Mitsubishi Kasei Corporation

Mana Sekine

Masatsugu Oda

Toyohiko Shike

Kazuhiko Kikutake

Yumiko Miura

A pyrazolyl acrylic acid derivative of formula (I): ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen or C.sub.1 -C.sub.5 alkyl; W is C.sub.1 -C.sub.4 alkylene optionally substituted by C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenylene optionally substituted by C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkynylene, --O--, --S--, or --NH--; q is 0 or 1; A is optionally substituted C.sub.3 -C.sub.7 cycloalkyl, optionally substituted C.sub.6 -C.sub.12 aryl, or optionally substituted heteroaryl having one to three heteroatoms selected from oxygen, sulfur, and nitrogen, and having two to thirteen carbon atoms in total. Process for preparing the derivative of formula (I) and agricultural/horticultural fungicide formulation containing the derivative are also provided.

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Yokohama, Japan

Mana Sekine