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pro vyhledávání: '"Dana Philip Simmons"'
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 48:25-30
The natural products avemectin B1a1a and B1b1b were each site-specifically 14C labelled at carbon 23 in a convergent synthesis for metabolism, residue, and environmental studies. The 12-step radiosynthesis involved a stereoselective aldol condensatio
Publikováno v:
Helvetica Chimica Acta. 87:2662-2684
Only one out of the four possible trans isomers of the important perfumery alcohol Norlimbanol® (1) possesses a very strong amber-woody smell, the isomer 1A with (1′R,3S,6′S) absolute configuration. Its enantiomer 1B is almost odorless and devoi