1. SYNTHESIS AND STEREOCHEMISTRY OF SOME NEW 1,3-OXATHIANES OBTAINED FROM 1,4-DIMERCAPTOTHREITOL. Authors: LUMINIŢA MUNTEAN, IOANA GEORGETA GROSU, DORA DEMETER, NICULINA BOGDAN, SORIN MAGER.2. SYNTHESIS AND STEREOCHEMISTRY OF SOME NEW 2,5-POLYSUBSTITUTED –1,3-DIOXANES. Authors: LUMINIŢA MUNTEAN, EUGEN MESAROS, GÉRARD PLÉ, ION GROSU, SORIN MAGER.3. STEREOCHEMISTRY AND NMR SPECTRA OF SOME NEW 5-METHYL-2,2-SUBSTITUTED-1,3-DIOXANES. Authors: LUMINIŢA MUNTEAN, TUROS GYORGY, CRINA SOCACI, ION GROSU, SORIN MAGER.4. SYNTHESIS AND STEREOCHEMISTRY OF SOME SPIRO-1,3-OXATHIANE DERIVATIVES. Authors: LUMINIŢA MUNTEAN, ION GROSU, SORIN MAGER, ALEXANDRINA NAN.5. SYNTHESIS AND STEREOCHEMISTRY OF SOME NEW 2,4,8,10-TETRAOXASPIRO[5.5]UNDECANE DERIVATIVES. Authors: CAMELIA PUÅžCAÅž, CLAUDIA LAR, SORIN MAGER, ELENA BOGDAN, ANAMARIA TEREC, LUMINIÅ¢A DAVID, ION GROSU.