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Difficulty getting a peptide coupler.
[rquote=523229&tid=23877&author=JJay]PyBOP isn't that hard to find... someone was selling so ...
6-7-2018 at 01:03
by: karlos³
Difficulty getting a peptide coupler.
I hope nobody does mind that I do such a blatant necropost here, but I am really lost finding a cert ...
5-7-2018 at 07:58
by: karlos³
aldehyde bisulfite adduct to acid azide
Wouldn't it be problematic to add the sodium azide to the reaction mixture?

Because of the acetic ...
3-7-2018 at 08:41
by: karlos³
aldehyde bisulfite adduct to acid azide
Oh no, for real?

Just typed a lengthy reply, uploaded six references and then that!

I'll keep ...
30-6-2018 at 02:15
by: karlos³
aldehyde bisulfite adduct to acid azide
Thank you, I was really not sure about this.
This is already a really helpful reply!

It is a bit ...
29-6-2018 at 09:48
by: karlos³
aldehyde bisulfite adduct to acid azide
Hey, so I do have a problem and I would really greatly appreciate if someone could give me some tang ...
29-6-2018 at 03:14
by: karlos³
EPP 15% Sulphuric acid !
Banning sulfuric acid?? Even such a diluted version?
I wonder what will be bannend next time, mayb ...
3-6-2018 at 16:09
by: karlos³
The Short Questions Thread (4)
Thank you, that was very helpful!

So, if the inversed brominated, now (R)-rotating compound, afte ...
20-5-2018 at 03:29
by: karlos³
The Short Questions Thread (4)
Well, I have a short question concerning chirality...
If anyone could help, it would be greatly app ...
16-5-2018 at 02:28
by: karlos³
3-acetylindole
AvBaeyer,

Sorry for my late reply, just have seen your post.

I can only tell you, that I have ...
10-5-2018 at 22:48
by: karlos³
Should I talk to the police before starting my lab?
I concur with the common opinion on this matter, don´t talk with the police ever!
That´s what law ...
24-1-2018 at 10:46
by: karlos³
the right choice of PTC catalyst
Thank you all!

I´ve decided to alkylate triethylamin with both bromopentane as well as ethyliodi ...
9-1-2018 at 04:13
by: karlos³
the right choice of PTC catalyst
Hey, there is something that is very unclear to me.
With PTC, in this case, only quarternary ammoni ...
2-1-2018 at 20:38
by: karlos³
Would a matter replicator from star trek be possible to create? What problems are there from this idea other than energy?
You mean the teleportation of a single, what was it, a photon?
Which hasn´t really much to do with ...
12-12-2017 at 14:34
by: karlos³
How much have you spent on your lab?
Yeah I am not saying I spent every month this amount, this is just an overall estimation.
Like you ...
23-11-2017 at 15:40
by: karlos³
Protecting weak secondary amines - driving me crazy!
@OP, I concur with zed, could you please be so kind to tell us more about what you´re up to produce ...
23-11-2017 at 14:43
by: karlos³
How much have you spent on your lab?
It would be easier for me if the question would be "how much do you spent on your lab monthly?", whi ...
23-11-2017 at 14:34
by: karlos³
Is there an easy process to cut diamonds, perhaps a dremel tool or lasers
[rquote=498418&tid=78468&author=aga]
Cleaving is a highly skilled art, where the cutter wha ...
23-11-2017 at 14:16
by: karlos³
Chaser solvent for Acetic Anhydride and Glacial Acetic Acid fractionation
Is it AcOH or Ac2O which you have in excess? If the latter, following procedure would be suitable:
...
22-11-2017 at 15:30
by: karlos³
Protecting weak secondary amines - driving me crazy!
Use tosyl chloride and pyridine, that works for a great leaving group.
17-11-2017 at 08:54
by: karlos³
Noticing Things that Happen All the Time
I noticed that every breath I take, I only absorb a few percent of oxygen instead of the whole conta ...
4-11-2017 at 16:41
by: karlos³
Sodium cyanate from hydroxide or carbonate?
For sodium cyanate, hydroxide is better, as it doesn´t requires as high temperatures.
You can appa ...
6-10-2017 at 23:17
by: karlos³
Possible PEA from phenylalanine with a sodium carbonator
Decarboxylation means a molecule of CO2 is removed from the substrate, not added to it, the latter i ...
6-10-2017 at 20:55
by: karlos³
3-acetylindole
Thanks Dr.Bob!
That seems plausible, regarding tosic acid being a good leaving group, as is phosph ...
6-10-2017 at 19:24
by: karlos³
3-acetylindole
Thanks for all the input given, more or less helpful but always very nice and welcome, I appreciate ...
6-10-2017 at 07:01
by: karlos³
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