Macromolecular isomers of azobenzene-containing photochromic dendrimers

被引：0
|
作者：
Li, Sheng [1 ]
McGrath, Dominic V. [1 ]
机构：
[1] Department of Chemistry, University of Arizona, Tucson, AZ 85721, United States
来源：
American Chemical Society, Polymer Preprints, Division of Polymer Chemistry | 2000年 / 41卷 / 01期
关键词：
Aromatic hydrocarbons - Isomers - Photochromism - Physical properties - Synthesis (chemical);
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摘要：
Second generation dendrimer 2 with single azobenzene moieties attached to the periphery of each dendron is prepared by using protection-deprotection methodology. This modified convergent method using key intermediates methyl 3-benzyloxy-5-hydroxybenzoate (4) and methyl 3-allyloxy-5-hydroxybenzoate (8) is used widely in precise dendrimer synthesis. Preparation of higher generation of dendrimers with only one azobenzene moiety in the exterior of each dendron is ongoing. The complete comparison of physical properties between the two types of dendrimers 1 and 2 is investigated.
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页码：861 / 862
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