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Synthesis of MG-B-Tau 1 Reagents and conditions: (a) Fmoc-Lys(Boc)-OSu, DIEA, CH2Cl2, rt, overnight; 81%(b) CHCl3/20% piperidine, rt; 79% (c) 8 CHCl3, DIEA, 60 %; (d) 1N HCl, rt, overnight; (e) 8, DMF, DIEA, rt (f) CH3CN, tetrachlorobenzoquinone 1 hr reflux, combined yield d,e,f 15%.
