| 发明名称 |
PRODUCTION OF 2-METHYL-5-NITROPHENOL |
| 摘要 |
PROBLEM TO BE SOLVED: To industrially obtain high-quality 2-methyl-5-nitrophenol from 2- methyl-5-nitrobenzenediazonium sulfate in high yield. SOLUTION: This method for producing 2-methyl-5-nitrophenol comprises hydrolyzing 2-methyl-5-nitrobenzenediazonium sulfate at 70-100 deg.C in 40-80% sulfuric acid concentration. |
| 申请公布号 |
JPH09132549(A) |
申请公布日期 |
1997.05.20 |
| 申请号 |
JP19950315954 |
申请日期 |
1995.11.08 |
| 申请人 |
SUMIKA FINE CHEM KK |
发明人 |
KUMASHIRO MITSUGI;AMANO SUEHIRO;NAKAMATSU TOSHIO |
| 分类号 |
C07C201/12;C07C205/22;(IPC1-7):C07C205/22 |
主分类号 |
C07C201/12 |
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