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Ozonelabs- Synthesis of 1,4-Bis(3-chloropropoxy)benzene
Is there a reason you didn't follow a standard phenol alkylation prep? Most often this reaction is d ... |
24-1-2010 at 09:02
by: Arrhenius |
lefetamine
Haha.. cool. I proposed that route just up thread =P |
18-1-2010 at 20:12
by: Arrhenius |
Felkin-Anh, Cram & Burgi-Dunitz angle
DJF90: Sorry but Felkin-Anh selectivity would apply in this case, not Cram, which is usually 'anti-F ... |
18-1-2010 at 07:31
by: Arrhenius |
lefetamine
Nevermind this comment... waste your time being paranoid while I do chemistry.
[Edited on 18-1-2010 ... |
17-1-2010 at 21:30
by: Arrhenius |
lefetamine
turd: Howdy. I don't think anything except methylamine is suspicious here. I don't even think benza ... |
17-1-2010 at 17:05
by: Arrhenius |
lefetamine
Let me offer a few suggestions, because I don't really care what you want this compound for (it's pr ... |
17-1-2010 at 10:06
by: Arrhenius |
Mechanism
http://en.wikipedia.org/wiki/Potassium_peroxymonosulfate
Just like with organic peroxyacids (e.g. ... |
15-1-2010 at 06:18
by: Arrhenius |
Mechanism
4 to 8 is nucleophilic attack of the amine lone pair on the acid chloride with addition/elimination ... |
14-1-2010 at 15:32
by: Arrhenius |
Aldol Condensation of Piperonal with Acetone
The Baeyer-Villiger oxidation of the enone is going to be problematic. This is a nucleophilic react ... |
3-1-2010 at 17:12
by: Arrhenius |
HCl in IPA
Looks right, though the 1/0.030 is confusing. What is this? You should include units in calculations ... |
17-12-2009 at 07:56
by: Arrhenius |
Total Synthesis of Carpanone from Catechol
For direct hydroxylation of aryl halides see:
Tetrahedron (2006) 62(19) 4728-4732 (microwave cond ... |
10-12-2009 at 21:17
by: Arrhenius |
Frozen reagent bottle stopper
All of those solvents are high bp. Heat the outside of the joint <i>quickly</i> with a ... |
8-12-2009 at 08:01
by: Arrhenius |
Preparation of Bromine
Looks good. Can you elaborate on the amount of heat you applied to the reaction? Possible ways to t ... |
7-12-2009 at 22:13
by: Arrhenius |
Conversion of Ecgonidine methyl ester to Ecgonine methyl ester
Thanks Nicodem - valid points. If hydroboration of an alpha-beta unsaturated ester is impossible, t ... |
7-12-2009 at 17:19
by: Arrhenius |
Conversion of Ecgonidine methyl ester to Ecgonine methyl ester
Any introductory organic textbook (I recommend Brown, Foote, Iverson or Vollhardt) will discuss hydr ... |
6-12-2009 at 19:45
by: Arrhenius |
Conversion of Ecgonidine methyl ester to Ecgonine methyl ester
[quote]
to date no one has ever published going from anhydroecgonine to ecgonine. but with this new ... |
6-12-2009 at 17:51
by: Arrhenius |
Conversion of Ecgonidine methyl ester to Ecgonine methyl ester
Issue 1: "benzoyl methyl ecgonidine" <b>IS</b> cocaine. (see IUPAC name Fig 1B)
Issue ... |
6-12-2009 at 17:33
by: Arrhenius |
Conversion of Ecgonidine methyl ester to Ecgonine methyl ester
Firstly, I'll say BS to the whole antagonist crap. Most antagonists don't mimic substrate or ligand ... |
6-12-2009 at 12:21
by: Arrhenius |
Hi,all, help me draw this structure, ths
Not just the picture, but please put a reference to the journal article you're asking about.
Fo ... |
3-12-2009 at 06:30
by: Arrhenius |
Cheapest Hydroxylamine
1.) Its salt is definitely safe to work with, unless you want to heat it dry or perhaps with a flame ... |
2-12-2009 at 19:28
by: Arrhenius |
Hi,all, help me draw this structure, ths
In the future, it's helpeful for others if you post the reference in your first post.
Bioorganic ... |
2-12-2009 at 19:01
by: Arrhenius |
Hi,all, help me draw this structure, ths
You can input (some) names into ChemDraw. What you have is not an IUPAC (International Union of Pur ... |
1-12-2009 at 22:13
by: Arrhenius |
D-labelled glycine methyl ester synthesis?
I mean Aldol reaction in the sense of an enolate reacting specifically with an aldehyde electrophile ... |
28-11-2009 at 19:08
by: Arrhenius |
D-labelled glycine methyl ester synthesis?
The limited solubility of metal hydrides makes it difficult to quantitatively form the enolate, henc ... |
28-11-2009 at 15:34
by: Arrhenius |
D-labelled glycine methyl ester synthesis?
From methyl glycinate:
-Install N-CBZ protecting group (or other, probably Bz is better - non eno ... |
25-11-2009 at 17:45
by: Arrhenius |
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