ABSTRACT
Fully N-confused calix[5]pyrroles 3 are prepared in high yield by the oligomerization of 3-hydroxyphenylmethylpyrrole 2 under acid-catalysed conditions at room temperature.
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ACKNOWLEDGMENTS
Q.C. thanks professor David Dolphin (University of British Columbia), in whose laboratory part of this work was initialized. J.M. thanks the 973 Project (G2000078100) and NSFC (20172055) and the National Key Laboratory for Structural Chemistry of Unstable and Stable Species who supported this work.