| Budget Amount *help |
¥18,980,000 (Direct Cost: ¥14,600,000、Indirect Cost: ¥4,380,000)
Fiscal Year 2009: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2008: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2007: ¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
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| Research Abstract |
The development of catalytic preparation methods in organic synthesis is desirable for green chemistry. We have been working on the development of transition-metal-catalyzed asymmetric synthesis and organocatalytic asymmetric synthesis and their applications to biologically interesting natural products. We have succeeded in the development of the ruthenium-, iridium-, and nickel-catalyzed asymmetric synthesis of β-hydroxy-α-amino acid esters. In addition, we investigated asymmetric allylic alkylation using the combination of palladium and new monodentate phosphorus ligands and the total synthesis of tangutorine, an indole alkaloid, using our method. Furthermore, we developed the asymmetric synthesis of tetrahydroquinolines and aziridines using α,α-diphenylprolinol O-triethylsilyl ether as the organocatalyst and succeeded in the asymmetric synthesis of martinelline, a bradykinin receptor antagonist, using our method.
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