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Acetic anhydride preparation
"Mentioned briefly here"? The reaction of P2O5 and NaCl as described by Tarbutton in JACS, has been ... |
25-9-2008 at 00:49
by: Sauron |
6-Bromo-1-hexanol synthesis
Here's the cited paper.
[Edited on 25-9-2008 by Sauron] |
24-9-2008 at 13:20
by: Sauron |
6-Bromo-1-hexanol synthesis
The use of triphenylphosphine and carbon tetrachloride to chlorinate sensitive alcohols is illustrat ... |
24-9-2008 at 02:32
by: Sauron |
Dichloromethane from methanol?
Using thionyl chloride on methanol gets you SO2, HCl and MeCl, three gases, which would need to be s ... |
23-9-2008 at 14:42
by: Sauron |
6-Bromo-1-hexanol synthesis
The preparation of a bromohydrin like your target is best done not with hydrobromic acid but with 1 ... |
23-9-2008 at 14:20
by: Sauron |
Acetic anhydride preparation
H2SO3 only exists in dilute solution and cannot be isolatred.
Chlorinating SO2 produces sulfuryl ... |
23-9-2008 at 00:59
by: Sauron |
Progress on Compressed Gases in Thailand
Regulators for higher delivery pressures cost a bit more than for lower delivery pressures. The gas ... |
22-9-2008 at 00:40
by: Sauron |
Progress on Compressed Gases in Thailand
The single stage regulator suitable for use with N2, Ar and He and instock locally is Harris Model 8 ... |
21-9-2008 at 22:14
by: Sauron |
Progress on Compressed Gases in Thailand
Yes, this vendor is primarily a welding gas guy, and yes, he told me he usually only fills the 20 cy ... |
20-9-2008 at 04:20
by: Sauron |
Progress on Compressed Gases in Thailand
Those nominally 0.5 cubic meter bottles (the volume refers I am sure to the volume the contained O2 ... |
19-9-2008 at 14:17
by: Sauron |
Progress on Compressed Gases in Thailand
I now have a source for new gas cylinders locally and it is a relief that prices are very low.
Th ... |
18-9-2008 at 22:50
by: Sauron |
It is not book but programme.
It's not a big deal, as I have Gaussian 03 and 98, HyperChem, several versions of MOPAC with and wit ... |
18-9-2008 at 02:15
by: Sauron |
Sourcing natural products
I'm sure you know the historical context.
Absinthe started as an obscure Swiss herbal tonic panac ... |
18-9-2008 at 02:03
by: Sauron |
It is not book but programme.
When one installs ChemDraw Ultra 11 using the SN provided, the installation uses the Internet to act ... |
17-9-2008 at 19:12
by: Sauron |
difference between oleoresin capsaicum and capsaicin
You may need to post a few more times before you can get a Moderator to grant you access to Referenc ... |
17-9-2008 at 18:16
by: Sauron |
difference between oleoresin capsaicum and capsaicin
There's a whole book on this subject in the New Books thread in References.
Anyway this ought not ... |
17-9-2008 at 16:33
by: Sauron |
Ethyl centralite synthesis
Diphenylurea is prepared under solvent free conditions anyway, from aniline and urea, so I do not se ... |
17-9-2008 at 15:03
by: Sauron |
Sourcing natural products
19th century and early 20th century absinthe did not contain high levels of thujone. Despite the nam ... |
17-9-2008 at 04:28
by: Sauron |
Sourcing natural products
Well, it's hardly my area of expertise. I do remember being impressed (negatively) with the toxicity ... |
16-9-2008 at 11:02
by: Sauron |
Bromobenzene from Bromoaniline
In this thread people have referred erroneously to p-bromobenzene, but of course there is no such th ... |
16-9-2008 at 08:33
by: Sauron |
Bromobenzene from Bromoaniline
It was not my intention to push this guy back toward hypophosphorous acid. Rather, I was just wonder ... |
16-9-2008 at 05:32
by: Sauron |
Sourcing natural products
Most likely a spinning band, computer controlled still, or else prep LC. Either way costly and slow. ... |
16-9-2008 at 03:44
by: Sauron |
Bromobenzene from Bromoaniline
As I have often said, about 90% of Vogel's preps in Practical Organic Chemistry are cadged without a ... |
16-9-2008 at 02:32
by: Sauron |
Bromobenzene from Bromoaniline
If iodobenzene is what you really want (despite panziandi's remarks) then you can make it easily fro ... |
15-9-2008 at 11:22
by: Sauron |
Bromobenzene from Bromoaniline
There are several examples in Vogel of the preparation of various substituted benzenes by the alcoho ... |
15-9-2008 at 10:11
by: Sauron |
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