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Ephedrine from Propiophenone...
It's not even from a patent, it was a literature entry.

[quote][i]Originally posted by stoichiome ...
5-2-2008 at 06:30
by: Drunkguy
Hydride question
How strong of a reducer is NaH?

For example, NaH is used in the Dieckman cyclization.

^Clearly ...
3-2-2008 at 05:23
by: Drunkguy
Ephedrine from Propiophenone...
I have the Henry reaction here. Under vigorous conditions the nitrostyrene is formed because of a de ...
2-2-2008 at 13:07
by: Drunkguy
Ephedrine from Propiophenone...
Norpseudoephedrine = Phenylpropanolamine

Phenylpropanolamine is more conveniently prepared by Hen ...
24-1-2008 at 06:40
by: Drunkguy
One last one. May be hopeless, though...
^I thought the vial is brown glass accounting for the color.

Bromine would not need to be stored ...
21-1-2008 at 03:36
by: Drunkguy
One last one. May be hopeless, though...
Anything extremely moisture or air sensitive may be stored in vials especially done so for: (a) smal ...
21-1-2008 at 03:13
by: Drunkguy
Reduction of Nitro Toluene
My experience has been that the reduction of NO2 with Sn/HCl and also of "Schiff bases" with Zn/HOAc ...
17-1-2008 at 11:22
by: Drunkguy
H2 adsorption ability of Ru, Pt, Ni metal powder
The thing about heating it in the furnace is prior to purchasing the "alloy" to make the active form ...
14-1-2008 at 21:07
by: Drunkguy
H2 adsorption ability of Ru, Pt, Ni metal powder
[color=Purple]The introduction by Raney (1927) of a new form of catalyst (the Raney nickel catalyst) ...
11-1-2008 at 04:36
by: Drunkguy
H2 adsorption ability of Ru, Pt, Ni metal powder
[color=Purple]Im not at all familiar with this reaction. They say those Parr Hydrogenators are avail ...
10-1-2008 at 17:34
by: Drunkguy
Possible synthesis to 1,5,7-trihydroxydecahydronaphthalene-2-carboxylic acid?
3,5-dimethoxybromobenzene as base chemical to make the corresponding alpha-tetralone.
Then, to get ...
31-12-2007 at 06:47
by: Drunkguy
NEED SOME IODINE?
Yeah, I find it interesting that Science Lab (previously Science Alliance) has managed to survive af ...
30-12-2007 at 10:54
by: Drunkguy
Reduction of Aromatic Nitro compounds with Zn / HCl A write up
Zinc is a more mild reducing agent than iron, which in turn is milder than tin.

If you had used t ...
28-12-2007 at 06:21
by: Drunkguy
Catalytic Hydrogenation ......comments
Keep up the good work guys :o

At least with balloon hydrogenations a T-bore adapter is used. The ...
27-12-2007 at 20:46
by: Drunkguy
Homebuilt 1300°C tube furnace
Ich habe jetzt deine furnace gesehen.

Jawohl! Bravo! Prima!

Now I know who i'll will be employ ...
25-12-2007 at 18:07
by: Drunkguy
"Sealed Tube"
I'm not that experienced with chemistry that I would be able to follow the discussion in the above l ...
23-12-2007 at 00:43
by: Drunkguy
Catalytic Hydrogenation ......comments
That looks like a really sweet set-up. I would be ill able to afford something as neat as that in th ...
22-12-2007 at 12:15
by: Drunkguy
Catalytic Hydrogenation ......comments
This was during the preparation of 7-azabicyclo[2.2.1]heptanes related to epibatidine total synthesi ...
22-12-2007 at 09:18
by: Drunkguy
Catalytic Hydrogenation ......comments
I also want to envelope hydrogenation into the synthetic repertoire of my organic chemistry. I've do ...
22-12-2007 at 01:07
by: Drunkguy
*&$#ing hazmat fees.. a rant.
Everyone knows hazmat fees are far in excess of what is reasonable.
21-12-2007 at 03:46
by: Drunkguy
"Sealed Tube"
Thanks guys. This chemical is commerically available at not particularly inflated cost but the synth ...
20-12-2007 at 11:21
by: Drunkguy
bromination of phenyl group
Assuming one actually wanted 1,4-dibromobenzene though.

Does anybody have a procedure for this?
20-12-2007 at 09:46
by: Drunkguy
"Sealed Tube"
On some reactions I have been reading it claims the reactants are mixed in a "sealed tube" and then ...
20-12-2007 at 08:52
by: Drunkguy
Reduction of nitrostyrene using Vitride (Red-Al)
I saw the Lemmigner reduction in the production of a compound called "AL." At first I was very optim ...
19-12-2007 at 13:34
by: Drunkguy
bromination of phenyl group
The bromination of benzene is typically done with Br2 and pyridine ala Vogel textbook of organic che ...
19-12-2007 at 09:36
by: Drunkguy
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