Fig. 6: ssNMR spectra of CH313COCl reacted with dehydrated H-MOR zeolite and the proposed scheme of the intermediates evolution. | Nature Communications

Fig. 6: ssNMR spectra of CH313COCl reacted with dehydrated H-MOR zeolite and the proposed scheme of the intermediates evolution.

From: Charge-separation driven mechanism via acylium ion intermediate migration during catalytic carbonylation in mordenite zeolite

Fig. 6: ssNMR spectra of CH313COCl reacted with dehydrated H-MOR zeolite and the proposed scheme of the intermediates evolution.

a 13C MAS NMR spectra of different loadings at 333 K for 2 h. (i) 0.5 kPa, (ii) 0.8 kPa, (iii) 1.0 kPa, and (iv) 1.5 kPa. b In situ 13C MAS NMR spectra of CH313COCl adsorbed on dehydrated H-MOR zeolite at different reaction conditions. c Assignation to chemical shifts, and the evolution of ketene, surface acetyl and acylium ion in different channels.

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