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Selective Coumarin modification or destruction
You can hydrogenate the double bond in the heterocycle with pd/c in quant. yield, see tetrahedron, 6 ... |
27-6-2009 at 10:22
by: Sandmeyer |
Iodomethane prep.
Of curse, there is also classical preparation in Gatterman's Laboratory Methods of Organic Chemistry ... |
24-6-2009 at 08:59
by: Sandmeyer |
Possible, almost biomimetic route to synthetic morphinan
I don't understand, your post is too messy.  Write structural formulas for
convenience. I've repli ... |
29-5-2009 at 14:39
by: Sandmeyer |
Easy Ketamine
Doing the thermal 1,2-shift is in ethylene glycol gives 75% yield according to a czech patent. IIRC ... |
29-5-2009 at 12:12
by: Sandmeyer |
Straight to base extractions
[rquote=153418&tid=12270&author=DJF90]Yes and also how cocaine and other alkaloids are extra ... |
22-5-2009 at 15:03
by: Sandmeyer |
diphenyl ether
[rquote=151658&tid=12158&author=Ozone]It may form peroxides.
Cheers,
O3[/rquote]
H ... |
9-5-2009 at 19:49
by: Sandmeyer |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
[rquote=152570&tid=12162&author=hector2000]
Do you know price of Meli?(very expensive)and s ... |
9-5-2009 at 16:42
by: Sandmeyer |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
PS. Boric acid (OTC) catalysis can be used to make the amide (tertiary in this case) http://www.orgs ... |
9-5-2009 at 09:42
by: Sandmeyer |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
[rquote=152527&tid=12162&author=Sauron]It might help if you bothered to read the thread.
... |
9-5-2009 at 08:39
by: Sandmeyer |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
[rquote=152371&tid=12162&author=Sauron]Thanks Nicodem.
It was actually hector who wanted ... |
8-5-2009 at 21:01
by: Sandmeyer |
PEA and mek -> NPP?
Parkinson's? Is the discussion about the synthesis of MPPP which under certain reaction conditions l ... |
15-3-2009 at 19:18
by: Sandmeyer |
Allstar Lab?
Reading words like "USA" and "EU" brings up nostalgia, are these things still around and if so - in ... |
14-3-2009 at 05:01
by: Sandmeyer |
Allstar Lab?
[quote][i]Originally posted by 497[/i]
1,4 butanediol is apparently a (very toxic) prodrug to GHB,[ ... |
13-3-2009 at 15:35
by: Sandmeyer |
TLC solvents
What's the structure of the compounds you want to separate? In my experience in order for amines to ... |
20-2-2009 at 17:41
by: Sandmeyer |
Alkenes from alcohols- a problem
I don't see why Chugaev would be selective for that particular isomer. Anyways, the two isomers (50: ... |
20-2-2009 at 09:21
by: Sandmeyer |
Alkenes from alcohols- a problem
Why don't you show what R is? I have an idea but I don't want to share it since you want to selfishl ... |
19-2-2009 at 14:58
by: Sandmeyer |
The Wang-Hendrickson Synthesis
Sauron, thank you very much for posting Wang's dissertation. |
19-2-2009 at 13:32
by: Sandmeyer |
Acid to aldehyde w/o hydrides?
You can reduce acyl halides to aldehydes with Pd/C, classical reaction is called Rosemund reduction ... |
20-12-2008 at 02:33
by: Sandmeyer |
Synthesis of oxiracetam
I hope this is not another case of a simple seller exploiting the forum...
Ican't resist to ask - ... |
14-9-2008 at 04:27
by: Sandmeyer |
The Chemical Closet part II
[quote][i]Originally posted by ifyoucookitwewillcome[/i]
Start by registering yourself with DEA and ... |
10-9-2008 at 11:31
by: Sandmeyer |
Best Ether for Grignard?
Sorry for misinforming you, I didn't consider possible coordination problems. 
Well, in that case ... |
8-9-2008 at 19:04
by: Sandmeyer |
Best Ether for Grignard?
[quote][i]Originally posted by kclo4[/i]
So.. it all seemed rather confusing.
Do you have any sou ... |
8-9-2008 at 18:41
by: Sandmeyer |
Best Ether for Grignard?
To make own ether to run a Grignard sounds really hardcore, I wouldn't do this since diethylether is ... |
8-9-2008 at 17:50
by: Sandmeyer |
reduce double bond with Aluminum amalgam?
Alkenes are saturated upon reaction with Al/Hg. Compounds with C=C bonds activated by electron withd ... |
8-9-2008 at 17:29
by: Sandmeyer |
quick safety question regarding Acetic anhydride
[quote]Conducter, before considering using DMAP for such acetylations[/quote]
When did he mention ... |
6-9-2008 at 15:40
by: Sandmeyer |
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