Thiazolylpiperidine derivatives (I) and their salts are new. Thiazolylpiperidine derivatives of formula (I) and their salts are new. A : phenyl or heteroaryl group； Y 1>； : O or S； R 1>； : H, 1-2C-(halo)alkyl or halo； n : 0-2； R 2>； : e.g. 1-8C-alkyl, 1-4C-haloalkyl, 2-6C-alkenyl, 2-6C-alkynyl or adamantan-1-yl； and G : (C(R 5>；) 2) por NH； p : 1 or 2； and R 5>； : H or 1-2C-(halo)alkyl. Full Definitions are given in the DEFINITIONS (Full Definitions) Field. Independent claims are included for: (1) an agent comprising (I), diluents and/or surface active agent； (2) the preparation of (I)； (3) a protecting group substituted 4-thiazol-2-yl-piperidine compound of formula (VIa) or its salt； (4) a sulfur group substituted 4-thiazol-2-yl-piperidine compound of formula (IV) or its salt, where (IV) excludes tert-butyl-4-[4-({[4-(methylsulfonyl)phenyl]sulfanyl}methyl)-1,3-thiazol-2-yl]piperidin-1-carboxylate； (5) a 4-(4-methyl-thiazol-2-yl)-piperidine compound of formula (III) or its salt； and (6) a 2-(2-piperidin-4-yl-thiazol-4-ylmethyl)-isothiourea compound of formula (IX) or its salt. PG : acetyl, 1-4C-alkoxycarbonyl, benzyl or benzyloxycarbonyl； W1a : Br or I； and W1b : I, Br or Cl. [Image] [Image] [Image] ACTIVITY : Fungicide； Antibacterial； Nematocide； Insecticide； Acaricide； Virucide； Herbicide； Plant Growth Regulant. MECHANISM OF ACTION : None given.
