Synthesis and Characterization of a High Molecular Weight Stiff Dendrimer | Zendy

Xu Zhifu | Zendy; Moore Jeffrey S. | Zendy

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Synthesis and Characterization of a High Molecular Weight Stiff Dendrimer

Author(s) -

Xu Zhifu,

Moore Jeffrey S.

Publication year - 1993

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199302461

Subject(s) - dendrimer , yield (engineering) , benzene , monomer , elemental analysis , pentane , chemistry , catalysis , characterization (materials science) , carbon 13 nmr , polymer chemistry , materials science , organic chemistry , nanotechnology , polymer , composite material

94 Monomeric units make up 1 , the largest pure hydrocarbon yet characterized (C 1134 H 1146 ). The compound which, thanks to its di‐ tert ‐butyl‐phenyl groups, is extremely soluble in pentane (!) was obtained from the monodendron precursor and triiodobenzene with a Pd catalyst in 37% yield. Elemental analysis and 1 H NMR spectra clearly prove its structure. The benzene rings are shown as filled circles; the lines in between represent CC units.

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