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chemiluminescence!!
Very nice! |
26-11-2008 at 02:13
by: Klute |
TLC monitoring progress of STAB reductive am
In my experience with STAB, fine white solids that are a pain to work with/filter are formed when qu ... |
26-11-2008 at 02:11
by: Klute |
The short questions thread (1)
LiAlH4 or diborane reductions (NaBH4/BF3.Et2O, NaBH4/I2, etc) will reduce acetamides to amines.
W ... |
23-11-2008 at 17:09
by: Klute |
Metal detectors, electrolytes
Do you want to high jack a plan with some H3PO4?  |
23-11-2008 at 17:03
by: Klute |
Cl Reduction from arylcyclohexylamine
There is no direct way of adding a carbon to a secondary N-methyl amine that I know of.
The only ... |
23-11-2008 at 16:48
by: Klute |
The short questions thread (1)
Well, you can halomethylate withe acetaldehyde and HX IIRC, then do a gabriel or go to the aldehyde ... |
23-11-2008 at 05:15
by: Klute |
practice helps a lot
Glad to hear that. Hopefully this will help many that are too impatient and want to jump to complex ... |
23-11-2008 at 05:08
by: Klute |
4-alkylthio-2,5-dimethoxybenzaldehyde, Sulfuric Duff reaction
Hehe well we should try going there to perform reductions.. |
23-11-2008 at 05:01
by: Klute |
How do you make 10% HNO3 from 1M HNO3?
I think that's a bit too far streched. You never express the concentration of a solution as a % of a ... |
22-11-2008 at 12:06
by: Klute |
Cl Reduction from arylcyclohexylamine
N-ethyl analogue is the same de-chlorinated compound but with an ethyl group on the nitrogen instead ... |
22-11-2008 at 11:54
by: Klute |
The short questions thread (1)
Well, it could be worth a try, I must admit I was pretty sceptical with TMP at first, especially the ... |
22-11-2008 at 07:03
by: Klute |
Cl Reduction from arylcyclohexylamine
No, you really need high quality fine carbon for this, powdering large clumps reduce the specific su ... |
22-11-2008 at 06:41
by: Klute |
Synthesis of 4-hydroxybenzaldehyde from phenol?
Nice, great to hear some succes! Did you try dilute AcOH?
What benzyl halide was this? |
22-11-2008 at 06:38
by: Klute |
How do you make 10% HNO3 from 1M HNO3?
IIRC, conc. HCl can go over 70% under 0°C, so that would mean cooling the acid and gassing it again ... |
21-11-2008 at 19:37
by: Klute |
Anthracene
Nice work! Please do give us more deatails when possible! |
21-11-2008 at 19:30
by: Klute |
The short questions thread (1)
Well, a basic wash will remove all the phenol. Also, IIRC, dimethoxybenzene is pretty volatil with s ... |
21-11-2008 at 04:54
by: Klute |
TLC monitoring progress of STAB reductive am
Nerro: STAB: Sodium Triacetoxyborohydride, see related thread.
Grind: No, no, he is using the abo ... |
21-11-2008 at 04:43
by: Klute |
vacuum
I also had good results with fridge compresors, but the vacuum was slightly weaker than the aspirato ... |
19-11-2008 at 14:38
by: Klute |
Titanium Isopropoxide Reductive Amination
Amine boranes are easily made by adding NaBH4 to a solution/suspension of the amine hydrochloride in ... |
18-11-2008 at 01:13
by: Klute |
Christmas Comes Early This Year
A aspirator is perfectly suited for a Rotavap. All the ones we had at work used aspirators. A recirc ... |
16-11-2008 at 13:44
by: Klute |
making a quaternary salt from secondary amine?
LiAlH4 is a strong reducer, so rarely used to deprotonate a compound. Strong bases like NaH or t-BuO ... |
15-11-2008 at 06:56
by: Klute |
vacuum
I've been using an aspirator station as vacuum source for years, and have done numerous vacuum distn ... |
15-11-2008 at 06:18
by: Klute |
4-alkylthio-2,5-dimethoxybenzaldehyde, Sulfuric Duff reaction
Of course, alkylate with ethyl halide or ethyl ethane sulfonate, etc.
As Ullman said, you can eit ... |
13-11-2008 at 05:54
by: Klute |
Substituted quinazolines
Aminolysis of desactivated esters with aromatic amines requires very hot temperatures and oftene xce ... |
13-11-2008 at 05:51
by: Klute |
How do I make a sodium hydroxide solution from caustic soda?
Well, no they are quite small pellets (0.5 cm wide, 0.2cm high), and pouring water directly on them ... |
11-11-2008 at 22:21
by: Klute |
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