发明名称 Process for producing 1-acyl-2-pyrazoline derivatives.
摘要 <p>1-Acyl-2-pyrazoline derivatives represented by the formula &lt;CHEM&gt; where R&lt;1&gt; denotes a hydrogen atom, pyridyl group, pyrazinyl group, alkyl group, aryl group, or alkoxy group; and R&lt;2&gt;, R&lt;3&gt;, and R&lt;4&gt; independently denote a hydrogen atom, furyl group, pyridyl group, alkyl group, or aryl group, are produced by cyclizing by heating an acylhydrazone derivative represented by the formula &lt;CHEM&gt; where R&lt;1&gt;, R&lt;2&gt;, R&lt;3&gt;, and R&lt;4&gt; are defined as above, to produce compounds having useful anti-cerebral edema activity.</p>
申请公布号 EP0322691(A1) 申请公布日期 1989.07.05
申请号 EP19880121187 申请日期 1988.12.17
申请人 MITSUI TOATSU CHEMICALS INC. 发明人 YAMASHITA, HIROYUKI;OKUMURA, KUNIO;IIZUKA, HAJIME;OHTO, NORIO
分类号 C07D231/06;C07D401/06;C07D403/06;C07D405/06;C07D405/14 主分类号 C07D231/06
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