N&PD Moderators: Skorpio
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Rectify
Bluelighter
benzene
Cl-(C=O)-CH2-(C=O)-Cl
1,3-dichloroacyl-maleic acid
AlCl3(s)
1,3-dioxoindan
Protect oxo's with ethylene glycol, then react with Cl-(C=O)CH2CH3 and AlCl3. Then Br2, then deprotect with H+.
1-(1,3-dioxoindan-5-yl)-1-oxo-2-bromopropane
pyrrolidine
1-(1,3-dioxo-indan-5-yl)-1-oxo-2-(1-pyrrolidinyl)-propane
You might have to fiddle around with the protecting groups, but this is the gist of it.Rectify
Bluelighter
acetylene
Diels Alder
benzene
1-chloro-1-oxopropane
AlCl3
Friedel Crafts
1-phenyl-1-oxopropane
Br2
1-phenyl-2-bromo-1-oxopropane
CH3CH2NH2
1-phenyl-1-oxo-2-ethylaminopropane
NaBH4
1-phenyl-1-hydroxy-2-ethylaminopropane
Cl-(C=O)-Cl
1-phenyl-1-chloro-2-ethylaminopropane
KCN
1-phenyl-1-cyano-2-ethylaminopropane
H3O+
1-phenyl-1-carboxy-2-ethylaminopropane
FANCY_FEAST
1-phenyl-1-carbomethoxy-2-ethylaminopropane
Bon apetit!unodelacosa
Bluelighter
Ah yes, my good ol' buddy of the Mà Huà ng persuasion.
DOUBLE_DEXTER_FINN_AGAIN
(1S,2S)-1-phenyl-1-carbomethoxy-2-methylaminopropane
from
(1R,2S)-1-phenyl-1-hydroxy-2-methylaminopropane
Yes, starting from the (1R,2S)-configuration, the hydroxyl group is converted to a leaving group, such as a mesylate or tosylate. But it's switched back during the second substitution that reacts the resulting compound from the first step with… well I guess something like, α-methoxyacetyl chloride, introducing the carbomethoxy group, no? I'm speculating on the synthetic route a bit here.
Pseudoefffffffiiiiii mean pseudomà huà ng, IIRC. Hmm, I'm reminded of PPA and Aminorex synthesis at the moment.
(1S,2S)-1-phenyl-1-hydroxy-2-methylaminopropane
Right? That's how I see it, too. One would start from the (1R,2S) config, and not the pseudo one, (1S,2S).
Forgive me for being pedantic and splitting hairs a bit here… The pair of enantiomers with the stereochemistry (1R,2S) and (1S,2R) is traditionally designated "ephedrine", while the pair of enantiomers with the stereochemistry (1R,2R) and (1S,2S) is called "pseudoephedrine". I know you know this already, but I figured it would hurt to post as a reminder to anyone reading this thread… who probs know it too, but … it's in the interests of science and, by extension perhaps if not directly, harm reduction.unodelacosa
Bluelighter
Probably weak as a stimulant, you're saying, right? And yeah I can't imagine that n-substituted ethylhydroxy bond would do much to help w/potency or even perceptible activity without super high/dangerous doses.
ALCOHOLIC_AMPHETAMINE
N-(2-hydroxyethyl)-1-phenyl-2-aminopropane
Probably weak. I don't know.
Rectify
Bluelighter
I know there are 2^n where n = 2 chiral centers means that there are 4 possible stereoisomers of ephedrine.
Interestingly, I have found that methamphetamine made from ma huang extract is smoother and weaker than that made from cold pills. I don't know why.
But believe it or not, I am not a meth chef.Rectify
Bluelighter
JASON_CHRISTOPHER
methyl (1R,2R,3S,5S)-3-(phenoxy)-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylate
If I Knew How To Make It, I Would Tell You So.
HO-CH2CH2-O-CH2CH2-OH
JAMES
Stronger Than It Looks
HUFFABLE_ALLICIN_WUNDERLANDE.
diallylsulfur