Synthesis and chiroptical properties of chiral azoaromatic dendrimers with a C3-symmetrical core
β Scribed by Luigi Angiolini; Tiziana Benelli; Loris Giorgini
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 221 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0899-0042
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π SIMILAR VOLUMES
By use of an asymmetric Ullmann coupling involving chiral naphthalene oxazolines 1, the title compounds were prepared in good yields and with high diastereoselectivity. Hydrolysis of the binaphthyl oxazolines 2 led to the di-aldehydes 5, which were transformed into the azepine derivative, 6. The lat
Chiral polyaromatic amide dendrimers incorporating a C 3 -core have been prepared as potential catalysts for asymmetric reactions.
Photoresponsive polyphenylene dendrimers trans-1 and 2 were synthesized for the first time, and their photochemical reaction as well as excited state properties were studied. trans-1 and 2 exhibited fluorescence emission with considerably high quantum efficiency. Furthermore, they underwent photoche