Fig. 7

Postulated mechanism for the TAC reactions. a Plausible catalytic cycle. b NMR study of deuterium-labeling experiment. c NMR study of DBU-CF3CHN2 interaction

Postulated mechanism for the TAC reactions. a Plausible catalytic cycle. b NMR study of deuterium-labeling experiment. c NMR study of DBU-CF3CHN2 interaction