发明名称 |
METHOD FOR PREPARING TETRAZOLE METHANESULFONIC ACID SALTS, AND NOVEL COMPOUND USED IN SAME |
摘要 |
A method for preparing tetrazole methanesulfonic acid salts includes an acylation reaction using a novel 4-iodine-4H-chromene-2-carbothionic acid S-benzothiazole-2-yl ester. The method is advantageous that it can shorten a reaction time and improve safety as compared to conventional methods, and can prepare high-purity tetrazole methanesulfonic acid salts at a high yield rate without using a column chromatography method. |
申请公布号 |
US2014148602(A1) |
申请公布日期 |
2014.05.29 |
申请号 |
US201414171318 |
申请日期 |
2014.02.03 |
申请人 |
HANMI SCIENCE CO., LTD |
发明人 |
BANG KEUK CHAN;PARK BUM WOO;CHOI JONG WON;LEE JAE CHUL;AN YONG HOON;AHN YOUNG GIL;KIM MAENG SUP |
分类号 |
C07D417/12 |
主分类号 |
C07D417/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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