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. 2019 Feb 11;4(2):3000–3011. doi: 10.1021/acsomega.8b03521

Figure 1.

Figure 1

IR (a) and 1H NMR results (b) with corresponding peak assignment (c) of 1 (PPI—red), 2 (PPI–Me—green) and 3 (PPI-CB1—blue); and DOSY (d) results of product 3 PPI-CB1. Full assignment of NMR and IR spectra is provided in the Supporting Information.