Synthesis and Characterization of 2,5-Bis(2-pyridyl)thiophene
✍ Scribed by Al-Taweel, Samir A.
- Book ID
- 115499247
- Publisher
- Taylor and Francis Group
- Year
- 2002
- Tongue
- English
- Weight
- 98 KB
- Volume
- 177
- Category
- Article
- ISSN
- 1042-6507
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## Abstract The acetate salt of 2,5‐__bis__[5‐amidino‐2‐pyridyl]furan‐__d__~2~/^15^__N__~__2__~ (4) was synthesized from 2,5‐__bis__[5‐cyano‐2‐pyridyl]furan‐__d__~2~ (2), through the __bis__‐__O__‐acetoxyamidoxime followed by hydrogenation. Compound 2 was obtained via a Stille coupling reaction of
Both symmetrically and unsymmetrically substituted 2,5-bis-(acetylenic) thiophene derivatives were obtained in good yields under mild conditions through palladium-catalyzed cross coupling reaction of 2,5-bis-(butyltelluro) thiophene 2 and terminal alkynes. The methodology represents a general and ef
In the crystal structure of the title compound, C 18 H 10 N 2 S 3 , the terminal thiophene rings are disordered. This disorder is of a flip-type and has been observed in some other thiophene derivatives. The molecule as a whole is approximately planar; the dihedral angle between the terminal five-me