Nippon Paint Compnay, Ltd.

Otohiko Tsuge

Satoshi Urano

Noriyuki Tsuboniwa

Taizo Hatta

Ryuzo Mizuguchi

The present invention relates to a triazole compound represented by the formula (1): ##STR1## wherein R.sup.1 represents a lower alkyl group which may have a substituent; R.sup.2 and R.sup.3 represent respectively hydrogen, an aryl group, a benzoyl group, a tosyl group, a lower alkoxy carbonyl group, or an aryl sulfonyl group, each of which except for hydrogen may have a substituent; provided that when R.sup.2 is hydrogen, the triazole compound is represented by the formula (2): ##STR2## wherein R.sup.1 and R.sup.3 have the same as defined above.

Hydrazide intermediates

A method for producing a (2-alkyl)acryloyl isocyanate of the formula I

Method for handling (2-alkyl) (acryloyl) isocyanate, method for

Hydrazone intermediates

A method for handling and stabilizing a (2-alkyl)-acryloyl isocyanate represented by the formula (1) ##STR1## is disclosed, which comprises the steps of: reacting an azomethine compound represented by formula (2) ##STR2## with the (2-alkyl)-acryloyl isocyanate of formula (1) to obtain the reaction product of formula (3) ##STR3## and dissolving said reaction product into a solvent to regenerate the (2-alkyl)-acryloyl isocyanate of formula (1); the identity of said solvent and R-groups being defined herein.

Method for handling (2-Alkyl)acryloyl isocyanate, method for stabilizing

Triazole compounds, their intermediates, and method for production of

Disclosed is a novel heterocyclic compound selected from the group consisting of the compounds [IV] to [VII], [IX] and [X]. The heterocyclic compound is useful for reactive materials in chemical industry. A process for producing the heterocyclic compound is also disclosed.

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Fukuoka, Japan

Otohiko Tsuge