pHarmacist (Hive Bee)
10-07-02 07:43
No 365492
      DMT via enamine reaction, possible...?  Bookmark   

This is a result of my wild imagination rather than something serious, but could it work?



[pH]armacist - Never underestimate the power of retrosynthesis. Svenskar suger på fotboll!
 
 
 
 
    Cyrax
(Hive Bee)
10-07-02 08:23
No 365504
      Good work  Bookmark   

The Stork enamine alkylation is a good idea, however I don't see how you can easily go from the ketone to the indole ring.  Probably you need to reduce it first and then subject the alcohol to a beta-elimination.

The synthesis is a bit elaborate, but I don't see why the hell it shouldn't be possible.  It looks OK, mechanistically speaking.

Glad to see you like retrosynthesis (it rules).  Now, the following step would be: look up the reactions in the chemical literature to obtain lab procedures.  If the yield are OK, your synthetic scheme would be great.

Keep up the good work smile.
 
 
 
 
    Lilienthal
(Moderator)
10-07-02 13:48
No 365597
      Nice idea. The last reaction can be accomplished .  Bookmark   

Nice idea. The last reaction can be accomplished with LiAlH4. But there might be a few problems:

- The first compound is not a ketone, it's an amide (or better: an anilide), so the first reaction might not work as expected.

- The second compound is not an enamine and will probably not react like one, it's an amino substituted aromatic ring similar to aniline.

- The product of the alkylation reaction will probably aromatize immediately, leaving you with a 2-pyrrolidyl-tryptamine.

 
 
 
 
    Cyrax
(Hive Bee)
10-07-02 14:19
No 365609
      The synthesis is a bit elaborate, but I don't see ...  Bookmark   

The synthesis is a bit elaborate, but I don't see why the hell it shouldn't be possible.  It looks OK, mechanistically speaking.

Damned, I 'm a bit ashamed here ... I completely overlooked the amide (stupid me ...).  Yup, amides definitely don't react like ketones (resonance) ... so it won't work ... frown
 
 
 
 
    pHarmacist
(Hive Bee)
10-07-02 15:08
No 365629
      Lilienthal  Bookmark   

Lilienthal: Of course, i didn't give it much thought, not at much all, it seemed ok then, but of course indolic nitrogen has a free e-par ... something I often miss when it comes to indolum :).. well I guess I'll have to dust myself off and try agin.. my bad thank you for remarks guys.. :(

[pH]armacist - Never underestimate the power of retrosynthesis. Svenskar suger på fotboll!