| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Development of manufacturing processs by using homegeneous transition-metal-catalyzed process is vital for green chemistry. However, the exsisting catalytic processes mainly depend on the use of precious metal resources. Therefore, development of a reactive common-metal-catalyzed process is a challenging target for synthetic chemists. In this study, we developed novel synthetic methodology for the preparation of active low-valent niobium compounds and their use as catalysts/reagents for innovative environmentally benign organic transformations.
In this study, we report the novel synthetic method for trimerization of isocyanates, 1,3-cyclohexadienes, pyrimidines, and amides from alkenes, alkynes, and nitriles by using the niobium species derived from pentaalkoxyniobium and pentachloroniobium as precursors.
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