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1.这是苯的凯库勒结构简式。在苯分子中不存在典型的碳碳单键和碳碳双键,而是介于单键和双键之间的特殊键。这样的结构简式是为了纪念凯库勒对苯环结构的确立而做出的突出贡献。2.芳香族化合物芳香族化合物是指分子中含有一个或多个苯
1. This is the simple Kekule structure of benzene. There are no typical carbon-carbon single bonds and carbon-carbon double bonds in benzene molecules, but special bonds between single and double bonds. This simple structure is to commemorate Kekulee on the establishment of the benzene ring and made outstanding contributions. 2. Aromatic Compounds Aromatics means that the molecule contains one or more benzene