Skip to main content

All Questions

2 votes
1 answer
159 views

How to name LiN(CF2SO3)2?

I found this compound in the list of inorganic lithium salts from this article on ScienceDirect. It is said to be of the sulfonate group. Let's focus on the anion alone. I'm not sure if it can be bis(...
Blacklight MG's user avatar
-1 votes
1 answer
31 views

How do you perform an ion exchange of a monovalent cation with Br- counterion to a divalent or trivalent anion?

I tried to react an organic compound I have synthesized containing a di-N substituted imidazole bromide salt with Ag3PO4 with water at room temp to try to replace the Bromide with PO4(3-). I dont ...
toodles's user avatar
  • 137
3 votes
1 answer
103 views

Reduction of di-N-substituted imidazole to imidazoline to remove counterion?

I would like to synthesize a di-N-substituted imidazole (compound 4) in its free base form or reduce it to generate an imidazoline (compound 5) to remove the bromide counterion to the imidazole ring. ...
toodles's user avatar
  • 137
1 vote
0 answers
47 views

How to change the counterion of a nucleotide salt?

I need to take the sodium nucleotide salts I have available in my lab and modify them to instead contain some more exotic counterions. Can I do this by binding my nucleotides to a strong anion ...
toodles's user avatar
  • 137
3 votes
0 answers
52 views

How can I transform Thiamine sulfate to Thiamine hydrochloride?

I have got thiamine sulfate and want to have thiamine hydro chloride. Can I obtain it by dissolving thiamine sulfate in water and adding calcium chloride water solution as long as calcium sulfate will ...
Benzen11's user avatar
0 votes
2 answers
155 views

How can I remove the bitartrate anion from an organic bitartrate salt?

I have a compound, dimethylaminoethanol (DMAE) bitartrate, which I originally purchased as a supplement and possible smart drug. I bought an absurd amount of it. It didn’t do anything for me as a ...
andrewH's user avatar
  • 167
2 votes
0 answers
28 views

A question about nicotinamide adenine dinucleotide

In the structure of NAD+, why does the nitrogen of pyridine bind covalently to the the first carbon of glucose while the anion stabilizing the nicotine amide ion is the phosphate group? In other words,...
mohamed's user avatar
  • 565
2 votes
1 answer
241 views

How do the pKa and pH indicate to the proper environment of protonation?

I have been reading an abstract of a paper for a couple of minutes (reference below) but I cannot understand a piece of it. The abstract: The ionization state and $\mathrm pK_\mathrm a$ of the ...
Mohammed Noureldin's user avatar
0 votes
1 answer
132 views

Anion-exchanged compound - smaller 1H NMR integrations

I anion exchanged one of my compounds (Br- to PF6-) and the NMR integrations changed as shown on the two NMRs below. The aliphatic region peaks integrate to smaller values in the second one. Are there ...
Cala's user avatar
  • 11
5 votes
1 answer
657 views

Naming of ester alkoxide

I'm trying to name the following compound: I believe the carboxyl group has priority and should make up the parent name. I'm not sure how to name the alcohol derivative portion. My first thought is: ...
Chase's user avatar
  • 153
6 votes
1 answer
5k views

Why is benzenediazonium fluoroborate water insoluble and stable at room temperature?

Benzenediazonium fluoroborate is water insoluble and stable at room temperature. Why is this salt, water insoluble? Also I am told that benzenediazonium salts are stable only at low temperature(<5°...
JM97's user avatar
  • 3,487
10 votes
1 answer
933 views

Is lithium L-threonate a potential brain medicine?

Lithium ions have known neuroprotective qualities. That would explain its therapeutic benefit in some mental disorders. It is also well known that lithium carbonate must be taken in toxic doses to get ...
John Wilt's user avatar
  • 101
21 votes
4 answers
7k views

Has a carbon compound ever been found having an ionic bond?

Though it is highly unlikely, has any carbon compound been found to make an ionic bond and to exhibit ionic properties?
Harshit Garg's user avatar
3 votes
1 answer
9k views

what is the difference between a redox reaction and an ionic bond? [closed]

I am new into chemistry... I'd like to know what the difference is between an ionic bond: which involves a bond with an electron transfert, and a redox reaction; which seems to be exactly the same to ...
privetDruzia's user avatar
2 votes
1 answer
347 views

Is table salt sticking to my laptop?

I was reviewing first posts here, and eating a juicy and salty (table salt) tomato at the same time. Suddenly, I realized that a few table salt crystals have been poured down on my mousepad. I got ...
M.A.R.'s user avatar
  • 10.7k

15 30 50 per page