Помогите, пожалуйста, достать статью:
N-Benzyl Pyridinium Salts as New Useful Catalysts for Transformation of Epoxides to Cyclic Acetals, Orthoesters, and Orthocarbonates
Sang-Bong Lee, Toshikazu Takata and Takeshi Endo
Chemistry Letters
Vol. 19 (1990) , No. 11 p.2019
- DOI:
http://dx.doi.org/10.1246/cl.1990.2019