• Sir, I hv proton and C-13 NMR spectra for the compound I isolated, can you please help me out, this is the firt time I isolated a compound. Thanks

    Wednesday, November 10, 2021

  • Dear. thank you for the good compilation i like it so much. i have isolated some compounds and still have little knowledge about structural elucidation. can i send some spetra such that u can help me elucidate some. thanks. even if u tell me just a hint. i will be very happy Dr. thank you so much

    Tuesday, February 18, 2020

  • Dr. T. Thirugnanam: The article has been sent to you by email.

    Thursday, March 28, 2019

  • sir one help, please sent the research paper Y.M zhang, et al., Acta Bot yunnan, 2005,27(1), 107 -110 because research purpose.

    Sunday, March 24, 2019

  • Dear Funsho Oyetunde: please send original NMR files to my email address --

    Saturday, January 26, 2019

  • Dear colleague from Australia: This signal should be assigned as water peak in CDCl3.

    Friday, November 30, 2018

  • Hi..Dear Nawal I am phd.studant plz could you help with my spectra analysis. i have H-nmr and c13 for my compound the same lupeol but i have one peak at 1.56(s) (2 ch3) this peak not the same lupeol? plz help me if you dont mind thank you so much

    Friday, November 2, 2018

  • Hello, Just went through your profile, such a rich profile you got.Please could you help with my spectra analysis

    Wednesday, October 17, 2018

  • Dear colleague from Colombia: I'm pleased to share these spectra with you.

    Sunday, September 25, 2016

  • Dear colleague: Please let me use your nmr spectra for educational purposes

    Sunday, September 25, 2016