Search |
[Next Page] |
The short questions thread (1) But if the workup described a basic wash, the compound can't be that sensible? Perhaps alot of unrea ... |
2-10-2008 at 08:20 by: Klute |
methylenedioxybenzyl chloride + sommelet? Wonderfull! thanks alot PainKilla! |
2-10-2008 at 05:52 by: Klute |
The short questions thread (1) Better look at Mg methoxide/paraformaldehdye formylation of phenols, the conditions are much less ah ... |
1-10-2008 at 22:25 by: Klute |
methylenedioxybenzyl chloride + sommelet? Thank you very much!
What's the problem with british patent, heh? |
1-10-2008 at 22:22 by: Klute |
sulfonylchloride to thiol On a TLC plate, your compounds will basicly elute in decreasing polarity: the more polar will be "re ... |
1-10-2008 at 12:53 by: Klute |
Vacuum Desiccation vs. Atmospheric Desiccation I would go for atmospheric dessicators, one where you put your containers that you don't use much. B ... |
1-10-2008 at 12:43 by: Klute |
The short questions thread (1) What reducting agent will be used? NaBH4? catalytic hydrogenation?
Will the amine be used anhydro ... |
1-10-2008 at 12:39 by: Klute |
methylenedioxybenzyl chloride + sommelet? See patent US 1 094 417 for an example, where AcAcOEt is alkylated with p-MeOBnCl in ~50% isolated y ... |
1-10-2008 at 12:36 by: Klute |
The short questions thread (1) Well, I have an old patent (US 1 094 417) where AcAcOEt is C-benzylated with 4-MeOBnCl in moderate y ... |
1-10-2008 at 08:23 by: Klute |
Preparation of Alkyltriphenylphosphonium Bromides I am correct in assuming NaH would work also? |
1-10-2008 at 08:11 by: Klute |
methylenedioxybenzyl chloride + sommelet? I have stumble don several prearation forming the bromide form the alcohol with aq. HBr at RT or und ... |
1-10-2008 at 07:57 by: Klute |
sulfonylchloride to thiol the sulfonyl chloride (and the acid IIRC) are reduced to the sulfinic acid in absence (or too small ... |
1-10-2008 at 07:37 by: Klute |
methylenedioxybenzyl chloride + sommelet? Thank you very much Smuv. I guess the bromide is more practical to work with (recrystallization), le ... |
30-9-2008 at 22:06 by: Klute |
The short questions thread (1) Has anyone used sodium isopropoxide in IPA for b-ketoester alkylations (AcAcOEt to be precise)? Or d ... |
30-9-2008 at 15:09 by: Klute |
methylenedioxybenzyl chloride + sommelet? Has anyone have the mp for piperonyl chloride and bromide? I don't have a handbook, and quite surpr ... |
30-9-2008 at 15:04 by: Klute |
The short questions thread (1) I used a cheap transparent platic box, some PVC tubing, some washing gloves, and silicon to seal all ... |
30-9-2008 at 06:01 by: Klute |
The short questions thread (1) You could try dissolving it in a aprotic solvent such dioxane or toluene (not sur eof the solubiliti ... |
30-9-2008 at 04:52 by: Klute |
Preparation of Alkyltriphenylphosphonium Bromides Especially with paper chromatography, which doesn't have the same adsorption properties as silica... ... |
30-9-2008 at 04:41 by: Klute |
p-chloro aniline And don't forget [url=http://www.orgsyn.org/default.asp]OrgSyn[/url]!!
maybe you can use an analo ... |
29-9-2008 at 12:03 by: Klute |
Preparation of Alkyltriphenylphosphonium Bromides I would follow any common procedure for a wittig reaction, I am sure ther eis plenty in the litt, ge ... |
29-9-2008 at 11:48 by: Klute |
Oxidation of Benzyl Chloride Acidified sulfite will give off SO2, no adding sulfite and acid simultaneously might act as dissolve ... |
29-9-2008 at 09:04 by: Klute |
Cu/SiO2 a cheap versatil hydrogenation catalyst? Cu/SiO2 is pretty commonly used in the industry, so I have no doubt it works.
It can be used as a h ... |
29-9-2008 at 02:27 by: Klute |
Cu/SiO2 a cheap versatil hydrogenation catalyst? Thank you Barium, I am very honored.
Would you care elaborating on your experience with metal bo ... |
28-9-2008 at 08:39 by: Klute |
Cu/SiO2 a cheap versatil hydrogenation catalyst? [b]Attempted reduction of dehydrozingerone by Cu/SiO2-catalyzed hydrogenation[/b]
[IMG]http:/ ... |
28-9-2008 at 06:27 by: Klute |
Oxidation of Benzyl Chloride In acidic conditions, you will not get MnO2, but soluble Mn 2+. Unless you isolate the benzyl alcoho ... |
28-9-2008 at 05:41 by: Klute |
[Next Page] |