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Search [Next Page] Why some compounds may disappear in TLC? If you are using fluorescent TLC plates they show spots by glowing under UV-light, but any aromatic ... 29-10-2019 at 11:53 by: Cactuar Cant get 2-Chlorophenyl cyclopentyl ketone from grignard reaction [rquote=624925&tid=154212&author=Cactuar]... your desired ketone at around 100-130C.[/rquote ... 28-10-2019 at 10:31 by: Cactuar Cant get 2-Chlorophenyl cyclopentyl ketone from grignard reaction Yes, that looks quite similar to the reaction I posted in your other thread. If you're doing this on ... 25-10-2019 at 00:09 by: Cactuar Cant get 2-Chlorophenyl cyclopentyl ketone from grignard reaction Still no luck eh? 6M for hydrolysis is overkill. 1M should be enough, do it cold. Can you show us ... 23-10-2019 at 10:40 by: Cactuar Konrblum oxidation of 2-(chloromethyl)-2-methyl-1,3-dioxolane Ketals are actually quite resilient being bidentate. The sommelet reaction will give you an iminium ... 13-10-2019 at 12:13 by: Cactuar grignard reagent to o-Chlorophenyl cyclopentyl ketone [rquote=623372&tid=154038&author=RabbitTy]TLC（20%etoac/pet ether）,the top spot like ur. ... 22-9-2019 at 23:47 by: Cactuar grignard reagent to o-Chlorophenyl cyclopentyl ketone [rquote=623351&tid=154038&author=RabbitTy]furthermore, I can also get the top spot compound ... 22-9-2019 at 22:38 by: Cactuar grignard reagent to o-Chlorophenyl cyclopentyl ketone [rquote=623269&tid=154038&author=Pumukli]Nice work, Cactuar! It seems that not the solven ... 22-9-2019 at 12:28 by: Cactuar grignard reagent to o-Chlorophenyl cyclopentyl ketone For your pleasure I just tried the reaction myself but with chlorocyclopropane and m-tolunitrile sin ... 21-9-2019 at 03:42 by: Cactuar grignard reagent to o-Chlorophenyl cyclopentyl ketone [rquote=623222&tid=154038&author=RabbitTy][rquote=623215&tid=154038&author=DavidJR]I ... 20-9-2019 at 00:15 by: Cactuar grignard reagent to o-Chlorophenyl cyclopentyl ketone What's the purity of your nitrile? Have you triturated your grignard solution? Explain your pr ... 19-9-2019 at 12:24 by: Cactuar Carboxylic acid to nitriles using microwave radiation [rquote=622686&tid=153845&author=Boffis]@Cactaur, I think you missed the point of my first c ... 11-9-2019 at 14:19 by: Cactuar Carboxylic acid to nitriles using microwave radiation [rquote=622679&tid=153845&author=Boffis]Do I understand the paper correctly? It states that ... 11-9-2019 at 09:29 by: Cactuar Need Help Separating different isomers of Halogenated Benzene Compounds I have never heard of nitro-group protection. Neither of using gel electrophoresis for anything othe ... 5-9-2019 at 12:29 by: Cactuar Need Help Separating different isomers of Halogenated Benzene Compounds It is possible with NBS in sulfuric acid (10.1080/00397911.2013.838790) but would give a horrendous ... 4-9-2019 at 11:58 by: Cactuar Addition of hydroxylamine across double bonds That could be possible. Nitro-aldol condensations occur easily with amine bases. Maybe you could eve ... 31-8-2019 at 14:41 by: Cactuar Addition of hydroxylamine across double bonds Maybe one approach would be to condense 1 eq acetone with 1 eq anisaldehyde and then take the conden ... 30-8-2019 at 12:49 by: Cactuar Synthesizing Nitrobenzene [Video] Instead of doing 2 water washes I would do one with saturated NaHCO3 and one with brine. This would ... 27-8-2019 at 11:45 by: Cactuar Revisiting ketamine synthesis (from a serious synthetic perspective) [rquote=620729&tid=153179&author=chempig]I have a hard time deciphering what the author coul ... 21-8-2019 at 00:16 by: Cactuar Potassium ethoxide Azeotropic distillation must be easier than all that other hassle. 7-4-2019 at 12:52 by: Cactuar Removing HCl from L-histidine methyl ester dihydrochloride [rquote=606071&tid=146781&author=ZidaneTribal]I need it to react with methacryloyl acid in o ... 24-3-2019 at 01:12 by: Cactuar How would you go around synthesizing this molecule? [rquote=556619&tid=105473&author=CuReUS]The nitro might also activate the COOH enough to dir ... 28-11-2018 at 04:22 by: Cactuar How would you go around synthesizing this molecule? [rquote=556474&tid=105473&author=BlackDragon2712]I like this idea... This is what I'm going ... 27-11-2018 at 04:47 by: Cactuar How would you go around synthesizing this molecule? [rquote=554691&tid=105473&author=clearly_not_atara]phthalimido-GBR-12935 + hydrazine >> ... 23-11-2018 at 14:34 by: Cactuar Optimizing Henry reaction conditions (substituted benzaldehydes + nitromethane) [rquote=553956&tid=76743&author=Melgar]My understanding of azeotropic evaporation is that wh ... 23-11-2018 at 14:24 by: Cactuar [Next Page]

Sciencemadness Discussion Board » Search Select A Forum Fundamentals   » Chemistry in General   » Organic Chemistry   » Beginnings   » Responsible Practices   » Miscellaneous Engineering and Equipment   » Reagents and Apparatus Acquisition   » Electronics   » Process Engineering   » Materials and Metallurgy Special Topics   » Analytical Chemistry   » Electrochemistry   » Energetic Materials   » Biochemistry   » Radiochemistry   » Computational Models and Techniques Literature and Documentation   » Sciencemadness Wiki   » Prepublication Non-science   » Forum Matters   » Legal and Societal Issues