. Author manuscript; available in PMC: 2016 Jun 3.

Published in final edited form as: Tetrahedron Lett. 2015 Jun 3;56(23):3314–3317. doi: 10.1016/j.tetlet.2015.01.019

Table 1. HIV-1 Protease Inhibitory Activity of compounds.

Entry	Inhibitor	K_i (nM)
1		0.014
2		0.006
3		1.39
4		1.43
	(Darunavir displayed K_i = 0.016 nM in this assay)