发明名称 |
PYRIDONE COMPOUNDS USEFUL FOR PRODUCING PYRIDINE COMPOUNDS |
摘要 |
The present invention provides a process for producing the pyridine compound [d]: [wherein R<SUP>3 </SUP>and R<SUP>4 </SUP>are as defined below], which has an excellent herbicidal activity, by making a pyridine compound [a]: [wherein R<SUP>1 </SUP>represents a C1-C6 alkoxy group, R<SUP>3 </SUP>represents a halogen atom, cyano group or nitro group, and R<SUP>4 </SUP>rhoepsilonpirhoepsilonsigmaepsilonnutausigma alpha etapsideltarhoomicrongammaepsilonnu alphatauomicronmu omicronrho etaalphalambdaomicrongammaepsilonnu alphatauomicronmu] rhoepsilonalphachitau omegaiotataueta alphanu alpha-diazoester compound [f]: <?in-line-formulae description="In-line Formulae" end="lead"?>N<SUB>2</SUB>CHCOR<SUP>1</SUP> [f]<?in-line-formulae description="In-line Formulae" end="tail"?> [wherein R<SUP>1 </SUP>is defined above] in the presence of an acid. |
申请公布号 |
US2006189484(A1) |
申请公布日期 |
2006.08.24 |
申请号 |
US20060382354 |
申请日期 |
2006.05.09 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
TOHYAMA YOSHITOMO;KOMORI TAKASHI;SANEMITSU YUZURU |
分类号 |
A01N43/50;C07D401/12;C07D403/02 |
主分类号 |
A01N43/50 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|