| 发明名称 |
PROCESS FOR PRODUCING PYRIDAZINONE COMPOUND AND PRODUCTION INTERMEDIATES THEREOF |
| 摘要 |
The present invention provides a process for producing a compound of the formula (1) wherein X represents a hydrogen atom, etc., and Y represents a hydrogen atom, etc., which comprises step 1 of reacting a compound of the formula (2) and a compound of the formula (3) in the presence of a Lewis acid wherein R represents a hydrogen atom, etc., to obtain an adduct, and step 2 of reacting the adduct obtained in the step 1 and hydrazine to obtain the compound of the formula (1).; |
| 申请公布号 |
US2015376138(A1) |
申请公布日期 |
2015.12.31 |
| 申请号 |
US201414767533 |
申请日期 |
2014.02.18 |
| 申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
NAKAE Yasuyuki;MANABE Akio;MIYAMOTO Takashi |
| 分类号 |
C07D237/14;C07C67/475;C07C69/675;C07D237/08 |
主分类号 |
C07D237/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A process for producing a compound of the formula (1); wherein X represents a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom, and Y represents a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom; which comprises step 1 of reacting a compound of the formula (2) and a compound of the formula (3) in the presence of a Lewis acid to obtain an adduct; wherein R represents a hydrogen atom or a C1-C4 alkyl group and X has the same meaning as defined above, wherein Y has the same meaning as defined above; and step 2 of reacting the adduct obtained in the step 1 and hydrazine. |
| 地址 |
Tokyo JP |
