CONFORMATIONAL PROPERTIES OF 3,3'-, 3,4'- AND 4,4'-DIMETHYL- AND -BIS(METHYLSULFANYL)-2,2'-BITHIOPHENES

被引:20
作者
BARBARELLA, G
ZAMBIANCHI, M
ANTOLINI, L
FOLLI, U
GOLDONI, F
IAROSSI, D
SCHENETTI, L
BONGINI, A
机构
[1] UNIV MODENA, DIPARTIMENTO CHIM, I-41100 MODENA, ITALY
[2] UNIV BOLOGNA, DIPARTIMENTO CHIM G CIAMICIAN, I-40126 BOLOGNA, ITALY
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1995年 / 10期
关键词
D O I
10.1039/p29950001869
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
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.
引用
收藏
页码:1869 / 1873
页数:5
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