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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 |
EU illegal chemicals -> useful legal ones?
[rquote=682697&tid=159395&author=Chemgineer][rquote=682136&tid=159395&author=Lionel ... |
26-3-2023 at 07:29
by: Lionel Spanner |
Preparation of ionic nitrites
I couldn't reproduce this method.
In my initial attempt, I stopped when addition of sulphide star ... |
22-3-2023 at 10:24
by: Lionel Spanner |
Has anyone tried the RE-2000A Chineseum Rotovaps?
In my experience, a simple vacuum distillation setup with magnetic stirrer is functionally equivalen ... |
18-3-2023 at 06:25
by: Lionel Spanner |
High yielding and cheap method for the production of Potassium Cyanide
Great work!
Incidentally, I'm quite a fan of your videos - the presentation and pacing are excell ... |
18-3-2023 at 04:44
by: Lionel Spanner |
Preparation of ionic nitrites
[rquote=682249&tid=52&author=clearly_not_atara]Lovely choice of reducing agents we have. Sod ... |
12-3-2023 at 00:13
by: Lionel Spanner |
Unexpected product in mucic acid dry distillation
The filtrate was distilled to dryness, yielding dark brown solids, and a clear distillate with a sli ... |
11-3-2023 at 09:38
by: Lionel Spanner |
A major breakthrough!
One of the biggest problems in producing nitrite by reduction of nitrate is its tendency to react wi ... |
11-3-2023 at 09:29
by: Lionel Spanner |
EU illegal chemicals -> useful legal ones?
Hydrogen peroxide can be concentrated at relatively low temperatures by azeotropic vacuum distillati ... |
7-3-2023 at 13:37
by: Lionel Spanner |
Preparation of ionic nitrites
Many years ago I used to work at a cosmetic/toiletry manufacturer that had once used bronopol (2-bro ... |
2-3-2023 at 16:29
by: Lionel Spanner |
Can't figure out synthesis
Alpha-resorcylic acid, which gives you the 5-substituted resorcinol part, can be made from benzoic a ... |
2-3-2023 at 15:13
by: Lionel Spanner |
Unexpected product in mucic acid dry distillation
The combined distillates from both reactions were basified to pH 14 with 25% caustic soda solution; ... |
1-3-2023 at 16:08
by: Lionel Spanner |
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