Table 3: Copolymerization between DMP and DHNs with CuCl(OH)-TMEDA.

RunComonomerFeed ratioYieldUnit ratio
DMP : DHN derivative(%)aDMP : DHNb()c

1MeDHN50 : 506
2MeDHN70 : 301196 : 4
32,7-DHN50 : 503487 : 1310.0 (2.0)
4MDHNAd70 : 309658 : 4210.8 (1.6)

Conditions: [monomers]/[Cu] = 10/1, solvent = THF, time = 24 h, temp. = r.t., and O2 atmosphere.
aMeOH-insoluble part of the products after phenylacetylation.
bDetermined by 1H NMR analysis (CDCl3).
cDetermined by SEC (THF, polystyrene standard).
dSolvent = DCM-MeOH (7/1, v/v).