Preprint
Communication
Atom-Economic Synthesis of 4-Pyrones from Diynones and Water
This version is not peer-reviewed.
† These authors contributed equally to this work.
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
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