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No one will give me experience, so I will make experience myself, starting from the bottom
I have to agree with OldNubbins and Texium. If you mentioned that you wanted to learn on my company' ...
16-10-2020 at 18:26
by: AvBaeyer
H-NMR Multiplicity of aldehyde hydrogen on 3-fluorobenzaldehyde
The multiplicity is a result of long distance coupling with the fluorine atom. H-F couplings occur t ...
5-10-2020 at 18:10
by: AvBaeyer
Is it too much to ask to wear a mask?
I generally try to stay apart from the types of discussions happening here. However, there was an ed ...
19-9-2020 at 14:37
by: AvBaeyer
Some Chemistry Based on Turpentine
While searching for information related to the pinenes, I ran across the attached J Chem Ed article ...
30-8-2020 at 20:08
by: AvBaeyer
Quantitative analysis of ketones
Goldberg:

You should seek out the following book for help with your problem:

S. Sigia, "Quanti ...
25-8-2020 at 15:27
by: AvBaeyer
Azo dye from p-aminophenol and salicylic acid
If you check out the forum library you will find several books related to dyes and their syntheses. ...
17-8-2020 at 18:45
by: AvBaeyer
Free flasks
I have two (2) 6-liter fermentation flasks that are taking up valuable space. These are large Floren ...
29-7-2020 at 13:57
by: AvBaeyer
Getting Discouraged With Organic Chemistry As A Hobby. Failed Steglich Esterification
Cou,

Attached is a paper which may be quite useful to you. It uses only easily available and rela ...
20-7-2020 at 19:13
by: AvBaeyer
Getting Discouraged With Organic Chemistry As A Hobby. Failed Steglich Esterification
I have run many Steglich esterifications using both DCC and carbonyldiimidazole (CDI) mostly to make ...
17-7-2020 at 21:08
by: AvBaeyer
Coal & Derivatives
If you look in the SciMad library, you will find "The Chemistry of Coal Tar Dyes." Chapter 2 is a di ...
14-7-2020 at 18:02
by: AvBaeyer
Cou's esters megathread
A note on loss of taste and smell.

I was in Italy last May and June when I cam down with a horrib ...
10-7-2020 at 18:26
by: AvBaeyer
Clomethiazole by Vitamine b1 cleavage
I can say that the sulfite cleavage works quite well. The extraction of the thiazole portion is diff ...
28-6-2020 at 20:16
by: AvBaeyer
how to distinguish a solution containing chloroform from one with dichloromethane?
Ubya,

From "A Handbook of Organic Analysis" by H.T. Clarke and J.N. Collie several tests for chlo ...
28-6-2020 at 20:09
by: AvBaeyer
Latest chemical order?
Cou,

Be careful, very careful, with n,n-dicyclohexylcarbodiimide (DCC). It is a wicked sensitize ...
19-6-2020 at 18:20
by: AvBaeyer
High precision analytical balance/scale 120g at .001g & 6kg at .01g resolution
I bought an analytical balance on eBay once which was guaranteed to be in working condition. It was ...
12-6-2020 at 17:59
by: AvBaeyer
Silica gel mystery?
Ubya,

Really a nice piece of work! It shows what can be done when experiments are really done and ...
5-6-2020 at 17:52
by: AvBaeyer
Silica gel mystery?
Diatomaceous earth (aka kieselguhr) has indeed been widely used in the past for chromatography and s ...
24-5-2020 at 19:07
by: AvBaeyer
Silica gel mystery?
Ubya,

I have NEVER heard of having to boil silica gel in acid to activate it. However, I looked u ...
15-5-2020 at 18:39
by: AvBaeyer
Silica gel mystery?
Chromatography grade silica gel is made under carefully controlled conditions to control the pore si ...
14-5-2020 at 18:32
by: AvBaeyer
The credibility of syntheses around?
There appears to be general misunderstanding here about experimental procedures in patents. First of ...
2-5-2020 at 19:30
by: AvBaeyer
Using Palladium on carbon
Palladium on carbon is a very versatile catalyst if you understand how to use it and have the proper ...
2-5-2020 at 19:01
by: AvBaeyer
Modified synthesis of chloroquine, beginning from benzoic acid
This looks like one of those sophomore org chem road map problems. You might find it instructive, si ...
7-4-2020 at 18:59
by: AvBaeyer
A theoretical total synthesis of chloroquine I thought up this afternoon
Bob,

I am very curious about how the chloroquine compounds actually work. I had a good deal of ex ...
19-3-2020 at 19:15
by: AvBaeyer
Preparation of Thalidomide
Karlos:

Interesting report. Finally some real chemistry being posted - thank you. Here are a coup ...
8-3-2020 at 18:53
by: AvBaeyer
CaCO3 in toluene: a superbase?!
I read this paper and found it to be less than satisfying. I was puzzled by the use of acetic acid t ...
4-3-2020 at 19:45
by: AvBaeyer
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