Toyama Chemical Co., Ltd.

Hokuriku Electric Industry Co., Ltd.

Kiyoshi Tanaka

Isamu Saikawa

Shuntaro Takano

Kaishu Momonoi

Isamu Takakura

Kenshin Hayashi

Chiaki Kutani

Seietsu Kuroda

Bunei Nagahashi

Hiroyuki Imaizumi

Takihiro Inaba

Ryuko Takeno

Seishi Morita

Hirohiko Fukuda

Yoshiharu Murotani

Satoshi Nakao

Kazutaka Hayashi

Junichi Yoshida

Hideki Tanigami

Yoshimitsu Motoki

Kazuo Nomura

Hideto Ishikawa

Electrostatic capacity-type pressure sensor with reduced variation in

Pressure sensor module having dual insulating substrates on the pressure

The invention relates to a process for producing a cephalosporin of the formula ##STR1## by reacting the compound ##STR2## with the compound ##STR3## in the presence of boron trifluoride or a complex thereof.

Novel process for producing a cephalosporin

This invention relates to a novel aminothiazole intermediate for production of a cephalosporin of antibiotic activity.

Aminothiazole intermediate for a cephalosporin

This disclosure relates to a novel process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids which are intermediate products of cephalosporins being valuable antibacterial compounds for use in mammals including man.

Process for producing 7-(substituted)amino-3-substituted thiomethyl

This disclosure relates to a novel process for producing 7-(substituted)-amino-3-substituted thiomethyl-.DELTA..sup.3 -cephem-4-carboxylic acids which are intermediate products of cephalosporins being valuable antibacterial compounds for use in mammals including man.

Process for producing 7-(substituted)amino-3-substituted

The N,N-dimethylacetamide adduct of 7-[D(-)-.alpha.-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-.alpha.-(4-hyd roxyphenyl)acetamido]-3-[5-(1-methyl-1,2,3,4-tetrazolyl)thiomethyl]-.DELTA. .sup.3 -cephem-4-carboxylic acid, a process for the production thereof, and a process for producing said acid and a pharmaceutically acceptable salt thereof through said adduct.

Process for producing

Intermediate for cephalosporin type compound

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Toyama, Japan

Kiyoshi Tanaka