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Atom-Economic Synthesis of 4-Pyrones from Diynones and Water

  † These authors contributed equally to this work.

A peer-reviewed article of this preprint also exists.

Submitted:

08 January 2017

Posted:

09 January 2017

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Abstract
Transition-metal-free synthesis of 4-pyrones via TfOH-promoted nucleophilic addition/cyclization of diynones and water has been developed. This transformation is simple, atom economical and environmentally benign, providing rapid and efficient access to substituted 4-pyrones.
Keywords: 
4-pyrones
;  
diynones
;  
water
;  
transition-metal-free
Subject: 
Chemistry and Materials Science  -   Organic Chemistry
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