The rα-structure of thieno[2,3-b] thiophene. A 1H-NMR study in a nematic phase including 13C-satellites in natural abundance

1984 ◽  
Vol 118 (3-4) ◽  
pp. 345-350 ◽  
Author(s):  
J.P. Jacobsen ◽  
C.H. Hansen
1992 ◽  
Vol 65 (3) ◽  
pp. 906-908
Author(s):  
Atsuko Tomishima ◽  
Yutaka Takakura ◽  
Yukihiro Yokoyama ◽  
Katsuhiro Saito ◽  
Kensuke Takahashi
Keyword(s):  
1H Nmr ◽  

2004 ◽  
Vol 114 ◽  
pp. 377-378 ◽  
Author(s):  
Y. Shimizu ◽  
K. Miyagawa ◽  
K. Oda ◽  
K. Kanoda ◽  
M. Maesato ◽  
...  

1991 ◽  
Vol 56 (7) ◽  
pp. 1505-1511 ◽  
Author(s):  
Antonín Lyčka ◽  
Karel Palát
Keyword(s):  
1H Nmr ◽  
H Nmr ◽  

The 15N, 13C, and 1H NMR spectra of the reaction products from arylguanidines with two mols of chloroformate esters have been measured. With application of the corresponding 15N isotopomer it has been proved that the reaction products have the structures IIIa-IIIc.


1993 ◽  
Vol 268 (6) ◽  
pp. 3944-3951
Author(s):  
E. Trotta ◽  
E. D'Ambrosio ◽  
N. Del Grosso ◽  
G. Ravagnan ◽  
M. Cirilli ◽  
...  

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