Two cis-connected cyclic tetraphenylethylenes, [2]c-CTPE and [3]c-CTPE, were synthesized by platinum-mediated cyclization. The strain energy of [2]c-CTPE is up to 86.28 kJ ⋅ mol⁻¹. [2]c-CTPE and [3]c-CTPE demonstrates typical Aggregation-Induced Emission (AIE) characteristics. Moreover, both [2]c-CTPE and [3]c-CTPE display mechanofluorochromic properties.

中文翻译：

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顺式连接的环四亚苯基：合成、结构和荧光性质

通过铂介导的环化合成了两个顺式连接的环状四苯乙烯，[2]c-CTPE和[3]c-CTPE 。 [2]c-CTPE的应变能高达86.28 kJ ⋅ mol ⁻¹。[2]c-CTPE和[3]c-CTPE表现出典型的聚集诱导发射 (AIE) 特性。此外，[2]c-CTPE和[3]c-CTPE均显示出机械荧光变色特性。