0537876 - ÚOCHB 2021 RIV eng P - Patent Document
Beier, Petr - Matoušek, V. - Blastik, Zsófia E. - Voltrová, Svatava
Process for the preparation of azidoperfluoroalkanes and N-polyfluoroalkyl azides.
2020. Owner: Ústav organické chemie a biochemie AV ČR, v. v. i. - CF Plus Chemicals s.r.o. Date of the patent acceptance: 17.03.2020. Patent Number: US10590091
Institutional support: RVO:61388963
Keywords : azides * fluorine * triazole
OECD category: Organic chemistry
https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=US&NR=10590091B2&KC=B2&FT=D&ND=4&date=20200317&DB=&locale=en_EP

Process for the preparation of azidoperfluoroalkanes and azidopolyfluoroalkanes of general formula RF—N3, where RF is chosen from a group containing CnF2n+1, CnFxH2n+1−x, CnFxX2n+1−x or R1CF2CF2, where n is an integer in the range of 1 to 10, x is an integer in the range of 2 to 20, X is Cl, Br, or I, R1 is C1-10 alkyl, ArO, ArS, imidazolyl, benzimidazolyl, or pyrazolyl and Ar is phenyl or substituted phenyl, by the reaction of electrophilic azidation reagent of general formula R2—N3, where R2 is n-C4F9SO2, ArSO2, Br, I, with synthetic equivalent of polyfluoroalkylated carbanion of general formula [RF]−.
Permanent Link: http://hdl.handle.net/11104/0316299