Electronic Supplementary Material (ESI) for RSC Advances. This journal is © The Royal Society of Chemistry 2019 Preparation of monoethyl fumarate-based molecularly imprinted polymers and their application as SPE sorbent for enrichment of scopolamine from tropane alkaloids Jie Zuo a, Xingyuan Zhang a*, Xinyu Li a, Zhiwei Li a, Zongren Li a, Honghong Li b, Wencheng Zhang b*. a CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, PR China. E-mail:
[email protected]. b Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, P. R. China. E-mail:
[email protected]. 1. 1H NMR spectra The structure of synthetic functional monomer was identified using 1H NMR 1 spectra. As seen from Fig. S1, H NMR (400 MHz, DMSO-d6) δ: 1.21 (t, J=8 Hz, 3H), 4.14 (dd, J1=4 Hz, J2=8 Hz, 2H), 6.36 (q, J=12Hz, 2H), 12.97 (s, 1H), which proved mmaa-a-26 38000 HDO DMSO DMSO DMSO DMSO DMSO 36000 12.97 6.39 6.36 6.36 6.33 4.16 4.14 4.13 4.11 3.36 2.51 2.51 2.50 2.50 2.50 1.23 1.21 1.19 -0.00 34000 e 32000 30000 a O 6 28000 HO 4 b&c 26000 7 c 1 2 24000 b 22000 3 O 8 d 20000 O 9 d 18000 5 16000 H3C 10 DMSO 14000 e 12000 H2 O 10000 8000 6000 4000 a 2000 0 -2000 0.95 2.00 2.06 3.06 13.0 12.0 11.0 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 f1 (ppm) that MFMA had been successfully synthesized.