HRID1659343

反应详情

EQUATION

反应方程式

HRID 1659343 的结构方程式

PROCEDURE

实验过程

1-Nitro-5-(p-chlorophenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline is treated with acetic anhydride as described in Example 27 to give 1-nitro-5-(p-chlorophenyl)-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline with a yield of 95%. M.p.: 183°-184° C.