Nippon Soda Co., Ltd.

Basf Aktiengesellschaft

Masami Hatano

Hiroyuki Adachi

Yuuki Nakagawa

Tomio Yagihara

Masao Yamaguchi

Hiroyuki Yamanaka

Junji Suzuki

Shinichi Imaizumi

Shigeru Kozima

Benzoic acid derivatives useful as intermediates for the preparation of drugs and agricultural chemicals, particularly compounds having herbicidal activity; and easy and economical processes for the preparation of the same. The processes are specifically those represented by reaction formula for the preparation of compounds represented by general formulae (1) and (6).

Benzoic acid derivatives and processes for the preparation thereof

Bicyclo[4,1,0]heptane-2,4-dion derivatives, its synthetic intermediates

A process for the preparation of 1-(4-tetrahydropyranyl)- or 1-(4-tetrahydrothiopyranyl)prop-1-en-3-ones of the general formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 - to C.sub.10 -alkyl, C.sub.1 - to C.sub.10 -alkoxy or aryloxy,

Preparation of 1-(4-tetrahydropyranyl)- or

Growing community of inventors

Kanagawa, Japan

Masami Hatano