-
Answer added to:7 Which is best method to identify alkene starting material,how i can conform epoxidation takesplace without NMR?you can conform weather the isolated product is epoxide or not by adding NaOH if you get so polar compound afte the addition of NaOH that indiactes th... [more]
-
Answer added to:1 Can anyone give me the standard procedure for determining polyphenolic compounds in the herbal plant extract?Extract you plant material in 70% methanol, Then dry into powder. Load into column (XAD-8,16,7 etc.) followed by C-18 or Sephadax column with Methanol... [more]
-
Answer added to:1 How to convert 3-nitro propiophenone to 3-methoxy propiophenone?u can use Na2S..or ammonium poly sulfide or sodium dithionite....all these agents do not affect ketones ...and convert nitro to amines...then use diaz... [more]
-
Answer added to:2 How do you take a digital image of a TLC plate under long-wave UV light?Great thank you! I'll order a UV filter and try this out.
-
Answer added to:21 Can anyone provide reduction of aromatic nitro in presence of other reducible groups like ketone and alkaline?Use NH2NH2/FeCl3 and Methanol:water (2:2) feflux it and then added ur compound
-
Answer added to:7 Stability of thioamides?Thank you all for your help. Cheers...
-
Answer added to:140 How could I dry dichloromethane?If dichloromethane has too much water vapours then you should redistil it using distillation assembly. But if there is little bit water in your DCM th... [more]
-
Answer added to:14 What would be the quickest way to know the purity of a certain extract?1- On your bench, you can develop a TLC (thin-layer chromatogram) using an appropriate solvent system. It is a cheap and self-dependent strategy. 2- I... [more]
-
Answer added to:1 How does chromophore distance effect the fluorescence emission property of organic crystals?Look up http://en.wikipedia.org/wiki/F%C3%B6rster_resonance_energy_transfer
-
Answer added to:9 Problem with nBuLi reaction.Hi Srinivas, Have you tried a Hauser Base? eg Diisopropylaminomagnesium Bromide? Make Isopropylmagnesium Bromide and add 1 equiv of Diisopropylamin... [more]
-
Answer added to:3 How can I model interaction of (small) organic molecules with a metallic surface ?try QuantumEspresso (http://www.quantum-espresso.org/) or SeqQuest (http://dft.sandia.gov/Quest/)
-
Answer added to:12 Does anyone know of any tool/database which predicts whether an organic molecule is chemically synthesizable or not?Up till date it is knowledge based :-)
-
Answer added to:5 What are the confirmatory tests for chalcone ?Refer second B.Pharm's exeperimental organic chemistry texbook
-
Answer added to:5 I need a book about reactions of all reagents with different organic compoundsorganjic chemistry by Finar vol 1 &2. org chem reactions &reagents O.P.Aggarwal
-
Answer added to:4 Acyl migrationPhoto chemically
-
Answer added to:7 Can anyone tell me how to cleave a Boc group in basic conditions, as my molecule has acid sensitive functional group?If your molecule is stable enough, you can perform your Boc deprotection just with water @ 100°C. (DOI: 10.1039/B910239F)
-
Answer added to:4 Does anyone know how to synthesize cyclen (Cas NO.:294-90-6)?Well, there there's another method analogue to that which you reported
-
Answer added to:10 What is the best method for the cleavage of PhOMe to form PhOH?HBr 50% aq.
-
Answer added to:4 How do you purify standard napthoquinone to high purity?I did solid supported Dötz benzannulation and oxidative cleavage to obtained pure 2,3-disubstituted-1,4-naphthoquinones.
-
Answer added to:6 How to remove dicyclohexylurea without column separation from the "DCC + Amine + Carboxylate -> Amide" condensation reaction.You can also try acetonitrile as solvent for the amide. The DCU is quite persistent but if you can do the next reactions the urea will gradually disap... [more]
-
Answer added to:5 Which nitrates first toluene or phenols, and why?phenol,bcoz phenol contains strongly activating hydroxy group than toluene which contain weak activating methyl group.
-
Answer added to:6 Are there any model reactions, which by applying them, we can judge the active sites of catalysts to be acidic or basic?Dear Apurba Sinhamahapatra , Sorry i don't agree that , Bronsted Basic and Lewis Basic sites this concept only for the acid sites. there are catalysis... [more]
-
Answer added to:3 How to synthesize tosylated PEG6000(average Mw=6000)?I tried to tosylate PGE2000 some time ago and succeeded. I used 3.5 eq of TSCl, 3.5 eq of base and let the reaction go for >24 hrs. I got quantitative... [more]
-
Answer added to:7 Glycerol derivatives as additives for fuelsYou can see also Journal of Molecular Catalysis A 367 (2013) 69-76
-
Answer added to:3 There is an lk approach in oxidative coupling of enolates. Does anybody know what "lk" means?Please check this article: Stereoselective coupling of ketone and carboxylate enolates Aurelio G. Csákÿ and Joaquín Plumet Chem. Soc. Rev., 2001,3... [more]
-
Answer added to:17 Methylsulfinyl and methylsulfonyl groups : how effective are these leaving groups?It depends on what substrate. Both use the changing valence of sulfur to leave and also may work under hydrolytic conditions. Sometimes you cannot use... [more]
-
Answer added to:8 Can we deprotonate hydroxyl group of mandelic or salicylic acid?NaH should do the trick.
-
Answer added to:8 I need a simple chemical test to differentiate between ethanol and isopropanol.thanks all for your helpful answers ......... I need this test for the undergraduate students in the lab so I need a simple and rapid test ......... ... [more]
-
Answer added to:21 How to remove CTAB from nanoparticles?By dialysis process against water, the CTAB molecules can be removed from the nanoparticles reaction medium. after attaining the equilibrium the amoun... [more]
-
Answer added to:4 How to remove polyethyleneglycol(PEG) 600 from reaction mixture?Best way to separate is add water to your reaction mixture and through binary separation you will get out of PEG from your reaction mixture.
About Organic Chemistry
Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, composition, reactions, preparation, and synthesis of carbon-based compounds, hydrocarbons, and their derivatives.
