Etude de la décomposition thermique d'azido dithiényl-1,2 éthènes et éthanes |
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Authors: | Michel Farnier Michle Brost Bernard Hanquet Roger Guilard |
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Institution: | Michel Farnier,Michèle Brost,Bernard Hanquet,Roger Guilard |
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Abstract: | Thermal decomposition of azido-1,2-dithienylethenes 1 gave thienyl 4H-thieno3,2-b]pyrroles 3 . For the 3,4-disubstituted thiophene derivatives 2 , the same reaction led to the amino-1,2-dithienylethenes 4 . In contrast, only azido-1,2-dithienylethanes 7 led to thienyl-5,6-dihydro-4H-thieno3,4-b]pyrroles 8 . The structure of the obtained derivatives was established on the basis of 1H nmr, ir, and mass spectral data. |
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