2，6－双（5－硝基－2－糠叉）环己酮的制备

Preparation of 2,6-bis (5-nitro-2-furfurylidene) cyclohexanone

用５－硝基糠叉二醋酸酯与环己酮在６０％Ｈ３ＰＯ４溶液中缩合制得标题物。反应混合物在１００℃下搅拌反应５ｈ得６１％的２，６－双（５－硝基－２－糠叉）环己酮。分别经ＩＲ、１ＨＮＭＲ、ＭＳ、ＵＶ、ＴＬＣ和元素分析进行了表征和鉴定。

Bis (5-nitro-2-furfurylidene) cyclohexanone 1 was prepared by treatment of 5-nitrofurfurylidene diacetate with cyclohexanone in 60% aq. H3PO4.The reaction mixture was stirred at 100℃ for 5h to give 61% 1. The product has been characterized by IR, ￣1HNMR, MS, UV, TLC and elemental analysis.