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. 2019 Aug 14;10(39):9069–9076. doi: 10.1039/c9sc03479j

Fig. 4. Products from mode C three-component reactions using monoprotic nucleophiles. Trapping of zwitterions (cf.III) by (a) CCl3-containing electrophiles and (b) carbon-acids (terminal alkynes or fumaronitrile). I ar = atropisomeric ratio (observed by 1H NMR spectroscopy, see ESI†).

Fig. 4