Abstract: Substituted bicyclic beta-lactams of Formula I: (I), are ?-lactamase inhibitors, wherein a, X, R1 and R2 are defined herein. The compounds and pharmaceutically acceptable salts thereof are useful in the treatment of bacterial infections in combination with ?-lactam antibiotics. In particular, the compounds can be employed with a ?-lactam antibiotics (e.g., imipenem, piperacillin, or ceftazidime) against microorganisms resistant to ?-lactam antibiotics due to the presence of the ?-lactamases.

Abstract: This invention provides novel ?-lactamase inhibitors of the aryl- and heteroaryl-sulfonamidomethylphosphonate monoester class having nitrogen-based cations or quarternary ammomium groups. The compounds inhibit three classes of ?-lactamases and synergize the antibacterial effects of ?-lactam antibiotics (e.g., imipenem and ceftazimdime) against those micro-organisms normally resistant to the ?-lactam antibiotics as a result of the presence of the ?-lactamases.

Abstract: Substituted bicyclic beta-lactams of Formula I: (I), are ?-lactamase inhibitors, wherein a, X, R1 and R2 are defined herein. The compounds and pharmaceutically acceptable salts thereof are useful in the treatment of bacterial infections in combination with ?-lactam antibiotics. In particular, the compounds can be employed with a ?-lactam antibiotics (e.g., imipenem, piperacillin, or ceftazidime) against microorganisms resistant to ?-lactam antibiotics due to the presence of the ?-lactamases.

Abstract: This invention provides novel ?-lactamase inhibitors of the aryl- and heteroaryl-sulfonamidomethylphosphonate monoester class. The compounds inhibit three classes of ?-lactamases and synergize the antibacterial effects of ?-lactam antibiotics (e.g., imipenem and ceftazimdime) against those micro-organisms normally resistant to the ?-lactam antibiotics as a result of the presence of the ?-lactamases.

Abstract: This invention provides novel ?-lactamase inhibitors of the aryl- and heteroarylsulfonamidomethylphosphonate monoester class having nitrogen-based cations or quarternary ammonium groups. The compounds inhibit three classes of ?-lactamases and synergize the antibacterial effects of ?-lactam antibiotics (e.g., imipenem and ceftazidime) against those micro-organisms normally resistant to the ?-lactam antibiotics as a result of the presence of the ?-lactamases. Formula (I) or pharmaceutically acceptable salt thereof.

Abstract: A class of 7-oxo-2,6-diazabicyclo-[3.2.0]-heptane-6-sulfonic acid compounds substituted at the two position of the bicyclic ring with a heterocyclylaminocarbonyl group or a carbocyclylaminocarbonyl group are ?-lactamase inhibitors. The compounds and their prodrugs and pharmaceutically acceptable salts are useful in the treatment of bacterial infections in combination with ?-lactam antibiotics. In particular, the compounds are suitable for use with ?-lactam antibiotics (e.g., imipenem and ceftazidime) against micro-organisms resistant to ?-lactam antibiotics due to the presence of the ?-lactamases.

Abstract: The present invention relates to compounds and derivatives thereof, their synthesis, and their use as estrogen receptor modulators. The compounds of the instant invention are ligands for estrogen receptors and as such may be useful for treatment or prevention of a variety of conditions related to estrogen functioning including: bone loss, bone fractures, osteoporosis, cartilage degeneration, endometriosis, uterine fibroid disease, hot flashes, increased levels of LDL cholesterol, cardiovascular disease, impairment of cognitive functioning, cerebral degenerative disorders, restenosis, gynecomastia, vascular smooth muscle cell proliferation, obesity, incontinence, and cancer, in particular of the breast, uterus and prostate.

Abstract: The present invention relates to compounds and derivatives thereof, their synthesis, and their use as estrogen receptor modulators. The compounds of the instant invention are ligands for estrogen receptors and as such may be useful for treatment or prevention of a variety of conditions related to estrogen functioning including: bone loss, bone fractures, osteoporosis, cartilage degeneration, endometriosis, uterine fibroid disease, hot flashes, increased levels of LDL cholesterol, cardiovascular disease, impairment of cognitive functioning, cerebral degenerative disorders, restinosis, gynacomastia, vascular smooth muscle cell proliferation, obesity, incontinence, and cancer, in particular of the breast, uterus and prostate.

Abstract: The present invention relates to compounds and derivatives thereof, their synthesis, and their use as estrogen receptor modulators. The compounds of the instant invention are ligands for estrogen receptors and as such may be useful for treatment or prevention of a variety of conditions related to estrogen functioning including: bone loss, bone fractures, osteoporosis, cartilage degeneration, endometriosis, uterine fibroid disease, hot flashes, increased levels of LDL cholesterol, cardiovascular disease, impairment of cognitive functioning, cerebral degenerative disorders, restenosis, gynecomastia, vascular smooth muscle cell proliferation, obesity, incontinence, and cancer, in particular of the breast, uterus and prostate.