The effects of nitrolysis agents and reaction conditions on the purity and yield of nitrolysis product of tetraacetyldichloroacetylhexaazaisowurtzitane (TADCIW) were investigated, and the related reaction mechanism was discussed. Tetranitrodichloroacetylhezaazaisowurtzitane (TNDCIW) with high purity could be obtained in high yield (94%～98%) by nitrolysis of TADCIW using a mixture of fuming nitric acid and concentrated sulfuric acid or a mixture of alkali metal nitrate and concerntrated sulfuric acid as nitrolysis agents. Besides, the mixture acid from fuming acid and concentrated sulfuric acid could be reused. In the case of nitrolysis agent of a mixture of fuming nitric acid and phosphorus pentoxide or a mixture of concentrated nitric acid and concentrated sulfuric acid, the yield of TNDCIW was quite low(13%～40%).%研究了几种硝解剂及硝解条件对四乙酰基二氯乙酰基六氮杂异伍兹烷(TADCIW)硝解产物的纯度和得率的影响，讨论了有关的机理，用发烟硝酸-浓硫酸或碱金属硝酸盐-浓硫酸硝解TADCIW，可得到纯度很高的四硝基二氯乙酰基六氮杂异伍兹烷(TNDCIW)，得率达到94%～98%，硝解时间短，硝硫混酸可以再利用；但用发烟硝酸-五氧化二磷或浓硝酸-浓硫酸硝解TADCIW的得率很低。
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