The X-ray structures of 4,4'-dibromo-2,2'-bithiophene 1, 3,3'-dibromo-2,2'-bithiophene 2 and 3,3',5,5'-tetrabromo-2,2'-bithiophene 3 are rweported. The tail-to-tail dimer 1 is found in an anti planar conformation whereas a large distortion is present in the two head-to-head bithiophenes 2 and 3. These bromo derivatives are model compounds for structural studies on poly(3-bromothiophene).
Crystal structure of head-to-head and tail-to-tail beta,beta '-dibromo-substituted bithiophenes as model compounds for poly(3-bromothiophene) / Antolini, Luciano; Folli, Ugo; F., Goldoni; Iarossi, Dario; Mucci, Adele; Schenetti, Luisa. - In: ACTA POLYMERICA. - ISSN 0323-7648. - STAMPA. - 49:(1998), pp. 248-251.
Crystal structure of head-to-head and tail-to-tail beta,beta '-dibromo-substituted bithiophenes as model compounds for poly(3-bromothiophene)
ANTOLINI, Luciano;FOLLI, Ugo;IAROSSI, Dario;MUCCI, Adele;SCHENETTI, Luisa
1998
Abstract
The X-ray structures of 4,4'-dibromo-2,2'-bithiophene 1, 3,3'-dibromo-2,2'-bithiophene 2 and 3,3',5,5'-tetrabromo-2,2'-bithiophene 3 are rweported. The tail-to-tail dimer 1 is found in an anti planar conformation whereas a large distortion is present in the two head-to-head bithiophenes 2 and 3. These bromo derivatives are model compounds for structural studies on poly(3-bromothiophene).
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