1) Stetter, H.; Krause, M.; Tetrahedron Lett. 1967, (19), 1841-3
2) Li, H.; Chang, J. H.; Li, S. S.; Guan, X. Y.; Li, D. H.; Li, C. Y.; Tang, L. X.; Xue, M.; Yan, Y. S.; Valtchev, V.; Qiu, S. L.; Fang, Q. R. J. Am. Chem. Soc. 2019, 141, 13324, DOI: 10.1021/jacs.9b06908 ; Three-Dimensional Tetrathiafulvalene-Based Covalent Organic Frameworks for Tunable Electrical Conductivity
3) Li, H.; Pan, Q. Y.; Ma, Y. C.; Guan, X. Y.; Xue, M.; Fang, Q. R.; Yan, Y. S.; Valtchev, V.; Qiu, S. L. J. Am. Chem. Soc. 2016, 138, 14783, DOI: 10.1021/jacs.6b09563 ; Three-Dimensional Covalent Organic Frameworks with Dual Linkages for Bifunctional Cascade Catalysis
4) Fang, Q.; Wang, J.; Gu, S.; Kaspar, R. B.; Zhuang, Z.; Zheng, J.; Guo, H.; Qiu, S.; Yan, Y. J. Am. Chem. Soc. 2015, 137, 8352, DOI: 10.1021/jacs.5b04147 ; 3D Porous Crystalline Polyimide Covalent Organic Frameworks for Drug Delivery