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. Author manuscript; available in PMC: 2021 Aug 16.
Published in final edited form as: Macromol Chem Phys. 2017 Aug 21;218(21):1700273. doi: 10.1002/macp.201700273

Figure 3. Synthesis and NMR peak assignment of fluorescent oxanorbornene imide monomers M1, M2 and M3.

Figure 3

a) Green-fluorescing NBD-monomer M1 (I: CH2Cl2, diisopropylethylamine); b) blue-fluorescing COU-monomer M2 (II: acetone, K2CO3); c) red-fluorescing RHB-monomer M3 (III: MeOH). The numbering of atoms of the products refers to the peak assignments in the Experimental.