Author Topic: oihkal?  (Read 2601 times)

0 Members and 1 Guest are viewing this topic.

pickle11

  • Guest
oihkal?
« on: November 26, 2002, 04:28:00 AM »
correct me if im wrong.
1. tartaric acid can be isolated from cream of tartar.
2. tartaric acid can be reduced to succinic acid using I/H2S.
3. succinic acid can be neutralized with ammonium hydroxide and heated to form succinamide.
4. succinamide can be reacted ala

https://www.thevespiary.org/rhodium/Rhodium/chemistry/nbs.html

to yield n-bromosuccinamide
5. n-bromosuccinamide can be used ala

https://www.thevespiary.org/rhodium/Rhodium/chemistry/ppa.synthesis.html

to convert propenylbenzenes (asarone,anethole,isosafrole,isomyristicin,isoelemicin) into phenylpropanolamines
6. phenylpropanolamines can be reacted with cyanogen bromide to yield various ring substituted methylaminorex analogs. 
oxazolines i have known and loved.  I dont think any of them would be controlled substances or classified as analogs.

Rhodium

  • Guest
Yes, technically. But if you don't want to buy ...
« Reply #1 on: November 26, 2002, 05:28:00 AM »
Yes, technically. But if you don't want to buy NBS, then please buy succinimide or at least succinic anhydride - those two are not watched the least. Aqueous bromine also does the same job as NBS, but not as cleanly (= lower yield). But a whole lot less work than your proposition, I promise.

Also, it is much easier to make aminorex analogs from PPAs using potassium cyanate than with cyanogen bromide - the former is non-toxic, the latter is a vile volatile poison.

pickle11

  • Guest
bromohydrine?
« Reply #2 on: November 26, 2002, 05:48:00 AM »
what about the bromohydrine in the ppa synth.  is that repaceable, available, easily synthesized?

Rhodium

  • Guest
As I said, you can make that with aqueous bromine ...
« Reply #3 on: November 26, 2002, 05:54:00 AM »
As I said, you can make that with aqueous bromine instead of NBS - UTFSE here or at

http://patft.uspto.gov/netahtml/search-bool.html


L42L

  • Guest
Could you elaborate?
« Reply #4 on: December 04, 2002, 12:22:00 AM »
I'm afraid I need more info. Searched a few key  words (or so i thought ) into TFSE and am at a loss.
Asarone-ppa ala aq Br !?! 
Any sugestions/hints/info/direction from any bee concerning this would be fab.

thanks,
lurk

Rhodium

  • Guest
Search for "bromohydrin".
« Reply #5 on: December 04, 2002, 11:30:00 AM »
Search for "bromohydrin". Compounds with adjacent OH and Br groups are called that. Then you just select one of the preparations you find which doesn't use NBS.

L42L

  • Guest
help with succinic acid to succinamide
« Reply #6 on: January 17, 2003, 07:56:00 PM »
Could some bee help with a theoretical procedure for this. Ammonium hydroxide and heat? The idea of synthing a new compound (even if it is a questionable aminorex) is thrilling to say the least. Thanks for the spark pickle11.

Thanks beez,
Lurk

BTW Rhodium: It aint much but its more than nothing. Its in the mail this weekend ($) Your efforts are truly priceless. Thanks!

SPISSHAK

  • Guest
I like that concept
« Reply #7 on: January 17, 2003, 08:16:00 PM »
oxazolamines I have known and loved sounds like an intersting sequel to the phenylethylamines, too bad no one has done any research on the pharmacology or chemistry of ring substituded phenyloxazolamines.

starlight

  • Guest
just be aware of this
« Reply #8 on: January 18, 2003, 12:34:00 PM »

Post 346726 (missing)

(Dr_Heckyll: "4-Methylaminorex Dangers", General Discourse)