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The DARK Side of Organic Synthesis
I stumbled across this very interesting review while searching for something completely unrelated. I ...
3-8-2022 at 14:05
by: AvBaeyer
Cleaning Up Hexane with Rooto Sulfuric Acid
I erred in the boiling point data re hexanes. It distills at 66-67C with the remainder 68-70C to dr ...
28-7-2022 at 18:05
by: AvBaeyer
Cleaning Up Hexane with Rooto Sulfuric Acid
Perhaps I can expand a bit on the process to address some of the foregoing comments. Technical hexan ...
27-7-2022 at 13:52
by: AvBaeyer
Cleaning Up Hexane with Rooto Sulfuric Acid
I typically purchase tech grade hexanes in bulk and then clean it up and distill as required. The fi ...
26-7-2022 at 19:11
by: AvBaeyer
The Short Questions Thread (4)
The reaction of t-butyl chloride with ammonia is destined for failure. t-Butyl chloride is a tertiar ...
20-6-2022 at 19:46
by: AvBaeyer
Koh and dcm
I have run alkylation reactions using powdered KOH in DCM at ice bath temps with no problems.

AvB
28-5-2022 at 18:11
by: AvBaeyer
The Short Questions Thread (4)
Dry, very dry.

AvB
27-5-2022 at 19:08
by: AvBaeyer
Where do nice colors in nature originate from ?
A few years ago a book along the lines of the OP's question was published:

David Lee, "Nature's P ...
27-5-2022 at 18:52
by: AvBaeyer
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
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