Hello Mr Wang, I'm 阮方进英, from Vietnam. I suddenly have eyes on your official website. It's really so great! I love more about your photochem NMRs, such as triterpenoids, flavonoids...Thanks so much!
Monday, March 17, 2014
To dear the visitor from AHAU: THANKS FOR YOUR POSITIVE COMMENT (^_^). WANG's reply in LAS VEGAS
Wednesday, November 13, 2013
Sunday, November 10, 2013
Reply to Sunil: The flavonoids trifolin and hyperin belong to flavonol 3-O-galactosides,and the difference is that they possess different aglycones: kaempferol and quercetin, respectively. So the chemical shifts and coupling modes in ring B are obviously different in their 1H-NMR spectra.
Wednesday, February 06, 2013
Dear sir, Thanks for providing nice spectra of flavonoids. May you explain difference between trifolin and hyperin with the help of spectra. waiting for the reply.... Sunil Jawla India
Thursday, January 31, 2013
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Friday, April 06, 2012