Figure S1. 1H NMR spectrum of 1 (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S2. 13C NMR spectrum of 1 (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S3. FT-IR spectrum of 1.

Figure S4. 1H NMR spectrum of 2a (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S5. 13C NMR spectrum of 2a (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S6. FT-IR spectrum of 2a.

Figure S7. 1H NMR spectrum of 2b (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S8. 13C NMR spectrum of 2b (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S9. FT-IR spectrum of 2b.

Figure S10. 1H NMR spectrum of 2c (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S11. 13C NMR spectrum of 2c (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S12. FT-IR spectrum of 2c.

Figure S13. 1H NMR spectrum of 2d (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S14. 13C NMR spectrum of 2d (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S15. FT-IR spectrum of 2d.

Figure S16. 1H NMR spectrum of 3a (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S17. 13C NMR spectrum of 3a (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S18. FT-IR spectrum of 3a.

Figure S19. 1H NMR spectrum of 3b (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S20. 13C NMR spectrum of 3b (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S21. FT-IR spectrum of 3b.

Figure S22. 1H NMR spectrum of 3c (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S23. 13C NMR spectrum of 3c (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S24. FT-IR spectrum of 3c.

Figure S25. 1H NMR spectrum of 3d (in CDCl3, 25 °C, TMS, 400 MHz).

Figure S26. 13C NMR spectrum of 3d (in CDCl3, 25 °C, TMS, 101 MHz).

Figure S27. FT-IR spectrum of 3d.

Table S1. Crystal data and structure refinement parameters for 3a and 3d.

Table S2. Selected geometric parameters for 3a and 3d.