Hi,

structural compound elucidation might/might not take time depends on:

1) the reported information/data esp the spectroscopic data on the plant/subject under study. If yes, you can use those data as a basis of finding the possible similar structure or similar group of compounds.

2) how good are the spectra that you have. If your compound is pure, the obtained spectra should be good. If not, probably there are impurities in your sample which might give noises/ghosts/unwanted signals/peaks. Check the intensity and resolution of the signals. What are the 2D NMR that you have acquired? COSY, HSQC, HMBC?

3) is there any stereochemistry involves in the structure? If yes, you might need extra information e.g. NOESY, CD or make chemical confirmation.

4) other than IR, do you have mass for the compound?

When you have positively answered these questions, then sit down and start making a table of the data starting with 1D, then correlations of C-H by 2D, while having the other spectroscopic data (IR and MS) in hands so that you can use them to make a sound conclusion.

GOOD LUCK! U SURE NEED THIS :)

What is the class of compound do you have??

Mr. Ahuchaogu,

Before any other analyses mebtioned in your posting you should have information about the elemental composition. So, what is the elemental composition of your compound?

Can you post the spectra and the nature of the compound?

I think Mass data is important. You can elucidate the molecular fomular from 13C NMR which should match the Mass data. Then you can research this formular in reaxys database, find the similar structure and modify it according your NMR data.