METHOD FOR PRODUCING FLUORALKYL-CONTAINING TRIBUTYLSTANNANE Russian patent published in 2023 - IPC C07F7/22 

FIELD: organic; organometallic chemistry.

SUBSTANCE: method for producing fluoroalkyl-containing tributylstannanes used in organic synthesis both in fluoroalkylation reactions and in stannylation reactions of organic molecules. A method has been proposed for the preparation of compounds of the general formula (CH₃CH₂CH₂CH₂)₃SnRf (I), where R_f=CF₃, C₂F₅, CF₂H, which involves the interaction of tributylalkoxystannanes n-Bu₃SnOAlk, where Alk denotes (C₁-C₄)alkyl, with fluoroalkyl-containing trimethylsilanes Me₃SiR_f, where R_f=CF₃, C₂F₅, CF₂H, in the presence of a catalyst used in an amount of 0.5-20 mole percent, in this case, n-Bu₄N⁺F^-, KF, CsF, tert-BuO^-K⁺, tert -potassium amylate, NaOMe, NaOEt are used as a catalyst.

EFFECT: new effective method for producing fluoroalkyl-containing tributylstannanes of high purity with high yield from available reagents.

1 cl, 5 ex