Some Substituted 2,2'-Bithiophenes.
✍ Scribed by Miller, Kenneth E.
- Book ID
- 126150785
- Publisher
- American Chemical Society
- Year
- 1963
- Tongue
- English
- Weight
- 103 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0021-9568
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract The syntheses of polyethynyl‐substituted 2,2′‐bithiophenes 2 and related 5,5′‐dicarbaldehyde derivatives 1 are described. The treatment of easily available polybrominated 2,2′‐bithiophenes 3 and 2,2′‐bithiophene‐5,5′‐dicarbaldehydes 4 with phenyl or (trimethylsilyl)acetylene in the pres
## Abstract A new synthetic route to 4‐substituted‐2,2′‐bithiophenes has been developed utilizing 4‐bromo‐2,2′‐bithiophene (1). Formation of the bithienyllithium adduct __via__ halogen‐metal exchange was found to be problematic and resulted in complex mixtures of products. The Grignard reagent of 1