ChemInform Abstract: Synthesis, Encapsul
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Rene Csuk; Alexander Barthel; Ronny Sczepek; Bianka Siewert; Stefan Schwarz
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Article
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2011
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John Wiley and Sons
β 43 KB
π 1 views
## Abstract A series of new betulin derivatives of type (VII) and (IX) is prepared by 1,3βdipolar cycloaddition reactions of azides to the corresponding ethynyl precursors such as (V).