Abstract
Microscale radiosynthesis on a miniaturized device has been reported as a promising tool for positron emission tomography. Here, we studied miscroscale-level radiosynthetic conditions by examining several microscale reactions that affect the radiochemical yield of 3′-deoxy-3′-[18F]fluorothymidine ([18F]FLT). [18F]FLT was prepared with 3-N-Boc-5′-O-dimethoxytrityl-3′-O-nosyl-thymidine using the cartridge purification method. [18F]FLT was prepared with a yield of 71%, and the product's purity was greater than 99%. Our results provide a new guideline for microscale [18F]FLT radiosynthesis.
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