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发明名称
METHOD FOR THE PREPARATION OF 5 CARBOXYPHTHALIDE.
摘要
<p>5 carboxyphthalide is obtained with very high purity and in high yields by a convenient process comprising reaction of terephthalic acid represented by formula (II), with paraformaldehyde HO(CH2)nH in oleum.</p>
申请公布号
MXPA02004313(A)
申请公布日期
2002.11.07
申请号
MX2002PA04313
申请日期
2000.10.19
申请人
H. LUNDBECK A/S.
发明人
HANS PETERSEN
分类号
C07D307/88
主分类号
C07D307/88
代理机构
代理人
主权项
地址
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