Sciencemadness Discussion Board
Not logged in [Login - Register]
Go To Bottom

Search
[Next Page]
Grad Student Tuition Waiver Taxation
Perhaps this is what "everyone should pay their fair share" looks like. Why should a grad student ge ...
22-11-2017 at 20:01
by: AvBaeyer
Preparation of SCl2
Magpie,

Nice experiment and write up, as usual. You continue to exceed expectations!

AvB

17-11-2017 at 20:19
by: AvBaeyer
Synthesis of dopamine from catechol
Isovannilin is synthesized by methylation of ethylvanillin then selective removal f the ethyl group ...
11-11-2017 at 22:12
by: AvBaeyer
paradiclorobenzene - possible degradation of
For the nitration procedure of p-dichlorobenzene and some reactions of the nitro compound search on ...
21-10-2017 at 21:02
by: AvBaeyer
paradiclorobenzene - possible degradation of
Chemically, p-dichlorobenzene is not useful for very much because of its lack of reactivity. That be ...
20-10-2017 at 19:14
by: AvBaeyer
Synthesis of malonic acid
Most of what is being proposed here is too far fetched for the typical hobby or home lab. Why not ju ...
18-10-2017 at 12:51
by: AvBaeyer
Four thieves vinegar
What sorts of drugs would be made in this grand moral effort? Keep in mind that many drugs are alrea ...
14-10-2017 at 19:24
by: AvBaeyer
Everyday Chemistry
arkoma,

The problem you noted can be solved by wrapping the bottom of the condenser with a paper ...
14-10-2017 at 18:53
by: AvBaeyer
Phase transfer catalyst request?
Tetrabutyl ammonium bromide and bisulfate among other salts are available on Amazon. Not cheap but c ...
13-10-2017 at 19:36
by: AvBaeyer
Has anyone ever had a similar thermometer problem like this?
I had a problem where a distillate was coming over well below the expected boiling point. It turned ...
13-10-2017 at 19:24
by: AvBaeyer
Degasser units HPLC (really needed??)
NEMO-

You mention that you want to collect fractions. I looked at the pictures of the system on e ...
11-10-2017 at 15:28
by: AvBaeyer
Degasser units HPLC (really needed??)
Like Dr Bob, in my own experience we just very slowly sparged the solvent bottles with N2. Outgassin ...
10-10-2017 at 18:16
by: AvBaeyer
Good solvent system for separating aromatic amines and/or oximes on alumina TLC plates?
There are several variables which have large effects on the utility of alumina plates.

1. Are you ...
7-10-2017 at 19:10
by: AvBaeyer
Good solvent system for separating aromatic amines and/or oximes on alumina TLC plates?
Melgar,

I have chromatographed fairly strongly basic amines on Woelm Activity 3 alumina using eth ...
6-10-2017 at 18:38
by: AvBaeyer
phenyl acetic acid from phenylalanine
Yes, an unacceptable typo due to not proper proofing. I need to be extra careful as this #@$$% ipad ...
23-9-2017 at 05:19
by: AvBaeyer
phenyl acetic acid from phenylalanine
I posted recently an OTC synthesis of phenylacetonitrile from phenylalanine in this section. The co ...
22-9-2017 at 08:52
by: AvBaeyer
OTC pyrazole synthesis
Boffis,
You mentioned above some comments about the preparation of ethyl pyruvate. This can be pre ...
22-9-2017 at 08:47
by: AvBaeyer
I need a mentor for starting a synthesis company in the UK
First, know who your competitors are and what they offer. The question you must clearly answer: How ...
20-9-2017 at 03:22
by: AvBaeyer
I need a mentor for starting a synthesis company in the UK
What is your target client base? Big Pharma, small biotech/pharma, something else? Are you selling s ...
19-9-2017 at 08:06
by: AvBaeyer
Private forum for discussing patentable ideas?
First, what is being proposed would likely run afoul of prior disclosure rules relating to patentabi ...
16-9-2017 at 07:55
by: AvBaeyer
Optimizing Henry reaction conditions (substituted benzaldehydes + nitromethane)
CJ:

What is the source of the review? It is well done and extremely interesting.

AvB
14-9-2017 at 05:29
by: AvBaeyer
Lead(II) and Manganese(II) formate syntheses
valeg96,

A very nice write up. Hope to see more.
Also, thank you for the link to the Italian ch ...
9-9-2017 at 22:24
by: AvBaeyer
would this sort of pump be useful for vacuum distillation
I have one very similar (at least in appearance). I use it only for vacuum distillations and after m ...
29-8-2017 at 18:20
by: AvBaeyer
Book review...of sorts!
CharlieA,

"I most enjoyed reading about the development and growth of industrial chemistry in the ...
25-8-2017 at 18:01
by: AvBaeyer
Phenylacetonitrile from Phenylalanine
UC235,

TCCA will in fact "do the reaction." Unfortunately, TCCA is extremely difficult to use on ...
23-8-2017 at 18:40
by: AvBaeyer
[Next Page]

  Go To Top