| 摘要 |
In addition, intermediates and a process for preparing the acenaphthyloxazoles are provided, which process comprises reacting an acenaphthenequinone with ethylene glycol in the presence of p-toluenesulfonic acid to form an acenaphthenequinone monoethylene ketal, reducing the ketal to the corresponding 1-hydroxy-2-acenaphthenone monoethylene ketal, hydrolyzing the ketal and reacting the resulting 1-hydroxy-2-acenaphthenone with succinic acid or acid anhydride to form the corresponding succinate and reacting the succinate with ammonium acetate and acetic acid to form the compounds of the invention.
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