Organic Chemistry

Hey guys, for my final year organometallic module, I need to make a poster on some current organometallic research. I'm thinking either CO2/epoxide copolymerisation or CO2 convertion to CO for use as syngas. Has anyone got any other ideas?

Hey everybody, I'm an undergraduate organic chemistry student at FAU, and part of my research is new experimental methods. All that's fine, but my problem is much more basic at the moment. I'm doing a basic Wittig reaction to produce stilbenes, and the reaction is essentially thus: Dissolve a small mass of benzyltriphenylphosphonium chloride in methylene chloride, add in a catalytic amount of solid sodium hydroxide (there is a color change to bright yellow/orange), stir, and then over time add a stoichiometric amount of benzaldehyde. The reaction takes 15-30 minutes as the color fades away, and the products are cis- and trans- stilbenes. My problem is that I k…

I have a question about this synthesis problem. I am unable to find a way to solve this. 2 Benzyl Bromide -> trans-1,2 diphenylethylene Hope the picture works This is in the chapter of Alcohols from a introductory organic chemistry book. There seems to be no limit into what reagents I am allowed to use but I'm sure most of it will be Orgo 1 reagents (grignard, E1, E2, dehydrogenation)

I have a project that is on a final stage, which is the calculation of energy for a certain reaction. The problem that i accounted for was that which energy is the one that is needed to be counted for a chemical reaction? Bond Dissociation Energy? Enthalpies of formation or any other kind of enthalpies? And how to convert those energies for 1 mole of reaction into Watts that needed to give out for the reaction to go? If you have any ideas please share, thank you.

hey all! im in a fix.plz help me out,it says in the lippincot textbook of biochem that carbohydrates with an aldehyde as the most oxidised functional group are called aldehydes...what does that mean"most oxidized group'??the one with the most bonds??

what's the difference between "commercially sterile" and "axenic"?

hey! i am doing M.S. (med chem) and have to give a seminar on some topic related to organic chemistry. so please could somebody suggest me a good recent topic........ seminar would be for approx 20 min thanks.............!

I really need help on figure out 15-20. Thanks for helping.

Are there any suppliers which sell fluorescent dyes, such as fluorescein, rhodamine, oregon green etc in large bulk volume, such as 1-2Litre bottles? Many thanks in advance.

How would one convert pure caffeine anhydrous to an hcl salt?

As part if our research project work we had to synthesize m-nitro acetophenon. we used acetophenon and nitrated it with nitrateing mixture the product m-nitro acetophenon which we optained is a sticky mass it is some what oily we repeatedly washed the mass and also recrystallized it in ethanol but we are unable to get rid of the stickyness an not able to get crystals, it still forms lumps or sticky mass please help me out project has come to a stand still please suggest a technique to purify this compound. i am an under graduate student and working with minimum lab facilities.

Hi everyone, I'm a graphic design student currently in the final year of my degree and I'm doing some research into the problem of public urination. One of my initial ideas was to use collected urine for perhaps fertiliser, but I was wondering if anybody could help me come up with any ideas. Any help would be most welcome... as you might have guessed I'm a layman, I don't even know if 'Organic Chemistry' is the right category for this... Hoping you can help, Rob.

http://ilearn.ucr.edu/courses/1/CHEM_112C_001_09F/content/_1180425_1/steroid%20question,%20112c.pdf?bsession=101363362&bsession_str=session_id=101363362,user_id_pk1=104605,user_id_sos_id_pk2=1,one_time_token=

Is there a reagent that would detect urine in about 1/2 gallon of fresh water? Thanks so much for any help or guidance you could provide

In this case there are more beta form (~64%) than alpha form (~36%), yet through anomeric effect the alpha form should be preferred with its anomeric hydroxyl group in axial conformation. So is this a counterargument or there are some other reasons?

I learned that all the plastics which is made up of 'addition polymerization' are thermoplastic while most of the plastics which consist of 'condensation polymerization' are thermosetting resin except the polyethylene terephthalate. My question is "Why is the Tetrafluoroethylene thermosetting resin?" I would appreciate if you let me know the answer.

I was wondering that if we used con.sulphuric acid on the endo-norbornen-cis-5,6-dicarboxylic acid, would it undergo dehydration? Is it even possible at all? any comments are appreciated.

I'm looking at the transition state for an SN2 reaction mechanism. The reaction is 2-bromooctane + OH- ----> 2-octanol + Br- So, how exactly is the transition state sp2? I thought sp2 only had three bonds at most? What's going on?

Hi, everyone please help me stacking several spectras in the same windows of MestRec. it is better to teach me how to use this software.

Let's say I take a substance and put it in a mass spectrometer. I don't know what the substance is, so I want to know about its mass. Well, is there any chance something could go horribly wrong, such as the compound exploding? What procedures do forensic scientists undergo before putting an unknown substance into a mass spectrometer?

Hi all, I was struggling in solving this question which is a part of practice exam , and I need you to be patient with me and teach me step by step how to figure out the structure and how to read and analyze the spectra. I attached the two 1H NMR & IR spectra so you will be able to know what structure I'm talking about. I started with finding the saturation number which is 5 so I know that at least I have aromatic ring and double bond(s) I predicted the compound to have an ester but I'm not sur. please help me to know what is this structure. The molecular formula is C8H8O2 and all the peaks and ppm readings are in the attached figures. …

good evening ...... yesterday when i was i reading a book of stereochemistry by Eliel few ques. ( may be foolish ) came to my mind ......... is their any relation between degree of optical rotation of a molecule and its various unstable conformations ( not configuration) ?????........how can we say that these particular molecule rotate plane polarized light to any specific degrees ????? we normally calculate optical rotation of a solution i.e a collection of molecules ...... why don't we look for optical rotation of a single molecule ?????? if the degree of optical rotation is related with conformations of molecule then there may be possibility that in a single…

electrolysis of saliva , the other day i just thought what would happen if you where to do this . I worked out you would get Oxygen and Hydrogen but having little to no experience with anything to do with saliva i have no idea.

Hello everyone (This is my first post here) I'm a PhD student (More Info) and I need a method to extract the produced lipase from an effluent. This lipase is from Y. lipolytica or C. cylindracea. I found lots of methods on the Internet and articles/papers but I want something really simple/rudimentary that doesn’t significantly modify the medium were lipase was produced. Could you please help me? Thank you all…

i read somewhere that when (dilute?) acid is added to chlorophyll, the magnesium ion is removed. but it doe snot go into detail and i cannot find it anywhere else. can someone tell me which acids this is and explain the mechanism and/or provide and equation please?