نتایج جستجو برای: tephrosia vogelii

تعداد نتایج: 339  

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2001
F Gómez-Garibay M D Arciniega C L Céspedes J Taboada J S Calderón

The aerial parts of Tephrosia carrollii afforded two chromene chalcones. Their structures and stereochemistry were established by spectroscopic methods. The structure of oaxacacin was revised and confirmed by X-ray diffraction. In this paper, we describe the isolation of the chalcone known as "oaxacacin" and the new chalcone named epoxyobovatachalcone. The compound der. oaxacacin was found to b...

Journal: :Chemical and Pharmaceutical Bulletin 2003

Journal: :Berichte der deutschen chemischen Gesellschaft (A and B Series) 1921

2008
Deepak Sivaraman

Introduction: About 70% of electricity consumed in the United States is generated from fossil based resources. Even though the usage of renewable options such as wind, solar and geothermal, etc. have generally followed an increasing trend in the past decade, it is not nearly enough to address the everlooming Climate Change problem. With Mr. Kevin Rudd, the newly elected Prime Minister of Austra...

Journal: :International Journal of Tropical Insect Science 1987

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