PROCESS FOR THE PREPARATION OF 2-AMINO-5,8-DIMETHOXY[1,2,4]TRIAZOLO[1,5-C]PYRIMIDINE FROM 4-CHLORO-2,5-DIMETHOXYPYRIMIDINE
申请人:Dow AgroSciences LLC
公开号:EP2895486A1
公开(公告)日:2015-07-22
US9000160B2
申请人:——
公开号:US9000160B2
公开(公告)日:2015-04-07
[EN] PROCESS FOR THE PREPARATION OF 2-AMINO-5,8-DIMETHOXY[1,2,4]TRIAZOLO[1,5-C]PYRIMIDINE FROM 4-CHLORO-2,5-DIMETHOXYPYRIMIDINE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 2-AMINO-5,8-DIMÉTHOXY[1,2,4]TRIAZOLO[1,5-C]PYRIMIDINE À PARTIR DE 4-CHLORO-2,5-DIMÉTHOXYPYRIMIDINE
申请人:DOW AGROSCIENCES LLC
公开号:WO2014043087A1
公开(公告)日:2014-03-20
2-Amino-5,8-dialkoxy[1,2,4]-triazolo[1,5-c]pyrimidines are manufactured from 4-chloro-2,5-dialkoxypyrimidines in a process that avoids hydrazine and cyanogen halide.
PROCESS FOR THE PREPARATION OF 2-AMINO-5,8-DIMETHOXY[1,2,4]TRIAZOLO[1,5-c]PYRIMIDINE FROM 4-CHLORO-2,5-DIMETHOXYPYRIMIDINE
申请人:Bland Douglas C.
公开号:US20140081023A1
公开(公告)日:2014-03-20
2-Amino-5,8-dialkoxy[1,2,4]-triazolo[1,5-c]pyrimidines are manufactured from 4-chloro-2,5-dialkoxypyrimidines in a process that avoids hydrazine and cyanogen halide.