HNO3/HFIP: A Nitrating System for Arenes with Direct Observation of π-Complex Intermediates,Organic Letters

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HNO3/HFIP: A Nitrating System for Arenes with Direct Observation of π-Complex Intermediates
Organic Letters ( IF 4.9 ) Pub Date : 2018-05-16 00:00:00 , DOI: 10.1021/acs.orglett.8b01028
Le Lu ₁ , Huixin Liu ₁ , Ruimao Hua ₁

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This report describes an efficient nitrating system for the nitration of arenes at room temperature by using an equivalent of nitric acid in HFIP (1,1,1,3,3,3-hexafluoroisopropanol). The π-complex intermediate of an arene with a nitronium ion stabilized by HFIP can be directly observed by UV–vis spectra and is supported by theoretical calculations.

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