ACCEPTED MANUSCRIPT
Ph3SnCH2CH2CONHN=C(CH3)2 (TPT-1): Colorless crystal; Yield: 87.3%; Mp,134.9-136.5 °C;
1
IR (KBr): 1663 cm-1 (C=O) 1541 cm-1 (C=N); H NMR (500 MHz, CDCl3) δ7.97 (s, 1H), 7.61 –
7.56 (m, 6H), 7.34 (dd, J = 4.8, 1.8 Hz, 9H), 3.03 (t, J = 7.7 Hz, 2H), 2.31 (t, J = 7.3 Hz, 2H), 1.69
(d, J = 5.7 Hz, 6H). Elemental analysis: Found: C 61.09, H 5.78, N 5.65, O 3.30%, anal. Calcd. for
C25H28N2OSn: C 61.13, H 5.75, N 5.70, O 3.26%. ESI-MS (m/z): [M+Na]+ Calcd for
C24H26N2OSn, 501.11; Found 501.33.
Ph3SnCH2CH2CONHN=C(CH3)(C2H5) (TPT-2): Colorless crystal; Yield: 80.6% ; Mp, 129.3-
130.5 °C; IR (KBr): 1660 cm-1 (C=O), 1548 cm-1 (C=N); 1H NMR (500 MHz, CDCl3) δ 8.04 (d, J
= 21.6 Hz, 1H), 7.59 (dd, J = 5.3, 1.9 Hz, 6H), 7.34 (dd, J = 8.1, 5.0 Hz, 9H), 3.04 (t, J = 7.8 Hz,
2H), 2.22 (q, J = 7.4 Hz, 2H), 1.72 – 1.66 (m, 5H), 1.04 (t, J = 7.2 Hz, 3H). Elemental analysis:
Found: C 61.18, H 5.69, N 5.68, O 3.25%, anal. calcd. for C25H28N2OSn: C 61.13, H 5.75, N 5.70,
O 3.26%. ESI-MS (m/z): [M+Na]+ Calcd for C25H28N2OSn, 515.12; Found 515.33.
Ph3SnCH2CH2CONHN=CC4H8 (TPT-3): Colorless crystal; Yield: 81.6%; Mp, 146.3-147.6 °C;
1
IR (KBr): 1652 cm-1 (C=O), 1548 cm-1 (C=N); H NMR (500 MHz, CDCl3) δ 7.77 (s, 1H), 7.59
(dd, J = 6.3, 3.0 Hz, 6H), 7.34 (dd, J = 4.8, 1.8 Hz, 9H), 3.02 (t, J = 7.6 Hz, 2H), 2.33 (t, J = 7.2
Hz, 2H), 2.03 (t, J = 6.9 Hz, 2H), 1.85 – 1.78 (m, 3H), 1.73 (dt, J = 10.0, 4.9 Hz, 3H). Elemental
analysis: Found: C 62.11, H 5.59, N 5.61, O 3.21%, anal.calcd for C26H28N2OSn: C 62.06, H 5.61,
N 5.57, O 3.18%. ESI-MS (m/z): [M+Na]+ Calcd for C26H28N2OSn, 527.12; Found 527.33.
Ph3SnCH2CH2CONHN=CC7H12 (TPT-4): Colorless crystal; Yield: 78.2%; Mp, 94.3-94.7 °C;
IR (KBr): 1666 cm-1 (C=O), 1428 cm-1 (C=N); 1H NMR (500 MHz, CDCl3) δ 8.16 (s, 1H), 7.59
(dd, J = 6.3, 3.1 Hz, 6H), 7.33 (td, J = 4.8, 2.0 Hz, 9H), 3.03 (t, J = 7.7 Hz, 2H), 2.32 – 2.26 (m,
2H), 2.20 – 2.14 (m, 2H), 1.61 (dt, J = 15.5, 6.0 Hz, 4H), 1.55 – 1.42 (m, 6H), 1.35 (dd, J = 14.0,
8.9 Hz, 2H); Elemental analysis: Found: C 63.91, H 6.26, N 5.12, O 2.92%, anal.calcd for
C29H34N2OSn: C 63.87, H 6.28, N 5.14, O 2.93%. ESI-MS (m/z): [M+Na]+ Calcd for
C29H34N2OSn, 569.17; Found 569.42.
Acknowledgments
We thank Student's Platform for Innovation and Entrepreneurship Training Program of Shandong
Province (201710446042), the National Natural Science Foundation of China (Grant No.
21671118) and the Taishan Scholars Program for support.
Notes
The authors declare no competing financial interest.
References
[1] B. Rosenberg, L. Vancamp, J. E. Trosko, V. H. Mansour, Nature 222 (1969) 385-386.
[2] X. Wang, Z. Guo, Chem. Soc. Rev. 42 (2013) 202-224.