By G.R. Newkome
The sequence Advances in Dendritic Macromolecules goals to hide the artificial, 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 development method of dendrimers, then relate their three-d architectures to varied block polymers. In bankruptcy 2, Moors and Vögtle describe Professor Vögtle's preliminary cascade molecules through the repetitive method, then extend his unique innovations of its program by way of others, and finally delineate the synthesis of a brand new sequence of tosylamide cascades. additionally they exhibit the software of his unique Michael addition/reduction strategy by way 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 response to ammonium and phosphonium facilities. In bankruptcy four, Mathias and Carothers assessment contemporary reviews on silicon-based dendrimers and hyperbranched polymers. bankruptcy five, via Kim, describes the guidance and software of hyperbranched fragrant polymers. finally in bankruptcy 6, Escamilla reports the ancient in addition to fresh examples of ionic and nonionic bolaamphiphiles.
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Extra info for Advances in Dendritic Macromolecules, Volume 2
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. INTRODUCTION A. Repetitive Synthesis II. TOSYLAMIDE CASCADES A. Divergent Synthetic Strategy B.
Vll. PHYSICAL PROPERTIES OF DENDRITIC MACROMOLECULES One of the principal reasons for studying dendritic macromolecules is to investigate the new and improved properties resulting from the unique three-dimensional architecture of these materials. Thisfieldof study has lagged significantly behind the synthetic endeavors, since the majority of papers has been devoted to the synthesis and characterization of dendritic macromolecules. However, the proportion of work studying physical properties is growing and is likely to become a key area of research in years to come.
The resemblance to the controlled microenvironments of some enzyme-active sites is tantalizing offering a number of unique opportunities and applications. ^ fe^4 V ^ , o-^:^ •oor^^o ^^^A 'teC ^ (0 X Z H ^^a)66®' " I ffi in 6 28 I The Convergent-Growth Approach 29 ayu" • • • E • 380- • E E 5 • c o o < • • 3 • • 370- • • 11 360- 1" 1 • toluene as solvent • CCI4 as solvent 1 1 1 1 Generation Number Figure 7. Plot of absorption maximum (nm) versus generation number with CCI4 and toluene as solvent.
Advances in Dendritic Macromolecules, Volume 2 by G.R. Newkome