By G.R. Newkome

The sequence Advances in Dendritic Macromolecules goals to hide the substitute, in addition to chemical, facets of this increasing box: the chemistry to and supramolecular chemistry of dendritic or cascade supermolecular compounds.In bankruptcy 1 of this quantity, Hawker and Wooley delineate the convergent progress method of dendrimers, then relate their 3-dimensional architectures to diversified block polymers. In bankruptcy 2, Moors and Vögtle describe Professor Vögtle's preliminary cascade molecules through the repetitive procedure, then extend his unique ideas of its program by means of others, and finally delineate the synthesis of a brand new sequence of tosylamide cascades. additionally they show the application of his unique Michael addition/reduction technique by means of its software to vary cores. bankruptcy three, composed by way of Professor Engel, describes ionic dendrimers which integrated an inner transition steel heart in addition to his paintings in accordance with ammonium and phosphonium facilities. In bankruptcy four, Mathias and Carothers assessment fresh stories on silicon-based dendrimers and hyperbranched polymers. bankruptcy five, via Kim, describes the education and software of hyperbranched fragrant polymers. finally in bankruptcy 6, Escamilla studies the old in addition to fresh examples of ionic and nonionic bolaamphiphiles.

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Muthukumar, M. Macromolecules 1990, 25, 2280. 41. Miller, T. ; Neenan, T. ; Bair, H. E. J. Am, Chem. Soc. 1992,114, 1018. 42. Wooley, K. ; Fr^chet, J. M. ; Hawker, C. J. Polymer J. 1994,26,187. 43. Wooley, K. ; Hawker, C. ; Pochan, J. ; Fr6chet, J. M. J. Macromolecules 1993, 26,1514. 44. ; White, J. W; Hawker, C. J,; Wooley, K. ; Fr6chet, J. M. J. 7. Phys. Chem. 1993,97, 293. This Page Intentionally Left Blank CASCADE MOLECULES: BUILDING BLOCKS, MULTIPLE FUNCTIONALIZATION, COMPLEXING UNITS, PHOTOSWITCHING Rolf Moors and Fritz VogtIe ABSTRACT I.

Pd/C Br Br 0CH2Ph 0CH2Ph Scheme 2. The repetitive synthesis of Newkome's arborols. CHO ft I I + •^^t^HO Wittig—reaction (H5C2)2P'^C02C2H5 ^ 10 11 12 Scheme 3. Annulene derivatives prepared in a repetitive manner by Vogel. Nature is able to do the same thing through biochemical mechanisms. The way, in which oligo- and polypeptides are built by microorganisms with the help of coenzymes, does not differ principally from that which we use for the synthesis of dendrimers. It also is a circle of retuming reaction steps with the intention of building proteins resulting in biopolymers.

J. J. Am. Chem, Soc. 1990,772, 7638. 15. Newkome, G. ; Baker, G. ; Young, J. ; Traynham, J. G. / Polym. ScL, Polym. Chem. Ed. 1993,31 641. 16. (a) Wooley, K. ; Hawker, C. ; Frechet, J. M. J. J. Am. Chem. Soc. 1991, 775, 4252; (b) Wooley, K. ; Hawker, C. ; Frechet, J. M. J. Submitted for publication. 17. Wooley, K. W; Hawker, C. ; Frechet, J. M. ; Li, C,; Kao, M. J. Am. Chem. Soc. 1993, 775, 9836. 18. Tomalia, D. ; Hedstrand, D. ; Wilson, L. R. ; Wiley: New York, 1990; pp 69-75. 19. (a) Miller, T.

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Advances in Dendritic Macromolecules, Volume 2 by G.R. Newkome
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