Prodotti della ricerca

 
Titolo: UV-Visible, IR and 13C NMR studies on C.T.-complexes between some thiohydantoins and molecular diiodine.
Autori: 
Data di pubblicazione: 1994
Rivista: 
HETEROATOM CHEMISTRY  
Citazione: UV-Visible, IR and 13C NMR studies on C.T.-complexes between some thiohydantoins and molecular diiodine. / CRISTIANI F.; DEVILLANOVA F.A.; GARAU A.; ISAIA F.; LIPPOLIS V; VERANI G.. - In: HETEROATOM CHEMISTRY. - ISSN 1042-7163. - 5:1(1994), pp. 65-71.
Abstract: The reaction of some 5,5-dimethyl-2-thiohydantoin derivatives RNC(Me)2CXNR'CS (X = O, S; R, R' = H, Me) with molecular diiodine has been studied in CH2Cl2 solution by different spectroscopic techniques. The formation constants (K) of the 1:1 molecular adducts and their thermodynamic parameters have been measured by UV-visible spectroscopy. The results allow us to point out the different donor properties of C(2) = S thioketonic sulfur between the two series of compounds (X = O, S) and the influence of N(1) and N(3) methylation on the K's. From the analysis of the v(NH) frequencies, it has been possible to show hydrogen bond interactions between the NH's and the S-bonded iodine; this seems to be an important factor in determining the K values.
Handle: http://hdl.handle.net/11584/105062
Tipologia:1.1 Articolo in rivista

File in questo prodotto:
Non ci sono file associati a questo prodotto.
credits unica.it | accessibilità Università degli Studi di Cagliari
C.F.: 80019600925 - P.I.: 00443370929
note legali | privacy

Nascondi la toolbar