| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
The synthesis of the designed organoboron compounds and their reactivity for molecular hydrogen were examined. Although triaryl boron compounds bearing bis(pentafluorophenyl) boryl group were highly unstable against air (molecular oxygen) and water, we demonstrated that the introduction of a coordinating group such as pyridine, amide, formyl, or ether to ortho position of aryl bis(pentafluorophenyl)boron increased chemical stabilities and enabled to handle under air. The synthesized organoboron compounds showed no reactivity for molecular hydrogen under various conditions. However, the ether type organoboron compounds with methoxymethyl ether at ortho position indicated the reversibility of the coordination of an ether oxygen atom toward boron(III) center. These observations serve as a guiding principle of catalyst design for hydrogenation reaction.
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