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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

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?

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)

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.

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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