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. Author manuscript; available in PMC: 2017 Nov 20.
Published in final edited form as: Bioorg Med Chem Lett. 2014 Oct 28;24(24):5801–5804. doi: 10.1016/j.bmcl.2014.10.026

Table 2.

Scheme 2 Analogues

Compound n Amine
17 0 N-Methylhomopiperazine
18 1 N-Methylhomopiperazine
19 0 N-Benzylhomopiperazine
20 1 N-Benzylhomopiperazine
21 0 N-Methylpiperazine
22 1 N-Methylpiperazine
23 0 Pyrrolidine
24 1 Pyrrolidine
25 0 Morpholine
26 1 Morpholine