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ethyl formate - esterification by reactive distillation
Hi Fery, I am currently trying your technique for the preparation of ethyl formate and things are go ...
4-8-2020 at 05:49
by: Boffis
Solubility of iodine in dichloromethane
Does anyone know how soluble iodine is in dichloromethane? I have searched on google etc and found a ...
2-8-2020 at 05:25
by: Boffis
Synthesis of polyCarboxylic Ether
What is "polycarboxylic ether"? Do you mean ester?

If you can't be bothered to put a little more ...
1-8-2020 at 23:13
by: Boffis
Making Phénazone from 4 amino phénazone
In that case I think you are pretty well stuffed. There is a reaction that removes dimethylamino gro ...
31-7-2020 at 03:20
by: Boffis
Making Phénazone from 4 amino phénazone
By 4-aminophenazone are we talking amino-antipyrine (1-phenyl-2,3-dimethyl-4-amino-5-pyrazolone)? If ...
31-7-2020 at 02:21
by: Boffis
Diethylamine and m-Toluic acid from DEET
Yes, ethylene glycol is a good high temperature, protic solvent that is often a better solvent for o ...
30-7-2020 at 05:43
by: Boffis
1-Dodecylpyridinium bromide as PTC
Could you test some by adding some of the amine to a solution of potassium permanganate say and then ...
26-7-2020 at 09:08
by: Boffis
Pretty Pictures (2)
Not for the faint hearted; 6g of diiodo-acetylene recrystallised from dichloromethane:-

[file]82 ...
26-7-2020 at 02:45
by: Boffis
Brown crystals within green copper(II) chloride crystals - What are they?
In the presence of alkali and some alkaline earth metal salts copper II chloride forms chlorocuprate ...
16-7-2020 at 04:31
by: Boffis
Thiamine catalyzed benzoin condensation failure
@ Splendidacylation; When I did that write-up and several subsequent preparations I had a few failur ...
9-7-2020 at 00:56
by: Boffis
Preventing flowback without inverse funnel trap or extra container?
Whats wrong with the good old inverted funnel? I use this method all the time with both chlorine and ...
6-7-2020 at 12:09
by: Boffis
Copper cyanurate (and other cyanurates}
I suspect that on boiling with water the violet complex decomposes giving a ppt of some basic copper ...
5-7-2020 at 01:23
by: Boffis
Amidation of cinnamic acid using CDMT
Is it actually necessary to convert the cyanuric chloride into CDMT first? You seem to be reducing t ...
3-7-2020 at 03:50
by: Boffis
Rhodanine and the alcoholic ammonia saga
I required some rhodanine for the preparation of various derivatives that I wish to prepare. There a ...
3-7-2020 at 02:02
by: Boffis
The seemingly anomalous reduction of 3,5-dinitrosalicylamide to 3-amino 5-nitrosalicylamide by iron/HCl
@nitro-genes; Have you tried sodium sulphide type reducing agents as they tend to give selective o-n ...
3-7-2020 at 00:51
by: Boffis
a-iodination
What patent?
29-6-2020 at 00:50
by: Boffis
Sterogenol solution
@Syn the Sizer; are you sure about being able to split off the cetyl C16 alkyl group from a quaterna ...
28-6-2020 at 00:09
by: Boffis
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
OK here's a translation of the most useful paper from Zeit. f. Chem.. I have only translated the bit ...
25-6-2020 at 07:03
by: Boffis
Copper cyanurate (and other cyanurates}
@Lion850; Cyanuric crystallises from water in anhydrous crystals, any water present means that it is ...
25-6-2020 at 04:54
by: Boffis
Copper cyanurate (and other cyanurates}
Woelen is correct about cyanuric acid. I looked it up in one of my old chemistry books dedicated to ...
25-6-2020 at 00:07
by: Boffis
The chemistry of Sorbic acid
Hi Cryolite; those are two really interesting papers. They highlight the difference between the elec ...
22-6-2020 at 13:47
by: Boffis
CHP from KClO4?
@underground; you are getting confused! Potassium tartarate is easily soluble in water, potassium hy ...
22-6-2020 at 04:44
by: Boffis
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
@Tsjerk; In the paper that describes this method I am sure they reckoned that extraction was about 8 ...
22-6-2020 at 01:23
by: Boffis
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
@B.D.E.; I checked out some old chemical dictionaries and got some references to the nitration of to ...
21-6-2020 at 03:50
by: Boffis
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
@B.D.E.; very interesting results. The solid that separated when you diluted the reaction mxture; di ...
20-6-2020 at 03:11
by: Boffis
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