Building Blocks for the Construction of Large Chloro-Functionalized, Hexagonal Oligophenylene Cycles

✍ Scribed by Volker Hensel; A. Dieter Schlüter

• Publisher: John Wiley and Sons
• Year: 1999
• Tongue: English
• Weight: 165 KB
• Volume: 1999
• Category: Article
• ISSN: 1434-193X
• DOI: 10.1002/(sici)1099-0690(199902)1999:2<451::aid-ejoc451>3.0.co;2-a

✦ Synopsis

The synthesis of a variety of kinked oligophenylene building step. The building blocks also carry chloro-substituents which are unaffected by all transformations. For one of the blocks is described. The synthetic strategy is repetitive, utilizes the Suzuki cross-coupling protocol, and involves large building blocks it is shown that it actually can be cyclized into an oligophenylene macrocycle with a chloro-potentially bifunctional building blocks (modules) which carry one functional group for coupling and one group which substituent at each corner and a pair of hexyl chains at each side. serves as place holder. After the coupling, the placeholder is converted into a coupling functionality for the next growth (Scheme 1), (b) two "para" chlorine atoms and a pair of The cyclization was done using the "half-ring" 26 as pre-