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pyridine synthesis
the synthesis is as follos:
"E.g. in the synthesis of pyrrole; The diketone (ammonium mucate/ammo ... |
19-9-2006 at 08:36
by: 2bob |
pyridine synthesis
another method of reaching pyridine is by heating ammonium mucate or ammonium saccharide with ammoni ... |
18-9-2006 at 20:52
by: 2bob |
pyridine synthesis
Apparently this can be acheived by heating (300C) sulphuric acid and piperidine (or by using mild ox ... |
18-9-2006 at 19:49
by: 2bob |
Piperic acid oxidation to Piperonal
(Sorry, this bee has trouble with the 'edit' system: I cannot post after editing).
The reason I s ... |
18-9-2006 at 19:29
by: 2bob |
Dihydroxydesoxymorphine/levorphanol synthesis from codeine (UN)
I don't yet have an answer on that, I haven't managed to read Small's article on the chemistry that ... |
18-9-2006 at 03:39
by: 2bob |
decarboxylation of phenylalanine
sorry, I must have hit the post button too early (and for some reason I cannot submit after 'editing ... |
18-9-2006 at 00:43
by: 2bob |
Piperic acid oxidation to Piperonal
does piperonal form an addition product with sodium bisulfite (like benzaldehyde does)? If so, why n ... |
18-9-2006 at 00:38
by: 2bob |
Dihydroxydesoxymorphine/levorphanol synthesis from codeine (UN)
yeah,
but the biggest problem with the homebake method (according to the two doc's from Rhodium' ... |
18-9-2006 at 00:31
by: 2bob |
Dihydroxydesoxymorphine/levorphanol synthesis from codeine (UN)
look at this:
DIHYDRODESOXYMORPHINE D, DESOMORPHINE OR PERMONID
This compound (IX) was discovere ... |
17-9-2006 at 15:07
by: 2bob |
Piperic acid oxidation to Piperonal
still, that is somewhat better than the yeilds to date with KMnO4 (by about 10-20x). In fact a 50% y ... |
14-9-2006 at 23:56
by: 2bob |
Piperic acid oxidation to Piperonal
Anyway, after bitching (re.this board & lack of ref's), I found this...
http://www.pubmedcent ... |
14-9-2006 at 15:36
by: 2bob |
Piperic acid oxidation to Piperonal
Can anybody here suggest a microwave assisted variant of oxidising rxn? I just did a google search o ... |
14-9-2006 at 15:01
by: 2bob |
Amino alcohol via Akabori, trial run
now,
at the lower temps, what other amines were formed? Are they still the ephedrine derivatives ... |
14-9-2006 at 14:42
by: 2bob |
Amino alcohol via Akabori, trial run
seen it, sorry nicodem, but you can at least see what I was hoping for? Thank you for the pictures I ... |
14-9-2006 at 14:29
by: 2bob |
Nitrogen trichloride NCl3 production
ta. |
14-9-2006 at 14:23
by: 2bob |
Nitrogen trichloride NCl3 production
is it possible to make NaNO2 from ammonia?
I was thinking along the lines that if H2O2 + NH4OH = ... |
13-9-2006 at 05:22
by: 2bob |
decarboxylation of phenylalanine
try this, I have been meaning to get around to it, but UNI shit keeps getting in the way!!! |
12-9-2006 at 06:30
by: 2bob |
toluene --> benzaldehyde
Benzaldehyde is produced by the following 'streckert oxidation':
Ca(OCl)2 Chlorination of Toluene ... |
31-8-2006 at 23:28
by: 2bob |
Amino alcohol via Akabori, trial run
What a lovely reply,
OK.
Here is the ‘PROPERLY’ expressed argument:
1. I take it that y ... |
31-8-2006 at 23:22
by: 2bob |
Amino alcohol via Akabori, trial run
Nicotinamide,
I see, but, wouldn't the aldehyde with the CH2 be more effective? (by the look of t ... |
31-8-2006 at 06:20
by: 2bob |
Amino alcohol via Akabori, trial run
Sorry to ask a dumb question, but did anybody think to add up the Hydrogen atoms?
It appears to ... |
29-8-2006 at 16:46
by: 2bob |
