Shin-Etsu Chemical Co., Ltd.

Yasuhiko Kutsuwada

Takeshi Kinsho

Takeru Watanabe

Yusuke Nagae

Shogo Tsukaguchi

Yuki Miyake

Akihiro Baba

Tatsuya Hojo

Tatsuya Fujii

Erina Ohno

The present invention provides a process for preparing 2-methyl-N-(2′-methylbutyl)butanamide of the following formula (1): the process comprising: subjecting an α-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-α-arylethyl-2-methyl-N-(2′-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the α-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2′-methylbutyl)butanamide (1).

Process for preparing 2-methyl-N-(2′-methylbutyl)butanamide

There are provided a composition which has a larger attracted number than (9Z)-9,13-tetradecadien-11-ynal alone; and others. More specifically, there are provided a composition bioactive to(STENCA), the composition including (9Z)-9,13-tetradecadien-11-ynal and (9E)-9,13-tetradecadien-11-ynal; a sustained release preparation for controlling STENCA, the preparation including the composition and a carrier or container for sustainedly releasing the (9Z)-9,13-tetradecadien-11-ynal and the (9E)-9,13-tetradecadien-11-ynal; and a method for controlling STENCA, the method including a step of installing the sustained release preparation in a field to release the (9Z)-9,13-tetradecadien-11-ynal and the (9E)-9,13-tetradecadien-11-ynal into the field.

Composition biologically active to stenoma catenifer and sustained release preparation comprising the same for controlling insect pest

The present invention provides a process for preparing 2-methyl-N-(2'-methylbutyl) butanamide of the following formula (1):the process comprising: subjecting an &#x3b1;-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-&#x3b1;-arylethyl-2-methyl-N-(2&#x2032;-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the &#x3b1;-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2&#x2032; -methylbutyl)butanamide (1). 

Process for preparing 2-methyl-N-(2'-methylbutyl)butanamide

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Joetsu, Japan

Yasuhiko Kutsuwada