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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Optimization and in vivo evaluations of a series of small, potent, and specific renin inhibitors containing a novel Leu-Val replacement.

Further structure-activity relationships (SAR) for a novel dipeptide series inhibitors are reported. These inhibitors retain the Phe8-His9 portion of angiotensinogen and employ a unique Leu10-Val11 replacement [(LVR), ref 2]. SAR at the Leu10 side chain revealed that the LVR derived from cyclohexylalanine provided a nearly 10-fold boost in potency for the final inhibitor. In addition SAR work was carried out to delineate the relationships between binding potency and (1) the size, shape, and charge of the side chain at the His9 position; (2) the size and topology of the side chain at the Phe8 site; and (3) the size of the Phe8 N-protecting group. One of the more potent inhibitors, 12, was shown to provide a substantial antihypertensive effect in a sodium depleted monkey model when administered intravenously. Metabolism work, in Sprague-Dawley rats, provided insights into the susceptibility of 12 to significant hepatic clearance and provided encouraging evidence for intestinal absorption.[1]

References

  1. Optimization and in vivo evaluations of a series of small, potent, and specific renin inhibitors containing a novel Leu-Val replacement. Dellaria, J.F., Maki, R.G., Bopp, B.A., Cohen, J., Kleinert, H.D., Luly, J.R., Merits, I., Plattner, J.J., Stein, H.H. J. Med. Chem. (1987) [Pubmed]
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