Ube Industries, Inc.

Yasushi Nakamoto

Katsutoshi Fujii

Tokio Obata

Takafumi Hirakawa

Masanori Watanabe

Atsushi Morikami

Kiyoshi Tsutsumiuchi

Disclosed is a polythiocarbonate poly(thio)epoxide in which a hydrogen atom in a mercapto group of a polythiocarbonate polythiol is substituted with a (thio)epoxy-containing group. By using this compound as a starting material, there can be obtained a polythioether or a sulfur-containing polyether having, in addition to excellent optical properties (a high refractive index and a high Abbe's number), excellent mechanical properties (a high bending distortion) and a high glass transition temperature.

Polythiocarbonatepoly(thio)epoxide

Disclosed are an aralkylaminopyrimidine compound represented by the following formula: ##STR1## wherein R.sup.1 represents a halogen atom, a lower acyloxy group, a hydroxyl group, a lower alkoxy group or a lower alkylthio group; R.sup.2 represents a lower alkyl group, a hydrogen atom or a cycloalkyl group; R.sup.3 may be the same or different and represents a lower haloalkoxy group, a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a lower alkylthio group, a nitro group, a lower haloalkyl group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, a lower haloalkylthio group or a hydroxyl group; a carbon atom to which * is attached represents an asymmetric carbon atom provided that the case where R.sup.2 is a hydrogen atom is excluded; and n represents an integer of 1 to 5. a method for preparing the same and a chemical for controlling noxious organisms which contains the same as an active ingredient.

Aralkylaminopyrimidine derivative, and chemical for controlling noxious

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Ube, Japan

Yasushi Nakamoto