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. 2017 Mar 30;8:162. doi: 10.3389/fphar.2017.00162

FIGURE 3.

FIGURE 3

Preparation of chemical library. Reagent and conditions: (a) MsCl, TEA; ethyl ether, –10°C; (b) NaN3, DMSO, DMF, 150°C; (c) NaOMe, MeOH, r.t.; (d) LiBH4, MeOH dry, THF, 0°C; (e) NH4Cl, Zn, MeOH:H2O (1:0.1); (f) NaOH 5% in MeOH/H2O 1:1 v/v, reflux; (g) pTsCl, pyridine, r.t.; (h) CH3COOK, DMF:H2O (5:1), reflux.