Discovery of furo[2,3- d ][1,3]thiazinamines as beta amyloid cleaving enzyme-1 (BACE1) inhibitors

Bioorganic & Medicinal Chemistry Letters
2016.0

Abstract

This Letter describes the synthesis and structure-activity relationships of a series of furo[2,3-d][1,3]thiazinamine BACE1 inhibitors. The co-crystal structure of a representative thiazinamine 2e bound with the BACE1 active site displayed a binding mode driven by interactions with the catalytic aspartate dyad and engagement of the biaryl amide toward the S1 and S3 pockets. This work indicates that furo[2,3-d]thiazine can serve as a viable bioisostere of the known furo[3,4-d]thiazine.

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