| abstract |
The present invention provides a novel nitrogen-containing heterocyclic compound and a salt thereof that can be used safely and safely, and an agricultural and horticultural fungicide containing at least one of these compounds as an active ingredient. A boronic acid derivative represented by the following formula (VII) and a method for producing the same. (In the formula, each X ″ independently represents a C1-20 alkyl group which may have a substituent, a C2-20 alkenyl group which may have a substituent, or a C2 which may have a substituent. 20 alkynyl group, C3-20 cycloalkyl group optionally having substituent, C4-20 cycloalkenyl group optionally having substituent, C8-20 cycloalkynyl group optionally having substituent, substituted A C6-10 aryl group which may have a group, a heterocyclic group which may have a substituent, a hydroxyl group which may have a substituent, an amino group which may have a substituent, and a substituent. And may represent a mercapto group, a fluorine atom, a chlorine atom or a nitro group, and q represents an integer of 0 to 6.) [Selection figure] None |