申请人:——
公开号:US20040132775A1
公开(公告)日:2004-07-08
The present invention relates to a process for preparing a compound of formula (I): which includes cyclodehydrating a compound of formula (II): in the presence of an acid activated clay or acid activated zeolite catalyst and in the presence of a suitable solvent.
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本发明涉及一种制备式(I)化合物的工艺,该工艺包括在酸活化粘土或酸活化沸石催化剂存在下,在合适的溶剂存在下,对式(II)化合物进行环脱水。
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