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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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