Conversion of calix[3]pyrrole to calix[4]pyrrole (IMAGE)

Hokkaido University

Conversion of calix[3]pyrrole to calix[4]pyrrole

Caption

When dissolved in an organic solvent containing a weak acid, calix[3]pyrrole transforms into calix[6]pyrrole in under 30 seconds; calix[6]pyrrole, in turn, changes into calix[4]pyrrole over the course of four hours (Yuya Inaba, et al. Journal of the American Chemical Society. June 28, 2021).

Credit

Yuya Inaba, et al. Journal of the American Chemical Society. June 28, 2021

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