[1]JournalfurpraktischeChemie(Leipzig1954),1959,vol.<4>8,p.339,342
[1]Tetrahedron,1988,vol.44,p.6515-6524
[1]TetrahedronLetters,1980,vol.21,p.763-766
[1]ChemicalandPharmaceuticalBulletin,1985,vol.33,p.4865-4869
[1]ChemischeBerichte,1983,vol.116,p.2037-2040