Daikin Industries, Ltd.

Daikin Kogyo Co., Ltd.

Katsuhiko Kitahara

Tetsuya Masutani

Tetsuo Kitahaba

Yasuo Itami

Eiji Seki

Tohru Yoshimura

Hidemitsu Uno

Takuji Ogawa

Kouji Kigawa

Keizo Hayashiya

Tomonori Fukamachi

Ryohei Yamaoka

Takasi Nisioka

Hitomi Suzuki

Takashi Yamaoka

N-[1-(Thienyl)alkyl]amine derivative of the formula: ##STR1## which has excellent herbicidal activity against lowland annual weeds and upland weeds, can be prepared by reacting a thiophen derivative of the formula: ##STR2## with an aldehyde of the formula:

Preparation of N-[(1-(thienyl)alkyl]amine derivative

An organism which generates energy through the decomposition of cellulose such as termites can be selectively destroyed with a fluorine-containing glycoside of the formula: ##STR1## wherein n is an even number of 2 to 20, and m is an integer of 0 to 5.

Fluorine-containing glycoside and its use

A fluorine-containing benzophenone derivative of the formula: ##STR1## wherein R.sup.1 is a group of the formula: --OM (in which M is hydrogen or alkali metal), lower alkoxy, lower acyloxy, a group of the formula: ##STR2## (in which R.sup.3 and R.sup.4 are same or different and hydrogen or lower alkyl) or a group of the formula: --OCH.sub.2 COOR.sup.5 (in which R.sup.5 is hydrogen, lower alkyl or alkali metal); R.sup.2 is halogen, nitro, chlorosulfonyl, sulfo, trifluoromethyl or a group of the formula: --SCF.sub.2 H; and m and n are each an integer of 1 to 4 provided that the sum of m and n is not more than 5 having selective herbicidal activities on grasses and crops.

Fluorine-containing benzophenone derivatives

Growing community of inventors

Kyoto, Japan

Katsuhiko Kitahara