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Beryllium compounds
I suggest that you make yourself knowledgeable in the toxicity of beryllium and its compounds. This ...
8-9-2021 at 18:10
by: AvBaeyer
Forming oxalte salts of amines
Using ethyl acetate to dry HCl salts is a very old trick - it is nice to see it reinvented! I learne ...
26-8-2021 at 18:34
by: AvBaeyer
Indole-3-Carbinol Oxidation
What is missing here is the realization that indole-3-carbinol is a vinylog of a N-hydroxymethyl ani ...
7-8-2021 at 18:45
by: AvBaeyer
Ethylenediamine query
Ethylenediamine is rarely found anhydrous. The mp/fp quoted is for the anhydrous material. Usually i ...
7-8-2021 at 18:20
by: AvBaeyer
Anyone in the ACS? How can I use it to expand my business?
I am also a member of ACS (>50yrs). I agree with Texium that there proably isn't any direct way f ...
5-8-2021 at 18:40
by: AvBaeyer
How to effect a separation of two nearly identical cholesterols/steroids
Your Buchner funnel proposal is pure folly. If you want to do the separation thermally like you desi ...
23-7-2021 at 19:13
by: AvBaeyer
Useful / Interesting Lab Manual
While doing a literature search today I ran across the attached lab manual. I did not note its origi ...
8-6-2021 at 18:09
by: AvBaeyer
Custom Organic Synthesis Costs
I agree with Dr Bob on the daily cost of a "rental chemist." Ten years ago when I was still actively ...
19-5-2021 at 18:41
by: AvBaeyer
N-acetyl MDA from helional
Way too much unreliable or unknown chemistry along with inefficient use of carbon atoms. Make the ox ...
13-5-2021 at 18:44
by: AvBaeyer
Aldehyde oxidation
There is no obvious reason you could not just use acetic acid as the solvent in place of the acetoni ...
10-5-2021 at 18:12
by: AvBaeyer
Path to 4-Anisaldehyde
It seems to me that a bit of thinking about the OP's problem suggests the following solution:

1. ...
28-4-2021 at 14:43
by: AvBaeyer
Making n-butyl bromide (1-bromobutane) for TBAB (Tetrabutylammonium bromide) synthesis
You might want to consider looking at this article which can be freely accessed on the Sigma-Aldrich ...
26-4-2021 at 18:30
by: AvBaeyer
Preparation of 2-hydroxybenzylamine
The attached provides relevant information regarding 2-hydroxybenzylamine. I have been following the ...
24-4-2021 at 20:07
by: AvBaeyer
Tosylate to Alkyl Azide reference please
Many years ago I ran the reaction you are interested in. The reaction with sodium azide and a tosyla ...
12-4-2021 at 19:00
by: AvBaeyer
Improved Purification Procedure Decarboxylation of L-tryptophan to Tryptamine with Benzoate salt
You report a useful method for the isolation of tryptamine. You may be interested in the attached ar ...
2-4-2021 at 20:03
by: AvBaeyer
Iodination of Paracetamol
I found your chemical problem interesting since the dibromo derivative of paracetamol is well known. ...
26-3-2021 at 18:39
by: AvBaeyer
Anyone else in the US having issues finding OTC sodium bromide?
It is still easily available from several pool and spa companies that sell disinfectant chemicals. Y ...
10-3-2021 at 18:17
by: AvBaeyer
Latest chemical order?
Just purchased 1.5 pounds of 1,3-dibromo-5,5-dimethylhydantoin (DBDMH). Even though it has been off ...
10-3-2021 at 18:11
by: AvBaeyer
Toluene For Hydrogenation Reaction
Ethyl acetate is also a good solvent for hydrogenations. Its choice, however, depends on relative no ...
7-3-2021 at 15:04
by: AvBaeyer
Vanillin chemistry: Piperonal
DraconicAcid,

If you have nickel chloride and zinc dust at hand, your desired reduction will proc ...
6-3-2021 at 19:54
by: AvBaeyer
Any way to tell if there is bromobenzene in benzene?
Zed,

For book availability, check on ABE Books. It's part of Amazon but far more extensive in use ...
12-2-2021 at 09:48
by: AvBaeyer
Any way to tell if there is bromobenzene in benzene?
A very complete explanation with diagrams of the Brown apparatus can be found in:

Sandler and Kar ...
11-2-2021 at 19:14
by: AvBaeyer
Everyday Chemistry (provisional)
Sulaiman,

Potassium permanganate needs to be recrystallized from water very quickly and with mini ...
23-1-2021 at 18:42
by: AvBaeyer
Corning PC-420 Stirrer-Hotplate on offer
The unit has been claimed. Thank you all for your interest.

AvB
7-1-2021 at 19:27
by: AvBaeyer
Corning PC-420 Stirrer-Hotplate on offer
I have a Corning PC-420 Stirrer-Hotplate which is currently non-functioning. Some time ago the stir ...
7-1-2021 at 10:54
by: AvBaeyer
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