Abstract: The invention relates to compounds of Formula I or Formula II: to compositions comprising such compounds, and to methods of use thereof for treating neurodegenerative disorders, such as Friedreich ataxia.

Abstract: Methods for improving mitochondrial function, decreasing iron accumulation, and/or decreasing oxidative stress by exposing cells or treating a subject to compounds or compositions of the general formula are described that are beneficial in treating, for example, diseases and conditions such as Friedreich's ataxia, normal aging, and various neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. Furthermore, such compounds are useful as probes for identifying defects in mitochondrial metabolism, mitochondrial iron accumulation, cellular stress among other mitochondrial diseases and helping to identify compounds active in overcoming such defects.

Abstract: Methods for improving mitochondrial function, decreasing iron accumulation, and/or decreasing oxidative stress by exposing cells or treating a subject to compounds or compositions of the general formula are described that are beneficial in treating, for example, diseases and conditions such as Friedreich's ataxia, normal aging, and various neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. Furthermore, such compounds are useful as probes for identifying defects in mitochondrial metabolism, mitochondrial iron accumulation, cellular stress among other mitochondrial diseases and helping to identify compounds active in overcoming such defects.

Abstract: Methods for improving mitochondrial function, decreasing iron accumulation, and/or decreasing oxidative stress by exposing cells or treating a subject to compounds or compositions of the general formula are described that are beneficial in treating, for example, diseases and conditions such as Friedreich's ataxia, normal aging, and various neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. Furthermore, such compounds are useful as probes for identifying defects in mitochondrial metabolism, mitochondrial iron accumulation, cellular stress among other mitochondrial diseases and helping to identify compounds active in overcoming such defects.

Abstract: Methods for improving mitochondrial function, decreasing iron accumulation, and/or decreasing oxidative stress by exposing cells or treating a subject to compounds or compositions of the general formula are described that are beneficial in treating, for example, diseases and conditions such as Friedreich's ataxia, normal aging, and various neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. Furthermore, such compounds are useful as probes for identifying defects in mitochondrial metabolism, mitochondrial iron accumulation, cellular stress among other mitochondrial diseases and helping to identify compounds active in overcoming such defects.

Abstract: Methods for improving mitochondrial function, decreasing iron accumulation, and/or decreasing oxidative stress by exposing cells or treating a subject to compounds or compositions of the general formula are described that are beneficial in treating, for example, diseases and conditions such as Friedreich's ataxia, normal aging, and various neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. Furthermore, such compounds are useful as probes for identifying defects in mitochondrial metabolism, mitochondrial iron accumulation, cellular stress among other mitochondrial diseases and helping to identify compounds active in overcoming such defects.

Abstract: Methods for improving mitochondrial function, decreasing iron accumulation, and/or decreasing oxidative stress by exposing cells or treating a subject to compounds or compositions of the general formula (I) are described that are beneficial in treating, for example, diseases and conditions such as Friedreich's ataxia, normal aging, and various neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. Furthermore, such compounds are useful as probes for identifying defects in mitochondrial metabolism, mitochondrial iron accumulation, cellular stress among other mitochondrial diseases and helping to identify compounds active in overcoming such defects.

Abstract: Methods for improving mitochondrial function, decreasing iron accumulation, and/or decreasing oxidative stress by exposing cells or treating a subject to compounds or compositions of the general formula (I) are described that are beneficial in treating, for example, diseases and conditions such as Friedreich's ataxia, normal aging, and various neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. Furthermore, such compounds are useful as probes for identifying defects in mitochondrial metabolism, mitochondrial iron accumulation, cellular stress among other mitochondrial diseases and helping to identify compounds active in overcoming such defects.

Abstract: Processes for synthesizing a compound of Formula (I) are provided by reacting a compound of Formula (i) with a compound of Formula (xx).

Abstract: Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided.

Abstract: Novel macrolactone compounds, their methods of preparation, pharmaceutical compositions containing these compounds, and methods for their pharmaceutical use are disclosed. In certain embodiments, the macrolactone compounds may be useful, inter alia, for treating various cancers, inducing apoptosis in malignant cells, or inhibiting cancer cell division.

Abstract: Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided.

Abstract: Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided.

Abstract: The invention provides a new process for the preparation of polypyrrolinones (I) of various sizes which have found to be useful peptidomimetics. One aspect of the invention is a new process utilizing ?-amino-?-substituted-valerolactones as synthons. A second aspect of the invention is a process for the synthesis of polypyrrolinones using solid-phase techniques.