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Science inspired travel
barbs09,

Glad that you enjoyed the museums. If you are still in Florence an get hungry, here are ...
11-10-2018 at 13:35
by: AvBaeyer
Cobalt (II) Chloride catalysis of ester formation
Introduction

Recently Loptr referenced a paper which claimed that p-toluensulfonate ester formati ...
8-10-2018 at 11:20
by: AvBaeyer
Pyridine from Pyridine hydrochloride
It is relatively difficult to extract pyridine from water even if the aqueous solution is basic. The ...
7-10-2018 at 17:55
by: AvBaeyer
Help with drying acetone
Sodium sulfate is probably a more practical drying agent if you think you need one since as macckone ...
4-10-2018 at 17:56
by: AvBaeyer
Science inspired travel
I am in Florence at this moment. Hopefully my post is not too late. There is a wonderful natural sci ...
29-9-2018 at 06:20
by: AvBaeyer
Hydrogen
The issue is not whether something is "wasteful" or not but what is the best way to get the job done ...
23-9-2018 at 06:18
by: AvBaeyer
Hydrogen
What are you going to use the hydrogen for? Some time ago Magpie posted a nice report on the poisoni ...
23-9-2018 at 01:30
by: AvBaeyer
Possible OTC, 'safe' methylating agents
clearly-not-atara:
You obviously did not read the paper very carefully. The paper reports high yiel ...
23-9-2018 at 01:12
by: AvBaeyer
deacetylation, please help?
The hydrolysis of melatonin to the amine is a difficult reaction to run. I can tell you from experie ...
20-9-2018 at 00:24
by: AvBaeyer
Bromination of Propionic Acid in a Sealed Tube
Loptr and JJay:

Good job! you figured it out. It's all about the electronics. The primary isolata ...
15-9-2018 at 23:47
by: AvBaeyer
Bromination of Propionic Acid in a Sealed Tube
The issue is the Sn1 mechanism with a carbonyl group attached to the carbon bearing the incipient po ...
15-9-2018 at 10:28
by: AvBaeyer
NaDCC/TCCA reaction with ammonia
Your initial solid product is cyanuric acid. A little digging on Google would have told you that. Th ...
15-9-2018 at 10:08
by: AvBaeyer
Bromination of Propionic Acid in a Sealed Tube
If you acquaint yourself with the mechanism of the Lucas reaction, you will see why it will not work ...
15-9-2018 at 10:02
by: AvBaeyer
Preparation of Dimethyl Sulfate Discussion
As I mentioned I use methyl p-tosylate as my reagent of choice. For example, I have methylated acet ...
12-9-2018 at 00:01
by: AvBaeyer
Preparation of Dimethyl Sulfate Discussion
From a safety perspective, I cannot understand why anyone would want to make dimethyl sulfate in a h ...
11-9-2018 at 07:03
by: AvBaeyer
Catechol preparation
Magpie,

Nice to see your lab work again. You have been away a while.

I think Sigmatropic is co ...
31-8-2018 at 17:52
by: AvBaeyer
anyone have experience forming grignards from chlorobenzene
Tsjerk,

Interesting find. Note that the reaction is initiated in part with ethyl bromide (an unus ...
21-8-2018 at 13:52
by: AvBaeyer
Order a chemical, get something else
Over the past couple of years I have had several experiences where I have ordered a chemical and som ...
21-8-2018 at 13:24
by: AvBaeyer
Last chemical order?
Arkoma,

Be sure to store your borohydride in a very dry environment. Storing it insider another t ...
19-8-2018 at 18:36
by: AvBaeyer
anyone have experience forming grignards from chlorobenzene
Doesn't a bit of common sense and basic organic chemistry knowledge suggest that if a Grignard react ...
19-8-2018 at 18:24
by: AvBaeyer
Need suggestions for isolating an Amino Acid from Sodium Chloride.
What do you mean by"chlorinating" DMG? Are you referring to the acid chloride or some other form of ...
8-8-2018 at 18:25
by: AvBaeyer
A project everyone can pitch in on! Writing the book on chemistry.
It seems to me that "writing a book" like that described in the long string of messages is a bit lik ...
21-7-2018 at 18:49
by: AvBaeyer
Phenylacetonitrile from Phenylalanine
JJay,

What you have mentioned is actually quite important for the success of the procedure I post ...
21-7-2018 at 18:12
by: AvBaeyer
Silica doped paper chromatograhy
From time to time there are questions dealing with analytical chromatography techniques such as TLC. ...
18-7-2018 at 19:47
by: AvBaeyer
Phenylacetonitrile from Phenylalanine
It sounds as if your temperature control was not like it should be. It is extremely important to mai ...
12-7-2018 at 18:06
by: AvBaeyer
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