Organic Letters
Organic Letters
5 years ago

Spiroannulation of Oxindoles via Aryne and Alkyne Incorporation: Substituent-Diverted, Transition-Metal-Free, One-Pot Access to Spirooxindoles

Spiroannulation of Oxindoles via Aryne and Alkyne Incorporation: Substituent-Diverted, Transition-Metal-Free, One-Pot Access to Spirooxindoles
Goverdhan Mehta, Ramesh Samineni, Pabbaraja Srihari, Jaipal Madapa
A “product control via substrate design” strategy has been conceptualized and implemented to harness the potential of aryne and activated alkyne insertions into oxindoles to readily and efficiently furnish pharmacophoric indano- and cyclopentannulated spirooxindole scaffolds in an operationally straightforward, one-pot, transition-metal-free protocol.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b01233

DOI: 10.1021/acs.orglett.7b01233

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