Questions tagged [organosulfur-compounds]
For questions about organosulfur compounds, i.e. organic compounds that contain sulfur. These include, but are not limited to, thioesters, thioureas, xanthates, thioacetals, sulfoxides, sulfones, sulfolanes, sulfonic acids, sulfinic acids, disulfides.
19
questions with no upvoted or accepted answers
10
votes
0
answers
94
views
Does the alpha effect apply to third row elements?
Alkylperoxy anions are stronger nucleophiles than alkoxides (the so-called alpha effect), but would an alkyldisulfide anion be a better nucleophile than an alkylthiolate anion?
- 9,332
8
votes
0
answers
634
views
Sulfonyl azides: diazo or azide transfer?
Sulfonyl azides, $\ce{RSO2N3}$, are capable of acting as sources of electrophilic azide ("$\ce{N+3}$"), but are also capable of effecting diazo transfer, as shown in the scheme below, taken from ref 1:...
- 71.6k
6
votes
0
answers
205
views
Using Ethylene Glycol as anti-freeze in a biodigester gas storage system
I am busy building a bio-digester to produce biogas for cooking/water heating in a cold climate.
I am using the 3 IBC tank solution.
Tank 1 is the digester itself.
Tank 2 is the gas storage unit.
...
4
votes
0
answers
1k
views
Reaction mechanism of thiol to disulfide oxidation under basic conditions?
I have been looking everywhere for an explanation to a reaction mechanism concerning the oxidation of DTT (or just thiols to disulfides in general) using oxygen as the oxidant. I'm aware that ...
- 91
4
votes
0
answers
106
views
Insertion vs epoxide formation
How can it be explained that in the first reaction mentioned below, a 7-membered ring dominates when the leaving group is nitrogen and an epoxide forms when the leaving group is dimethyl sulfide?
This ...
- 351
4
votes
0
answers
2k
views
Why do heavy metals like mercury and lead have an affinity for sulfur or sulfur compounds?
Many of the heavy metals such as mercury, lead, thallium, cadmium, and arsenic exert toxic effects largely by binding to or otherwise interfering with organic sulfur compounds or groups in the body. ...
- 51
3
votes
0
answers
168
views
Is sulphonamide group prone to undergo diazotization?
I wonder if it is not a problem that there is another $\ce{-NH2}$ group in the molecule not connected to aromatic ring and if it can get protonated and react with $\ce{HNO2}$ too, in this case the one ...
- 31
3
votes
0
answers
852
views
How do thiol groups act as reducing agents?
In my biochemistry practicals, we used reducing agents such as beta mercaptoethanol:
and dithiothreitol (DTT)
Both of these have S-H groups, and I am sure that these are involved in the reduction ...
- 1,697
2
votes
0
answers
102
views
Protecting Thiol group in presence of alcohol
What protecting group can I use that will protect the thiol in the presence of an alcohol? Is there a set of conditions, or a group that I can use that is selective to the thiol over the alcohol?
I am ...
- 21
2
votes
0
answers
451
views
S-N bond IR vibrations
I am working on organosulfur compounds where i have S-N bonding, according to literature it might be having an ir vibration of 1100cm-1, could anyone confirm it with reference. (the complete bonding ...
- 21
1
vote
0
answers
91
views
Can stainless steel "soap" bars actually work or is it just deceptive marketing?
The Wikipedia — Stainless steel soap article sounds highly skeptical, although it does include a possible mechanism involving the chromium in the stainless steel binding with the sulfur compounds and ...
- 11
1
vote
0
answers
50
views
Questions regarding the Newman-Kwart rearrangement
The Newman-Kwart rearrangement is a reaction that converts a phenol to a thiophenol by forming a phenolic thiocarbamate with two alkyl groups (methyl) on the nitrogen. This is acheived by reacting ...
- 21
1
vote
0
answers
68
views
phenolsulphonic acid
Phenolsulfonic Acid( PSA) is produced after sulphonation of Phenol at around 100 degrees. They use this product in tinplating.
Once a stable PSA is formed after sufficient reaction , unreacted ...
- 11
1
vote
0
answers
32
views
Acidity of 2-sulfopropanedioic acid in water
Sulfuric acid is a strong acid ($\mathrm{p}K_\mathrm{a}$ value below that of $\ce{H3O+}$: completely dissociated in water) at its first deprotonation, but is a weak acid ($\mathrm{p}K_\mathrm{a}$ ...
1
vote
0
answers
88
views
Deposition of elemental sulfur
I want to create a thin film of elemental sulfur. Based on significant searching, I can find that elemental sulfur deposition is a significant problem in oil and gas. However, I cannot find any ...
- 276