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OTC source of phosphates?
Calcium phosphate is available in bulk as a feed supplement for horses - it's used to increase bone ...
14-5-2022 at 04:34
by: Lionel Spanner
DCM
[rquote=673072&tid=158534&author=Antiswat]"Date of previous issue : 25-7-2016" is on the MSD ...
27-4-2022 at 13:31
by: Lionel Spanner
LAH Reduction
[rquote=673066&tid=158559&author=zed]Ummm. Blew an addition funnel out of. a flask?

I ha ...
27-4-2022 at 03:50
by: Lionel Spanner
N-Dimethylation of aromatic nitro-amines
The Eschweiler-Clarke reaction (formaldehyde and formic acid) is a typical method for making tertiar ...
19-4-2022 at 12:53
by: Lionel Spanner
DCM
Polycell apparently no longer contains DCM; the MSDS only declares butyl acetate and cyclohexanone, ...
19-4-2022 at 11:53
by: Lionel Spanner
The road to vanillin
I can remember doing this very synthesis many years ago in undergraduate labs, starting from steam-d ...
18-4-2022 at 04:02
by: Lionel Spanner
Easy-to-synthesize odor compounds
[rquote=672874&tid=158258&author=Antiswat]combining HCl or NaOH with acetone and letting it ...
18-4-2022 at 02:52
by: Lionel Spanner
Preparation of ionic nitrites
[rquote=672032&tid=77186&author=S.C. Wack]Nitrite can be determined quantitatively by titrat ...
18-3-2022 at 11:48
by: Lionel Spanner
Preparation of ionic nitrites
[rquote=672085&tid=77186&author=BAV Chem]On another note, what is the calcium hydroxide even ...
18-3-2022 at 02:35
by: Lionel Spanner
Preparation of ionic nitrites
I may well be very late to the party, but has anyone tried the method described in US patent 729,515 ...
17-3-2022 at 13:52
by: Lionel Spanner
Synthesis of thioacetone?
[rquote=671623&tid=79395&author=Keras]What’s funny about thioacetone is that it seems to s ...
10-3-2022 at 04:13
by: Lionel Spanner
my ethanol is corrosive
In my experience denatured alcohol can be stored perfectly well in metal and HDPE containers, which ...
9-3-2022 at 03:50
by: Lionel Spanner
Easy-to-synthesize odor compounds
Another good one is making coumarin from malic acid and phenol in a Pechmann condensation. When mixe ...
18-2-2022 at 15:01
by: Lionel Spanner
Phthalic acids from xylene using Oxone® as an oxidising agent
Based on the findings of Kennedy and Stock in J. Org. Chem. 25, 11, 1901-1906, it's likely that at l ...
14-2-2022 at 10:56
by: Lionel Spanner
Easy-to-synthesize odor compounds
I've found a good one - you can synthesise corylone (sweet/spicy coffee-like smell) from diethyl adi ...
14-2-2022 at 06:21
by: Lionel Spanner
Easy-to-synthesize odor compounds
If you like nutty coffee-type smells, give the Gutknecht pyrazine synthesis a go. It involves self-c ...
11-1-2022 at 11:45
by: Lionel Spanner
Mono-nitration of resorcinol
I suspect you have a mixture of nitroresorcinols, some of which are sulphonated - which would explai ...
22-12-2021 at 06:11
by: Lionel Spanner
Boiling point of organic carbonates
The fundamental difference is that ethylene and propylene carbonate are cyclic, while dimethyl and d ...
20-12-2021 at 11:58
by: Lionel Spanner
Project: Making thionyl chloride from easy-to-get precursors
[rquote=668707&tid=158187&author=Monoamine] [b]Question[/b]: I couldn’t find a clear answe ...
16-12-2021 at 00:39
by: Lionel Spanner
Ring closing mechanism
It looks pretty plausible, though the first two steps are more likely to occur as a single concerted ...
15-12-2021 at 14:04
by: Lionel Spanner
Ring closing mechanism
It looks to me like a variation on a Nazarov cyclisation, with tin coordinating to oxygen and acting ...
15-12-2021 at 01:28
by: Lionel Spanner
Help with FT-IR spectra
+1 for 3467/cm being an N-H amine stretch. Water would appear as a huge hump obscuring all the othe ...
14-12-2021 at 07:12
by: Lionel Spanner

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