

Process for preparing β-lactam compound

Process for preparing β-lactam halide compound

Process for preparing 3-norcephem compounds

Process for preparing β-lactam compound

Thiazolinoazetidinone derivative

Process for preparing a 3-formylcephem derivative

Process for preparing β-lactam derivatives

Cyclization for preparing halo-cephems

TAIHO PHARMACEUTICAL CO LTD

2β-Substituted-methylpenicillanic acid derivatives, and salts and esters thereof

Process for preparing 2α-methyl-2β-(1,2,3-triazol-1-yl)methylpenam-3α-carboxylic acid derivatives

2 β-substituted thiomethylpenicillin derivatives and their preparation and use

Process for preparing 2β-substituted-methylpenicillin derivatives

Process for preparing 2β-substituted-methylpenicillin derivatives

OUCHI SHINKO KAGAKU KOGYO KK

Preparation of benzothiazolylsulfenamides

Process for producing sulfenimides

Preparation of tetraalkylthiuram disulfides

Process for producing a tetraalkylthiuram disulfide

OTSUKA KAGAKU KASBUSHIKI KAISH

Process for preparing thiazolino azetidinone and 2-exo-methylenepenam derivative

KURARAY CO

1,3-Cyclohexanedione derivatives