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borohydride/alcohol reactions and role in reductions
Since when is NiCl2 considered "green chemistry" or is that just meant as a reference to the hexahyd ... |
20-5-2016 at 07:02
by: lullu |
borohydride/alcohol reactions and role in reductions
It is not required.
I can confirm that you can reduce them in good yield using aqueous NaBH4 soluti ... |
19-5-2016 at 03:03
by: lullu |
Nitromethane, nitroethane, nitropropane synthesis via industrial route
Jimmymajesty very nice upgrade! Looking forward to hear your reports on this. |
31-10-2015 at 02:06
by: lullu |
What to do with tryptamine?
Reductive amination works with plain NaBH4 when done right.
Also there are a lot of better alternat ... |
14-9-2015 at 04:42
by: lullu |
Need a UV-Box for TLC, any suggestions?
PURITEC HNS 254nm by OSRAM work quite good and are cheap
The TLC boxes use a bandpass filter to ge ... |
7-8-2015 at 03:30
by: lullu |
Activated Carbon as a fume filter: What DOESN'T it absorb?
If you would check that filter you will see that it is perfectly suited you smart a**.
Also I am ... |
31-7-2015 at 04:40
by: lullu |
Activated Carbon as a fume filter: What DOESN'T it absorb?
A2B2E2K1HGP3 would be a good choice for most amateur chemists, not too expensive and its a good allr ... |
31-7-2015 at 01:19
by: lullu |
5-Bromoindole preparation
Very interesting, thanks for sharing Karlos! |
8-6-2015 at 03:57
by: lullu |
Possible OTC, 'safe' methylating agents
A bit off topic but still quite an interesting read.
Only works for phenolic aldehydes but is total ... |
12-5-2015 at 09:33
by: lullu |
Preparation of Salicylaldehyde
Very nice Magpie!
Is there any specific reason you liberated the aldehyde in acidic conditions, t ... |
31-3-2015 at 08:26
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
Thank you so much! |
3-3-2015 at 05:01
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
[rquote=395288&tid=19464&author=DJF90]
Good to see I gave good advice.
[/rquote]
indeed! ... |
3-3-2015 at 03:38
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
[rquote=395267&tid=19464&author=DJF90]
That worked much better, well done. What eluent are ... |
3-3-2015 at 01:29
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
The spotting was indeed too high concentrated.
Here is the result:
Left side is pure 4-methoxyphen ... |
2-3-2015 at 09:29
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
Sample might be indeed too concentrated, it is diethyl ether.
I just ordered a 254nm UV-S. I'll r ... |
27-2-2015 at 10:11
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
[rquote=394826&tid=19464&author=DJF90]I'm guessing you're new to TLC. What ratios of solvent ... |
27-2-2015 at 09:39
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
Looks like there is indeed another product if I am not mistaken, separation is not very good with th ... |
27-2-2015 at 07:59
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
Thanky DJF90, it is 2-Hydroxy-5-methoxybenzaldehyde not 2,5-Dimethoxybenzaldehyde which has its mp a ... |
27-2-2015 at 05:40
by: lullu |
Formylation of para-methoxyphenol: failure due to diformylation
Did anyone experience that the aldehyde won't solify under 4°C?
Even thin layers on a beaker wall ... |
27-2-2015 at 04:07
by: lullu |
4-methoxyphenol syn using hydroquinone methyl iodide
I had problems getting it to deposit when vacuum distilling bulb to bulb.
Thanks for sharing your e ... |
25-2-2015 at 02:19
by: lullu |
Preparation of methyl tosylate, safe methylating agent
Duo to ECHA, getting NMP in europe is getting harder nowadays.
NMP is still used in some paint stri ... |
10-12-2014 at 11:06
by: lullu |
Preparation of methyl tosylate, safe methylating agent
Thank you haber, I should have mentioned these refs, I was too blind back then. |
21-11-2014 at 08:29
by: lullu |
Preparation of Benzophenone
very nice Magpie!
May I ask how you generate your steam for destillation?
|
3-11-2014 at 02:08
by: lullu |
4-methoxyphenol syn using hydroquinone methyl iodide
To draw a picture:
neutralization:
[img]https://a.pomf.se/pnmyqq.jpg[/img]
After neutralizati ... |
31-10-2014 at 12:15
by: lullu |
4-methoxyphenol syn using hydroquinone methyl iodide
Thanks for your comment DJF90.
All solvents used where purum/synthesis quality, temperature was und ... |
31-10-2014 at 11:17
by: lullu |
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