Deuterium exchange of pyrrolic NH protons accelerated by fluoride and bicarbonate in CDCl3, CD3CN, and DMSO-d6
Nam Jung Heo, Ju Hyun Oh, Jonathan L. Sessler, Sung Kuk Kim
Organic Chemistry Frontiers
초록
Contacting calix[4]pyrrole anion receptors with F − and HCO 3 − salts prompts deuterium exchange of the NH protons in the three nominally aprotic deuterated solvents such as DMSO- d 6 , CD 3 CN and CDCl 3 .