N&PD Moderators: Skorpio
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Rectify
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PEZACILLIN_KILLIN'
1-(4-nitrophenyl)-1-chloro-3-chloro-2-(dichloroacetamido)propane
from Chloramphenicol in ONE STEP using
Cl-(C=O)-Cl or PCl5.
aber,
Do you know how hard and expensive it is to get a new antibiotic drug approved by the FDA? ¡Muy Difficil!Rectify
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Rectify
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Rectify
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Smyth2
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PAL-329
KISS
1-phenyl-3-hydroxy-2-methylaminopropane
Smyth2,
Do you know if something as simple and hopefully as elegant as this KISS would work?
(R)-2-Amino-3-phenylpropan-1-ol, D-Phenylalaninol.
[5267-64-1]

This weak stimulant can be used in the synthesis of Solriamfetol.
Kohut SJ, Jacobs DS, Rothman RB, Partilla JS, Bergman J, Blough BE. Cocaine-like discriminative stimulus effects of "norepinephrine-preferring" monoamine releasers: time course and interaction studies in rhesus monkeys. Psychopharmacology (Berl). 2017 Dec;234(23-24):3455-3465. doi: 10.1007/s00213-017-4731-5. Epub 2017 Sep 9. PMID: 28889212; PMCID: PMC5747253.4DQSAR
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Why?
Because the Chinese manufacturer had simply made the hydrochloride salt. I even asked them if they could produce various different addition salts so we could perform some basic tests. I don't just mean solubility but details such as stability. As soon as you end up with hemi or tripos addition salt, there may be a tendency for the product to be hygroscopic which poses problems of storage and ROAs. It turned out that they had optimized their mephadrone production so much that introducing a different addition salt would have caused them major difficulties. I can only presume they had a devoted production line.
I'm certainly surprised that we have yet to see those examples with longer alkyl chains not simply replacing the terminal methyl moiety for a fluoromethyl moiety. Cost is, I assume, the issue. Amazing to think that pyrophenidone first turned up about a deade ago but it's only now that others are offering it as an RC. It was hardly a work of genius given that lefetamine has been known since the 1940s and that zylofuramine simply underlined the fact that the B-ring is simply a bioisostere of an N-propyl moiety.
Zylofuramine is also interesting because in a similar manner to the cathinones, there is an amine function on a carbon adjascent to a carbon with an oxygen containing function. As far as I can tell, it's the ability of the lone-pairs to interact that makes tertiary amines MORE potent than secondary amines which in there turn are more potent than primary amines.Rectify
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ASPIRIN (sodium O-acetylsalicylate)
sodium 2-acetoxybenzoate
Zo ate!
TYLENOL (acetaminophen)
4-hydroxy-N-acetylaniline
IBUPROFEN (Advil, Motrin)
sodium 2-(4-isobutyl-phenyl)propionate
AMPHETAMINE (Adderall)
1-phenyl-2-aminopropane
CAFFEINE (found in real coffee)
1,3,7-trimethyl-xanthine
BENADRYL (diphenhydramine)
1,1-diphenylmethyl-2-(dimethylamino)ethyl etherSmyth2
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How about Marsanidine & Marsilid?