Fujisawa Pharmaceutical Company, Ltd.

Ryo Yamanishi

Masaru Ohgaki

Hitoshi Nishiyama

Toshihiko Hara

Toshihito Kakiuchi

Muneharu Ikushima

Atsushi Yamamura

Kazuki Okada

Shinobu Kasuga

Polyenepolycarboxylic acids, derivatives thereof with respect to carboxyl groups, or salts of these

Crystal of depsipeptide derivative and process for producing the same

An industrially excellent alternative process for producing cyclodepsipeptide derivatives, as represented in formula (1), having an excellent vermicidal activity as an animal and human anthelmintic, wherein R,represents hydrogen or a hydroxyl-protective group; R,represents a carboxyl group optionally protected; R,, R,, R,and R,represent each a lower alkyl, aryl or (un)substituted aralkyl; and R,, R,, R,and R,represent each a lower alkyl.

Process for producing depsipeptide derivatives and novel intermediates therefor

Depsipeptide derivative, process for production thereof, and novel

Cyclodepsipeptide compound

Depsipeptide derivatives, production thereof and use thereof

Growing community of inventors

Nishinomiya, Japan

Ryo Yamanishi