Mono‐nitration of Coumarins by Nitric Oxide

Liandi Lei State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China

Desuo Yang State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China

Zhongquan Liu State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China

Longmin Wu State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, ChinaCorrespondence[email protected]

Abstract

A novel methodology for the efficient and selective nitration of coumarins has been developed. The reaction of coumarins containing a hydroxy group with nitric oxide in CH₂Cl₂ or CH₃CN gave aromatic mono‐ and regio‐specific‐nitrated coumarins in various yields.

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Acknowledgment

The authors thank The Natural Science Foundation of China for the financial support (The grant No 20272022).

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Mono‐nitration of Coumarins by Nitric Oxide

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Mono‐nitration of Coumarins by Nitric Oxide

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