Synthesis of chromeno[2,3- c ]pyrrol-9(2 H )-ones (microreview)

This microreview provides a comprehensive analysis of synthetic approaches to chromeno[2,3- c ]pyrrol-9(2 H )-ones, a promising class of compounds that incorporate chromene and pyrrole frameworks. Starting from their earliest mentions and encompassing the latest advancements, this review categorizes the synthetic methods based on the structure of the starting materials.