[1]Djerassi;Scholz[JournalofOrganicChemistry,1950,vol.15,p.694,695,698]
[1]Julia[BulletindelaSocieteChimiquedeFrance,1956,p.1365]
[2]Grochowski,E.;Eckstein,Z.[Bulletindel'AcademiePolonaisedesSciences,SeriedesSciencesChimiques,1963,vol.11,#8,p.443-446]Bomben,Andrea;Marques,CarlosA.;Selva,Maurizio;Tundo,Pietro[Tetrahedron,1995,vol.51,#42,p.11573-11580]
[1]Grochowski,E.;Eckstein,Z.[Bulletindel'AcademiePolonaisedesSciences,SeriedesSciencesChimiques,1963,vol.11,#8,p.443-446]
[1]Bomben,Andrea;Marques,CarlosA.;Selva,Maurizio;Tundo,Pietro[Tetrahedron,1995,vol.51,#42,p.11573-11580]
[1]Bernard;Cocco;Congiu;Onnis;Piras[Synthesis,1998,#3,p.317-324]