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The Short Questions Thread (4)
Solo,

Here is the bromination of p-aminoacetophenone with NaBr/Oxone in aqueous acetonitrile. I ...
13-5-2022 at 20:00
by: AvBaeyer
The Short Questions Thread (4)
Solo,

Solo:

4-Aminoacetophenone has been iodinated with KI/hydrogen peroxide.
Reddy et al., ...
13-5-2022 at 16:09
by: AvBaeyer
anyone have experience forming grignards from chlorobenzene
Grignard reagent from chlorobenzene:

Jezierski, Roczniki Chem., 20, 47-53 (1946); Chem. Abstr. 42 ...
12-5-2022 at 08:35
by: AvBaeyer
An Article for Thought and Discussion

https://www.wired.co.uk/article/making-science-more-open-is-good-for-research-but-bad-for-security ...
2-5-2022 at 18:05
by: AvBaeyer
Catalyst for Amide hydrolysis
There is a known method for the "gentle" hydrolysis of an amide in order to isolate the amine portio ...
29-4-2022 at 18:01
by: AvBaeyer
Reduction of 4-Chloro-3-nitrotoluene failure
Your biggest problem is that you are probably also reducing off the chlorine atom or involving that ...
28-4-2022 at 18:55
by: AvBaeyer
Quantitative test of a sample of ostarine
Fery's suggestion of the melting point is the first step to follow up on. If that checks you are ok ...
28-4-2022 at 18:47
by: AvBaeyer
Can Platinum be used as a hydrogenation catalyst?
Well said, SWIM.

AvB
18-4-2022 at 18:08
by: AvBaeyer
Staining TLC plates with iodine - Why use silica or sand?
I have used the I2-silica gel method and it works no better than just some iodine in a jar. I have n ...
18-4-2022 at 18:06
by: AvBaeyer
Benzotriazole and derivatives
If I am not sure where to start in terms of solvent polarity, I make the first run with 1:1 EtOAc:he ...
4-4-2022 at 18:35
by: AvBaeyer
Sodium hydrosulfite source ?
I recently bought some from www.dharmatrading.com. Unfortunately, the cost of shipping doubles the p ...
29-3-2022 at 18:43
by: AvBaeyer
Is there an interest of rare metals?
Back in my employed days, we used to collect all the spent Pd-C (we used a lot of it - at one time w ...
24-2-2022 at 19:29
by: AvBaeyer
Making iPrOH:NH3:H2O Anhydrous
Do your experiment over You will not be able to dehydrate your solution wthout considerable loss of ...
9-2-2022 at 19:43
by: AvBaeyer
HELP! Tiny differences in MW??? 253.33 vs 253.44
Your question is unanswerable in any helpful manner without a complete description of your chemistry ...
9-2-2022 at 19:39
by: AvBaeyer
The Short Questions Thread (4)
Solo,

Pleased to know you appreciate my comments. I must confess, however, that I was enjoying my ...
8-2-2022 at 19:54
by: AvBaeyer
The Short Questions Thread (4)
Solo,

I do not believe that your "...had a thought" route stands much of a chance. Too many thing ...
7-2-2022 at 20:34
by: AvBaeyer
Grignard Reaction Reference Book
For anyone interested in the details about Grignard reagents I suggest the old but reliable book:

...
6-2-2022 at 19:22
by: AvBaeyer
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)
Solo,

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 (provisional)
j-sum,

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
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