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Sherwood AM, Claveau R, Lancelotta R, Kaylo KW, Lenoch K. 
“Synthesis and Characterization of 5-MeO-DMT Succinate for Clinical Use”. 
ACS Omega. 2020 Nov 22;5(49):32067-32075.
To support clinical use, a multigram-scale process has been developed to provide 5-MeO-DMT, a psychedelic natural product found in the parotid gland secretions of the toad, Incilius alvarius. Several synthetic routes were initially explored, and the selected process featured an optimized Fischer indole reaction to 5-MeO-DMT freebase in high-yield, from which the 1:1 succinate salt was produced to provide 136 g of crystalline active pharmaceutical ingredient (API) with 99.86 peak area by high-performance liquid chromatography (HPLC) and a net yield of 49. The report provides in-process monitoring, validated analytical methods, impurity formation and removal, and solid-state characterization of the API essential for subsequent clinical development.
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