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15 in terms of improved yield as well as its facileness.
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11444256102
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The proton NMR spectra of all the monomers are available in the Supporting Information.
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This value was determined for the starting cyclohexanedimethanol and is assumed to be the same in the case of the polymer.
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36
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11444258950
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note
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The extent of cyclization could increase with increasing spacer length and flexibility. Since topological constraints in hyperbranched structures impose a maximum of one cyclization per polymer molecule, its effect on the chain conformation might be expected to be very limited.
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11444253888
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note
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The molecular weights and PDI's of various fractionated samples are tabulated in the Supporting Information.
-
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-
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46
-
-
11444250512
-
-
note
-
In the case of HP-C2, wherein the DB is reflected in the aromatic methyl region, one sees little change in the relative intensities of the various peaks for different molecular weight fractions. The NMR spectra of three representative fractions are available in the Supporting Information.
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47
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11444267084
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See Figure 5 in ref 9b
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See Figure 5 in ref 9b.
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49
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11444256608
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g, value of only ca. 30°C.
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