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. Author manuscript; available in PMC: 2014 Mar 21.
Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2013 Mar 7;117(11):5599–5609. doi: 10.1021/jp312166w

Scheme 2.

Scheme 2

Synthesis of BOPEG1 and BOPEG2.

a) Tos–CI, NEt3; b) NaN3, MeOH; c) PPh3, THF, H2O; d) tBuOH, DCC, DMAp; e) 1. TFA; 2. p-chloranil; 3. BF3•OEt2, NEt3; f) NHS,EDC, DMF; g) 4, NEt3, DCM.