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Relevant academic research and scientific papers

BETA-LACTAMASE INHIBITORS AND THEIR PREPARATION

Provided herein are novel β-lactamase inhibitors, for the treatment of bacterial infections in combination with β-lactam antibiotics, including infection caused by drug resistant organisms and especially multi-drug resistant organisms. It includes compounds according to formula (I): or pharmaceutically acceptable salts thereof, wherein M and R are as defined herein.

β-Lactamase inhibition profile of new amidine-substituted diazabicyclooctanes

The diazabicyclooctane (DBO) scaffold is the backbone of non-β-lactam-based second generation β-lactamase inhibitors. As part of our efforts, we have synthesized a series of DBO derivatives A1–23 containing amidine substituents at the C2 position of the bicyclic ring. These compounds, alone and in combination with meropenem, were tested against ten bacterial strains for their antibacterial activity in vitro. All compounds did not show antibacterial activity when tested alone (MIC >64 mg/L), however, they exhibited a moderate inhibition activity in the presence of meropenem by lowering its MIC values. The compound A12 proved most potent among the other counterparts against all bacterial species with MIC from a MIC value of 0.125 mg/L.

Tricyclic compounds

Novel compounds of Formula STR1 are disclosed. Also disclosed is a method of inhibiting Ras function and therefore inhibiting the abnormal growth of cells. The method comprises administering a compound of the formula to a biological system. In particular, the method inhibits the abnormal growth of cells in a mammal such as a human being.

Tricyclic amide and urea compounds useful for inhibition of g-protein function and for treatment of proliferative diseases

A method of inhibiting Ras function and therefore inhibiting the abnormal growth of cells is disclosed. The method comprises the administration of a compound of Formula 1.0: STR1 to a biological system. In particular, the method inhibits the abnormal growth of cells in a mammal such as a human being. Novel compounds of formulas 5.0, 5.1 and 5.2, wherein R is --C(R20)(R21)(R46), and 5.3, 5.3A and 5.3B, wherein R is --N(R25)(R48), are disclosed. Also disclosed are processes for making 3-substituted compounds of Formulas 5.0, 5.1, 5.2 and 5.3. Further disclosed are novel compounds which are intermediates in the process for making 3-substituted compounds of Formulas 5.0, 5.1, 5.2 and 5.3.

Tricyclic amide and urea compounds useful for inhibition of G-protein function and for treatment of proliferative diseases

Novel compounds of Formula (7.0a), (7.0b) or (7.0c): STR1 are disclosed. Also disclosed is a method of inhibiting Ras function and therefore inhibiting the abnormal growth of cells. The method comprises administering a compound of the formula (7.0a), (7.0b) or (7.0c) to a biological system. In particular, the method inhibits the abnormal growth of cells in a mammal such as a human being.