NEW MATERIAL:The compound of formula I [X is nitro, amino, thioisocyanato, group of formula II (A' or O or S; R3 is lower alkyl, lower alkenyl, etc.), etc.; Y is lower alkyl, lower alkoxy, H, etc.; R1 is lower alkyl, lower alkenyl, etc.; R2 is lower alkyl, lower alkynyl, etc.; A and W are O or S].
EXAMPLE: Isopropyl N-(3-chloro-4-ethoxy-5-methoxycarbonylaminophenyl)-carbamate.
USE: Agricultural and horticultural fungicide. Effective to powdery mildew of cucumber, cercospora leaf spot of sugar beet, scab of pear, etc.
PREPARATION: The compound of formula I can be prepared by reacting the compound of formula III with the compound of formula IV (Z is halogen) in an organic solvent in the presence of an acid acceptor such as pyridine, triethylamine, etc., under cooling or heating at 0W150°C.
| WO/2022/239016 | BROAD SPECTRUM HERBICIDAL COMPOSITION FOR WHEAT |
| JP2009256292 | PEST INSECT CONTROLLING SYSTEM |
| WO/1999/043212 | WOOD PRESERVATIVES |
KATOU TOSHIROU
NOGUCHI YUUJI
OGURI YUKIO
YAMAMOTO SHIGEO
KAMOSHITA KATSUZOU
Next Patent: MANUFACTURE OF AMINOALKYLUREA COMPOUND