2-phenyliminothiazolines, their preparation method and anti-rice blast agent containing the same

摘要

2-phenyliminothiazolines of the following formula I, their salts, their preparation method and their use for treating rice blast. The phenyliminothiazolines and their salts of the present invention have low toxicity to environment or living organisms, and exert high activity at low concentration for treating rice blast through a new control mechanism, that is by inhibiting pentaketide synthesis and cyclization of the melanin sythesis process in formula I