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. Author manuscript; available in PMC: 2012 Aug 17.
Published in final edited form as: ACS Chem Neurosci. 2011 Aug 17;2(8):411–432. doi: 10.1021/cn2000266

Scheme 18.

Scheme 18

a(i) 2-methoxybenzoyl chloride or 3-chlorobenzoyl chloride, DIEA, DMAP, DMF, 64–89% (ii) H2, Raney nickel, EtOH, EtOAc, 89–94% (iii) R2COCl, PS-DMAP, PS-DIEA, then PS-isocyanate and PS-trisamine