Attention has been drawn to the fused quinoline backbone due to the noteworthy biological and pharmaceutical activities. Thus, focus on innovative synthesis pathways of fused-cyclic quinoline has crucial stand in the organic synthesis. In this review, we categorized fused quinoline backbone synthesis methodologies based on ring-fused volume size. Also, comparison of synthesis pathways has been referred in this review.

中文翻译：

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稠环喹啉合成最新进展

由于值得注意的生物和药物活性，稠合喹啉主链已引起人们的注意。因此，关注稠环喹啉的创新合成途径在有机合成中具有至关重要的地位。在这篇综述中，我们根据环稠合体积大小对稠合喹啉主链合成方法进行了分类。此外，本综述还提到了合成途径的比较。