PRASAD, VIC,LARSON, CHRISTOPHER L.,GIBB, CAMERON SEATH
申请号：
CA3087012
公开号：
CA3087012A1
申请日:
2019.01.23
申请国别(地区):
CA
年份:
2019
代理人:
摘要：
A flucarbazone sodium hemihydrate method and composition. A method of suppressing growth of grass and broadleaf weeds is described including applying to said weeds at least one dust-free composition comprising flucarbazone sodium-hemihydrate as an active ingredient. A method for preparing flucarbazone sodium-hemihydrate is also described including treating 4,5-dihydro-3-methoxy-4-methyl-5-oxo-N-[[2-(trifluoromethoxy)phenyl]sulfonyl]-1H-1,2,4-triazole-1-carboxamide (MSU) with aqueous sodium hydroxide under pH-controlled conditions； and confirming that a hemihydrate flucarbazone sodium of the following formula:has been obtained.
