T. Xu et al., A REPORT OF A PERSISTENT ALLYL CATION ON H-ZSM-5 ZEOLITE WAS DUE TO PROPANAL, Journal of the Chemical Society, Chemical Communications, (23), 1994, pp. 2733-2735
A controversial report of a stable allyl cation intermediate formed du
ring allyl alcohol conversion in a zeolite was based on the misinterpr
etation of the C-13 NMR signal of [1-C-13]propanal by the claimants.