Synthesis of tributyl borate Preparation of tributyl borate

Place 61.8 g in a 500 ml round-bottomed flask, add 22 g of butyl alcohol. Equip the flask with a 50 or 60 ml Dean-Stark trap.
Heat the reaction mixture in an oil bath at 140*C while stirring until water stops separating.
The excess butyl alcohol is distilled off in a vacuum using a water pump, then tributyl borate is distilled off in a vacuum (temperatures differ).
Tributyl borate is "afraid" of moisture and hydrolyzes to boric acid and butyl alcohol. It is stable in air for 3-4 minutes.

[@midwestchem368]

Oooh i hate the smell of n butanol 🤢
A little spilled in my container of all of my alcohols and i havent been able to get all the smell out.
Very cool video! Any plans to use the tributyl borate produced for another synthesis?

[@bobh5004]

Oh, yes, it smells terrible, if it spills you have to ventilate the room for a long time. Yes, it will be used in the synthesis of coumarins, in one of the possible future videos.
Thanks for watching and commenting

[@midwestchem368]

@bobh5004 Very cool. Well, I hope to see that in the future. A synthesis of a coumarin would be very interesting!

[@bobh5004]

@@midwestchem368 Oops, I have curcumin (simple) on my channel, and a video of coumarin synthesis will be in the future. Tributyl borate is needed in the synthesis of curcumins. Please forgive me, I made a slight mistake

[@midwestchem368]

@bobh5004 oh that's quite ok no worries! Honestly curcumins would be even better since i don't believe there's any videos here yet.

[@bobh5004]

@@midwestchem368 I have a video on my channel about curcumin synthesis.