Synthesis, X-Ray Structure Analysis and Topochemical Photopolymerization of 2,5-Dimethoxyphenyl- and Quinone-substituted Octa-3,5-diynes
β Scribed by Hermann Irngartinger; Markus Skipinski
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- French
- Weight
- 271 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0040-4020
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The 1,6-bis(2,5-dimethoxyphenyl)hexa-2,4-diynes 4a-c were hexa-2,4-diyne unit is observed, with the 1,6-diphenyl substituents arranged in a coplanar orientation. According to obtained from the corresponding 2,5-dimethoxybenzenes 1 by bromination followed by a copper-catalyzed Grignard the crystal st
## Abstract magnified image 5βAzidoβ2βmethoxyβ1,3βxylylβ18βcrownβ5 has been prepared by reacting __p__βtoluenesulfonyl azide with the carbanion generated from the reaction of 5βbromoβ2βmethoxyβ1,3βxylylβ18βcrownβ5 with __n__βbutyl lithium. The asymmetric N~3~ stretch of this product has been obser