Danilenko, Vitaly M.; Tishkov, Alexander A.; Ioffe, Sema L.; Lyapkalo, Ilya M.; Strelenko, Yury A.; Tartakovsky, Vladimir A.
Synthesis, 2002 , # 5 p. 635 - 647

Fiandanese, V.; Naso, F.; Scilimati, A.
Tetrahedron Letters, 1984 , vol. 25, # 11 p. 1187 - 1190