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2-Bromo-PA into PA
[quote][i]Originally posted by BobHawson[/i]
What bases or reducing agents do you all think would b ... |
26-12-2008 at 21:39
by: Sauron |
2-Bromo-PA into PA
The Chem Pharm Bull paper last post centers around use of this enamine for prep of 4-substituted ind ... |
26-12-2008 at 21:23
by: Sauron |
2-Bromo-PA into PA
Assuming that the Br are all at the indole C-2 then your problem remains very much the same as with ... |
26-12-2008 at 20:55
by: Sauron |
2-Bromo-PA into PA
Posting from books is not at all prohibited but it is customary to cite sources.
I simply meant, ... |
26-12-2008 at 17:16
by: Sauron |
2-Bromo-PA into PA
Well, I saw that warning, but evaluated it as pro forma, given that no explosions were reported. the ... |
26-12-2008 at 16:00
by: Sauron |
2-Bromo-PA into PA
Another look at that precursor in the 1994 SynLett paper (see upthread)
Might not this be the pro ... |
26-12-2008 at 05:47
by: Sauron |
Hemetsberger-Knittel Anyone?
Here is reaction scheme for the easiest indole prep I have ever seen.
If one simply must kvetch, ... |
26-12-2008 at 04:31
by: Sauron |
2-Bromo-PA into PA
The answer to all is "Who knows?"
I have yet to find any reference ro 2-bromopaspalic acid.
I ... |
25-12-2008 at 21:00
by: Sauron |
2-Bromo-PA into PA
I think zed said something very similar about the fragility of this structural class upthread.
Th ... |
25-12-2008 at 14:22
by: Sauron |
Vacuum on Glassware
The few glassware companies that offer pressure vessels at all limit them to 40-60 psig and 80 C. Pa ... |
25-12-2008 at 06:23
by: Sauron |
2-Bromo-PA into PA
Timethylsilylethyne (TMS-acetylene) is made, per Org.Syn., from n-butylmagnesium chloride in THF rea ... |
25-12-2008 at 05:32
by: Sauron |
Help: Failed chloromethylsulfonyl chloride Prep
Bravo!
Cold lab I don't need to worry about in Thailand. |
25-12-2008 at 04:58
by: Sauron |
2-Bromo-PA into PA
4-ethynyl-3-indoleacetonitrile may look exotic but it is readily constructed from 2-bromo-6-nitro-(2 ... |
25-12-2008 at 01:27
by: Sauron |
2-Bromo-PA into PA
Since the pdf is so muddy I have redrawn scheme 2
R = H, Me
For R1 and R2 see pdf. For cataly ... |
24-12-2008 at 22:23
by: Sauron |
Rocket propelled E+W forum SC 'design'
I hate to rain on your parade but weapons are not an allowed topic at all on this entire forum and i ... |
24-12-2008 at 07:47
by: Sauron |
Vacuum on Glassware
A more precise answer is that spherical borosilicate glassware of normal or heavy wall thickness wil ... |
24-12-2008 at 04:29
by: Sauron |
2-Bromo-PA into PA
John, since the ergot fungus of interest is Claviceps paspali and the grass is paspallum, the questi ... |
24-12-2008 at 00:37
by: Sauron |
FREE Online Journals
[b]CANADIAN JOURNAL OF CHEMISTRY 1951-1997[/b]
Volumes 29-43(12 issues per year) already up
Vo ... |
23-12-2008 at 14:01
by: Sauron |
Sodium Cyanide recipe via ferrocyanide
"Recipe" ???
This is inorganic, not organic chemistry.
[Edited on 24-12-2008 by Sauron] |
23-12-2008 at 13:23
by: Sauron |
2-Bromo-PA into PA
The stereochemistry is pretty daunting, the total syntheses are daunting, the really hard part is ma ... |
22-12-2008 at 20:42
by: Sauron |
2-Bromo-PA into PA
He does seem truly lost and forlorn, doesn't he?
Try searching 2-bromoindole and seeing how to de ... |
22-12-2008 at 17:50
by: Sauron |
2-Bromo-PA into PA
Well, since the very first hit on Google under that spelling is SYNTHESIS OF LYSERGIC ACID FROM PASP ... |
22-12-2008 at 04:59
by: Sauron |
2-Bromo-PA into PA
So much for the structure of the parent acid. So you want to dehalogenate the 2-Br derivative withou ... |
21-12-2008 at 22:58
by: Sauron |
Christmas Comes Early This Year
I have the Swagelok part numbers for the reducing fitting, plug, and elbow if anyone wants them. In ... |
21-12-2008 at 21:04
by: Sauron |
2-Bromo-PA into PA
Never heard of paspallic acid, what is the structure? |
21-12-2008 at 20:58
by: Sauron |
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