The photodimerization reaction of an anthracene moiety in the smectic phase proceeded quantitatively and regioselectively.

【文】[GRAPHICS] Thermotropic liquid crystallinity can be induced for an anthracene having a dendritic substituent.

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

炔二氰与蒽环加成反应合成了11,12-二氰-9,10-二氢-9,10-亚烯基蒽(4),4分子4自身加成聚合制备了一全新凹型四氮杂口卜啉结构化合物。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠变病是结肠的一非炎症性、良性、可逆性的以色素沉着为特征的病变,该病的发生与长期便秘服用蒽琨类泻剂有关。

In Estonia three types of shale tar have been used as alternatives to anthracene oil or carbolineum.

在爱沙尼亚，已有页岩焦油用作蒽油或氯化蒽油的替换物。

Our study to I-V curves of naphthalene-dithiol and anthracene- dithiol shows the nonclassical behavior of molecular transport.

我们对于并苯、并苯分子的电流曲线的研究则揭 1 2 示了分子输运的非经典行为。