The conformational properties of the title compounds, which are the basic head-to-head, head-to-tail and tail-to-tail repeat units of regioregular poly(3-methylthiophenes) and poly[3-(methylsulfanyl)thiophenes], are discussed. The paper reports the X-ray structures of the two 4,4'-derivatives, H-1 NMR NOE data on the 3,4'- and 4,4'-derivatives and force field MM2 calculations of the conformation of the three bis(methylsulfanyl) derivatives.
CONFORMATIONAL PROPERTIES OF 3,3'-, 3,4'- AND 4,4'-DIMETHYL- AND -BIS(METHYLSULFANYL)-2,2'-BITHIOPHENES / Barbarella, G; Zambianchi, M; Antolini, L; Folli, U; Goldoni, F; Iarossi, D; Schenetti, Luisa; Bongini, A.. - In: JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS II. - ISSN 0300-9580. - STAMPA. - 1995:(1995), pp. 1869-1873.
CONFORMATIONAL PROPERTIES OF 3,3'-, 3,4'- AND 4,4'-DIMETHYL- AND -BIS(METHYLSULFANYL)-2,2'-BITHIOPHENES
SCHENETTI, Luisa;
1995
Abstract
The conformational properties of the title compounds, which are the basic head-to-head, head-to-tail and tail-to-tail repeat units of regioregular poly(3-methylthiophenes) and poly[3-(methylsulfanyl)thiophenes], are discussed. The paper reports the X-ray structures of the two 4,4'-derivatives, H-1 NMR NOE data on the 3,4'- and 4,4'-derivatives and force field MM2 calculations of the conformation of the three bis(methylsulfanyl) derivatives.Pubblicazioni consigliate
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