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Grignard catalyst
Do you have access to an ultrasonic cleaner? Putting some warm water in the cleaner then sonicating ...
4-2-2022 at 19:33
by: AvBaeyer
The Short Questions Thread (4)

Since your synthesis route involves a transesterification you do not need to protect the PA ...
28-1-2022 at 19:43
by: AvBaeyer
Desiccant interchangeability
Try searching "solvent drying agent compatibility." This particular site is useful:

https://www.c ...
27-1-2022 at 19:23
by: AvBaeyer
Desiccant interchangeability
Desiccants are not universally interchangeable. You have to take into account chemical incompatibili ...
25-1-2022 at 19:47
by: AvBaeyer
S-Isopropylisothiouronium bromide
At the risk of sounding snarky, you should learn how to search such things on google (eg "sulfonyl c ...
15-1-2022 at 19:39
by: AvBaeyer
Everyday Chemistry

There are density tables for most common acids and bases and related solutions in the back ...
9-1-2022 at 19:41
by: AvBaeyer
How common is long-term loss of smell if you get Omicron while vaccinated?
In June of 2019 I caught a horrible virus while in Italy near Como. It had all the hallmarks of covi ...
3-1-2022 at 21:13
by: AvBaeyer
Alternative uses for an illegally owned Oxygen tank?
I think that it is important to note that Ubya lives in Italy. I spend a fair amount of time there a ...
3-1-2022 at 20:53
by: AvBaeyer
Ring closing mechanism

Could you please provide the references to your first two proposed reactions. Both of t ...
15-12-2021 at 19:40
by: AvBaeyer
Your target is cyclodecane-1,6-dione. It is typically made by ozonolysis of 1,2,3,4,5,6,7,8-octahydr ...
11-11-2021 at 20:09
by: AvBaeyer
Fractionally distilled benzyl chloride turns blue overnight
How did you make your BnCl? More details are needed to assess your problem. I have made BnCl many ti ...
5-11-2021 at 17:11
by: AvBaeyer
Some experiments with cyanate ion

A very nice presentation - love the colors. Sodium and potassium cyanates are used in org ...
22-10-2021 at 18:38
by: AvBaeyer
Glycine anhydride, its preparation and cleavage to a dipeptide

An encyclopedic source for information about amino acids and their chemistry is:

Green ...
4-10-2021 at 19:45
by: AvBaeyer
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
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