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. Author manuscript; available in PMC: 2009 Jun 29.
Published in final edited form as: J Am Chem Soc. 2007 Nov 17;129(49):15156–15163. doi: 10.1021/ja072999x

Scheme 2.

Scheme 2

a a Reagents and conditions: (a) CuSO4, sodium ascorbate, methanol/H2O (1:1 v/v), ambient temperature; (b) N-(ethyl)-2-pyridylmethanimide, Cu(I) Br, rhodamine B methacrylate 9, initiator 8, CH3OH/H2O 5:2 (v/v), ambient temperature; (c) toluene reflux, 18 h; (d) N-(ethyl)-2-pyridylmethanimide, Cu(I) Br, initiator 8, rhodamine B methacrylate 9, toluene, 30 °C; (e) TBAF·3H2O, THF, 0 °C to ambient temperature, 12 h; (f) (i) 1, (PPh3)3CuBr, Et3N, DMSO, ambient temperature, 2 days; (ii) toluene reflux, 18 h.