Figure 1.
In vivo pretargeting based on the inverse electron demand Diels-Alder reaction. (A) The inverse electron demand Diels-Alder (IEDDA) ligation between 1,2,4,5-tetrazine and trans-cyclooctene; (B) Schematic of in vivo pretargeting based on the inverse electron demand Diels-Alder reaction. Adapted with permission from Membreno, R., Cook, B. E., Fung, K., Lewis, J. S. & Zeglis, B. M. Click-mediated pretargeted radioimmunotherapy of colorectal carcinoma. Mol Pharm 15, 1729-1734, (2018). Copyright 2018 American Chemical Society.