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Is pyrrolidine hydrochloride deliquescent, or easy to dry?
In my experience, removing water by vacuum distillation is the easiest way to dry deliquescent salts ... |
4-6-2023 at 09:04
by: Lionel Spanner |
Substituted Benzoic acid to primary 2ndry tertiary Benzylamine?
Nice one - hope it goes well! |
4-6-2023 at 08:55
by: Lionel Spanner |
Best way to dissolve bathroom mineral stains?
It might be worth trying "active oxygen" type laundry powder wetted with water. The so-called "activ ... |
2-6-2023 at 07:27
by: Lionel Spanner |
Absorption of NO2 by H2SO4
It's most likely reacted to form nitric acid. |
1-6-2023 at 05:54
by: Lionel Spanner |
Usable heat of dilution data
To be absolutely honest, I think this whole exercise is like trying to make a four-dimensional fract ... |
28-5-2023 at 07:55
by: Lionel Spanner |
Acetic anhydride preparation
I posted this method for acetic anhydride a little while back, while apparently not seeing this stic ... |
24-5-2023 at 16:31
by: Lionel Spanner |
Usable heat of dilution data
There is no simple way to calculate the heat change in a given situation; it depends on the respecti ... |
24-5-2023 at 14:40
by: Lionel Spanner |
Diluting 90+% Nitric Acid to 70%?
For what it's worth, I've successfully distilled azeotropic nitric acid using concentrated sulphuric ... |
23-5-2023 at 13:35
by: Lionel Spanner |
Substituted Benzoic acid to primary 2ndry tertiary Benzylamine?
[rquote=684330&tid=159583&author=glen] I checked the paper you provided, does it in practi ... |
21-5-2023 at 09:33
by: Lionel Spanner |
Substituted Benzoic acid to primary 2ndry tertiary Benzylamine?
[rquote=684308&tid=159583&author=Loptr]I don't think you can call a reduction of a carboxyli ... |
20-5-2023 at 10:22
by: Lionel Spanner |
Substituted Benzoic acid to primary 2ndry tertiary Benzylamine?
[rquote=684295&tid=159583&author=glen]Interesting! Thanks! Though I did think borane as a re ... |
20-5-2023 at 03:41
by: Lionel Spanner |
Substituted Benzoic acid to primary 2ndry tertiary Benzylamine?
You can decarbonylate acids and amides with sodium borohydride and iodine, forming borane as a trans ... |
19-5-2023 at 01:59
by: Lionel Spanner |
Solubility Chart
Very handy indeed. Good old Ligma Aldrich. |
18-5-2023 at 10:58
by: Lionel Spanner |
Gas Stove
The best type of non-gas cooker I've ever come across is a halogen hob. It has speed and efficiency ... |
17-5-2023 at 07:35
by: Lionel Spanner |
Makeshift (slight) vacuum generator
[rquote=684149&tid=159572&author=Sulaiman]For vacuum filtration :
https://www.amazon.com/g ... |
16-5-2023 at 12:21
by: Lionel Spanner |
Tetrasulfur Tetranitride
[rquote=683817&tid=10440&author=mayko]I just ran across this, which elaborates on the seleni ... |
11-5-2023 at 15:07
by: Lionel Spanner |
Woes with reduced pressure distillation
I'd also suggest using as large a flask as practically possible, so if the mixture does bump, it'll ... |
9-5-2023 at 14:11
by: Lionel Spanner |
Bad days in the lab or with glassware?
A little while back, I attempted to prepare sodium nitrite by hydrolysing bronopol with caustic soda ... |
6-5-2023 at 03:30
by: Lionel Spanner |
Finding percentage of tin in leaded tin solder
The easiest way to work this out is with algebra, assuming it is purely an alloy and doesn't contain ... |
4-5-2023 at 06:43
by: Lionel Spanner |
Readily Available Chemicals Website: Version 2
UK-based chemists can buy [url=https://www.machinemart.co.uk/p/argon-gas-cylinder-2/]argon[/url] and ... |
22-4-2023 at 11:16
by: Lionel Spanner |
Acid chlorides (and acetic anhydride) according to Venkataraman
The attached paper by Venkataraman and Wagle, from Tetrahedron Letters (1979), describes a way of pr ... |
22-4-2023 at 08:12
by: Lionel Spanner |
Warfarin syntheses
Found this 1943 paper, which details the preparation of 4-hydroxycoumarins from methyl acetylsalicyl ... |
4-4-2023 at 06:11
by: Lionel Spanner |
Warfarin syntheses
The Pechmann synthesis for coumarins uses conc. sulphuric acid and aluminium chloride, rather than p ... |
2-4-2023 at 14:17
by: Lionel Spanner |
Everyday Chemistry
Made methyl acetate last week, using a nice simple Fischer-Speier reaction with a 5:1 excess of meth ... |
2-4-2023 at 07:10
by: Lionel Spanner |
Interesting low-temperature decarboxylation procedure
When reviewing the first syntheses of cubane (Eaton and Pettit, 1964 and 1966), I came across a low- ... |
26-3-2023 at 08:22
by: Lionel Spanner |
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