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Dendritic Mixed Hexakisadducts of C60 with a Th Symmetrical Addition Pattern

✍ Scribed by Andrea Herzog; Andreas Hirsch; Otto Vostrowsky

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
517 KB
Volume
2000
Category
Article
ISSN
1434-193X

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✦ Synopsis

The synthesis and complete characterization of dendritic bromomalonate dendra 1-3 consisting of the corresponding Fre Β΄chet-type 3,5-dihydroxybenzyl alcohol subunits. This hexakisadducts 8-13 of C 60 with a mixed (1:5, 2:4, 3:3 and4:2) T h symmetrical addition pattern is described. Pentakis-, concept allows for the convergent synthesis of globular dendrimers with a variable number of dendritic malonates tetrakis-, tris-and bisadducts 4-7 of C 60 with diethyl malonate addends arranged in an incomplete octahedral (1-4) and a high dendron density in good yields. The 1 H and 13 C NMR spectra reflect the T h symmetrical addition pattern addition pattern served as core building blocks. Completion of the pseudo-octahedral architecture was achieved by of the products and reveal spatial interactions of inner dendron branches. exhaustive cyclopropanation with first-to third-generation

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