Synthesis of a thiophene-fused isoindigo derivative: a potential building block for organic semiconductors
β Scribed by Zhao, Na; Qiu, Li; Wang, Xiao; An, Zengjian; Wan, Xiaobo
- Book ID
- 121483399
- Publisher
- Elsevier Science
- Year
- 2014
- Tongue
- French
- Weight
- 793 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
The first stereoselective synthesis of a trans-threo-trans-threo-trans terpyrrolidine was achieved. A bidirectional strategy involving double acetylide coupling of two trans-N-BOCpyrrolidine-aldehydes 3, epimerisation-free hydrogenation and ring closure via a seven-membered cyclic sulfate gives acce
**A substantial enhancement of thermal stability**, volatility, and electron affinity, switching the semiconducting behavior from pβ to nβtype, is achieved by fluoroalkyl substitution of thiophene oligomers (see Figure). When this novel series is compared with the fluorineβfree analogues, trends in