гетероцйклз спасибо !!!

[Cherep]

Klaus Burger,* Michael Kluge, Beate Koksch, Susanna Fehn, Christoph Böttcher, Lothar Henning, and Gerhared Müller
Hexafluoroactone as Protecting and Activating Reagent: A New Approach to O-Glycosides

Vol 64, No. 1, 2004, pp.143-152

DOI:

http://dx.doi.org/10.3987/COM-04-S(P)6

заранее спасибо!

[FIN1]