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
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