3 years ago

Organocatalytic Asymmetric One‐Step Desymmetrizing Dearomatization Reaction of Indoles: Development and Bioactivity Evaluation

Lei Peng, Da Xu, Xiaohong Yang, Jiakun Tang, Xuli Feng, Shao-Lin Zhang, Hailong Yan


An organocatalytic one‐step desymmetrizing dearomatization reaction of indoles with in situ formed vinylidene ortho‐quinone methide (VQM) is reported. A set of [6‐6‐5] and/or [5‐6‐5] fused indoline heterocycles were obtained in excellent yields with excellent diastereoselectivities (>20:1 dr) and enantioselectivities (up to 99% ee). Moreover, some of the obtained products were screened against a panel of cancer cell lines, and 2s was identified to inhibit the proliferation of all the tested cancer cells, but showed the marginal effect against non‐cancerous cells. The methodology provides a platform for the synthesis of new leading compounds with antitumor activity.

Publisher URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201811437

DOI: 10.1002/anie.201811437

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