Reaction scheme of F0340 with nBuLi on a trienal giving a mixture of 2E and 2Z fluoro dienoate esters, Y 95%

Fluorinating Reagent to Convert Carboxyl Groups into Trifluoromethyl Groups (FLUOLEAD)

FLUOLEAD (4-tert-Butyl-2,6-dimethylphenylsulfur trifluoride, TCI code B3664) is a white crystalline solid used for fluorination of hydroxyl or carbonyl groups and for converting carboxyl groups into trifluoromethyl groups in good yields. Compared with DAST, it is less fuming and reacts slowly with water, so it is easier to handle in open air. It has high thermal stability, with a thermal decomposition temperature of 232 °C by DSC analysis, and can also fluorinate thioketones and thioesters. Fluorination of hydroxyl or carbonyl groups can be carried out over a broad reaction condition range of 0 to 100 °C.⁷)

Reaction scheme of F0340 with nBuLi on a trienal giving a mixture of 2E and 2Z fluoro dienoate esters, Y 95%
Source: TCI brochure R5051
Scheme of the fluorinated nucleoside synthesis using F0341 with LiHMDS and subsequent deprotection
Source: TCI brochure R5051

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