| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Research Abstract |
Novel cavity-shaped dialkylarylphosphines that would achieve unprecedented “peripheral steric effect” on the coordinated metal have been developed. Four cavity-shaped phosphines with different cavity sizes have been synthesized, and their properties largely differ from the steric environment around the phosphorus atom. The cavity-shaped phosphines have been applied to Pd-catalyzed Suzuki-Miyaura coupling reaction, and it was found that the phosphines with a smaller cavity exert a higher catalytic activity than the larger ones. Investigations of auxiliary ligands revealed that pyridine derivatives enhance the catalytic activity.
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