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Conditions in malonic ester synthesis.
Hi, I am trying to distil the products from the two reactions. I will report back.
Regards, Frank |
4-1-2023 at 12:27
by: FrankMartin |
Conditions in malonic ester synthesis.
Thanks, I have tried both ways for:
ME + nBuBr = nBuME + NaBr.
1/ nBuBr added dropwise to the ME/N ... |
30-12-2022 at 14:57
by: FrankMartin |
Conditions in malonic ester synthesis.
Thank you, evidently the dropwise additon of the ethoxide might be the more generally safest way. I ... |
27-10-2022 at 13:08
by: FrankMartin |
Conditions in malonic ester synthesis.
Hi, in the malonic ester synthesis I have read two ways of alkylating malonic ester. (ME).
For ex ... |
25-10-2022 at 19:40
by: FrankMartin |
Malonic Ester Synthesis. Side reactions
[rquote=522829&tid=84409&author=Sigmatropic]The best conditions to maximize the first reacti ... |
26-6-2018 at 19:13
by: FrankMartin |
Malonic Ester Synthesis. Side reactions
[rquote=522802&tid=84409&author=TheRealKP]FrankMartin,
You should add the sodium ethoxid ... |
26-6-2018 at 19:06
by: FrankMartin |
Malonic Ester Synthesis. Side reactions
Hi, an experiment with the malonic acid synthesis gave a poor yield and much low-BP product. (ME = ... |
24-6-2018 at 17:05
by: FrankMartin |
Vacuum Distillation
Hi, I'm vacuum distilling a 250degC Alkyl Malonic Ester in the apparatus pictured. When I set the ... |
19-1-2018 at 18:05
by: FrankMartin |
CaO from Ca(OH)2
The 825degC refers to limestone (Ca(CO3)2), Slaked lime decomposes at a much lower temp.
I tried ... |
15-4-2014 at 16:09
by: FrankMartin |
CaO from Ca(OH)2
Hello. Has anyone used microwaves for the reaction:
Ca(OH)2 -----> CaO + H2O ?
My intent ... |
14-4-2014 at 22:07
by: FrankMartin |
Sodium manufacture. Electrolytic cell.
A good laboratory prep of Sodium metal is described in:
"SMALL-SCALE SYNTHESIS
of LABORATORY REAGE ... |
11-2-2013 at 18:53
by: FrankMartin |
How do I make permanent glassware markings?
I mean on glass apparatus not normally calibrated. Do I rub the glass with fine emery paper and th ... |
28-10-2011 at 15:16
by: FrankMartin |
Small resistance heater. Problem
Thanks. I made the heater to fit down a B19 flask socket to reflux organic liquids without bumping. ... |
27-9-2011 at 16:13
by: FrankMartin |
Small resistance heater. Problem
I have made a small resistance heater from BS28 nichrome wire connected to electrodes of 316LSS.
... |
27-9-2011 at 14:59
by: FrankMartin |
Synthesis of Malonic acid...
This may be done via enolate (crossed claisen) chemistry, vis:
Etn-Butyrate + DiEthylCarbonate = ... |
21-8-2011 at 21:13
by: FrankMartin |
Stainless steel stirrer shafts.
I have had great luck in mining an old color printer for SS stirrer shafts. These are extracted fro ... |
8-5-2011 at 15:57
by: FrankMartin |
Is there any replacement for Di Ethyl Ether?
I was hoping some other ether such as t-Butyl Methyl Ether might function as a grignard solvent, an ... |
13-4-2011 at 14:15
by: FrankMartin |
Best way to quantitatively spot TCL plates?
[rquote=200718&tid=15429&author=Ozone]If you are *very* careful you can use both ends. Other ... |
5-2-2011 at 16:40
by: FrankMartin |
Best way to quantitatively spot TCL plates?
[rquote=200598&tid=15429&author=Ozone]I like to use 10 uL Hamilton (or SGE) syringes. Used f ... |
4-2-2011 at 14:57
by: FrankMartin |
Best way to quantitatively spot TCL plates?
I need a consistant way to spot TLC plates with 2 microLitres of sample. Normally I use thin glass ... |
3-2-2011 at 20:05
by: FrankMartin |
Help. Malonic ester synthesis via crossed claisen.
[rquote=200411&tid=15409&author=DJF90]Both carbonyl groups in the oxalate ester will have th ... |
3-2-2011 at 19:57
by: FrankMartin |
How do I reply to a specific post?
Thanks, I tried this but all I get is a box full of the text of the previous post. Where do I type ... |
2-2-2011 at 16:39
by: FrankMartin |
How do I reply to a particular poster?
I've asked this before, but I still cannot do it! Can someone explain, in simple steps, (as though ... |
2-2-2011 at 14:47
by: FrankMartin |
Help. Malonic ester synthesis via crossed claisen.
Thanks. Is it that EtOxalate has two carboxy groups per molecule, and so has two electrophilic site ... |
1-2-2011 at 20:02
by: FrankMartin |
Help. Malonic ester synthesis via crossed claisen.
Theoretically diEthylMalonate can be made by condensing EthylAcetate with DiEthylCarbonate with NaEt ... |
31-1-2011 at 16:38
by: FrankMartin |
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