Piperidine-spiro-hydantoin derivatives

US4005094A · kind A · utility

Assignee

• Sankyo Holdings Co., Ltd. · JP

Inventors

• Keisuku Murayama
• Syoji Moriyama
• Takao Yoshioka · Tokyo, JP
• Toshimasa Toda · Miyoshi, JP
• Eiko Mori
• Hideo Horiuchi
• Susumu Higashida
• Katsuaki Matsui
• Tomoyuki Kurumada
• Noriyuki Ohata
• Hisayou Ohsawa

Key dates

• Filing date: Jan 10, 1975
• Grant date: Jan 25, 1977
• Expiry date: Jan 10, 1995

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/3445
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Piperidine-spiro-hydrantoin derivatives having the formula ##STR1## wherein X represents oxygen atom or sulfur atom; n is an integer of 1 to 4 inclusive; and PA1 R represents, when n is 1, an alkenyl group which may be substituted with halogen, an alkynyl group which may be substituted with phenyl, an aralkyl group which may be substituted with halogen, alkyl of 1 to 4 carbon atoms or halomethyl, a hydroxyalkyl group, an alkoxyalkyl group, an alkenyloxyalkyl group, an acryloxyalkyl group, an alkylthioalkyl group, an acyloxyalkyl group, an epoxyalkyl group, an N-alkyl-substituted aminoalkyl group, an alkoxycarbonylalkyl group, an aryloxycarbonylalkyl group, an aliphatic acyl group, an alkoxycarbonyl group, a phosphino group which is substituted with phenoxy or alkoxy or a phosphinyl group which is substituted with phenoxy or alkoxy, PA1 When n is 2, an alkenylene group of 4 to 18 carbon atoms, a dialkyleneether group, an aralkylene group, a bis(acyloxyalkylene) group or an alkylene-bis(oxycarbonylalkyl) group, PA1 When n is 3, a tris(acyloxyalkylene) group, an alkane-tris(oxycarbonylalkyl) group or a group of the formula ##STR2## IN WHICH P IS AN INTEGER OF 1 TO 8 INCLUSIVE AND P'S …