I am having difficulty finding a procedure for making tertiary amines in the lab, any is fine but I am specifically interested in tributylamine.

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    $\begingroup$ Best way of doing it is by reductive amination between dibutylamine and butanal. Sodium Triacetoxyborohydride is a good reducing agent for this, can be done in dichloromethane. See pubs.acs.org/doi/10.1021/jo960057x Tributylamine is widely commercially available. $\endgroup$
    – Waylander
    May 11 at 6:45
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    $\begingroup$ Do you have access to database searches eg SciFinder, Reaxys? If you do, you should learn to use these. $\endgroup$
    – orthocresol
    May 11 at 8:16
  • $\begingroup$ Check the chemical inventory of your group / department / shop; a purchase of $\ce{NBu3}$ may be cheaper or / and faster than running a synthesis by your own. Equally, for learning, consider the relevant entries on organic-chemistry.org for that they set a reaction into context of application / contemporary literature references. With some names / name reactions retained, you will find your way through the general entry here, too. $\endgroup$
    – Buttonwood
    May 11 at 11:49