Development of the novel C-C bond forming reactions using homogeneous transition metal catalysts
Development of the novel C-C bond forming reactions using homogeneous transition metal catalysts
批准号:
09304069
负责人:
YAMAMOTO Yoshinori
金额:
$25.92万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (A)
财政年份:
1997
资助国家:
日本
项目状态:
已结题
起止时间:
1997 至 1999
中文摘要
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英文摘要
Monosubstituted conjugated enynes were found to undergo [4+2] homodimerization smoothly in the presence of palladium catalyst to give 4, α-and 2,6-disubstituted styrene derivatives. Analogous cross-cycloaddition of conjugated enynes and diynes was also developed to afford a variety of polysubstituted benzenes, including phenol and aniline derivatives. Alkynes and diynes in the presence of a palladium catalyst underwent novel formal [2+2+2] sequential cyclotrimerization to afford multifunctional benzenes in one step with high degrees of regio- and chemoselectivities. Mechanism of these novel transformations was proposed.
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J.-G.Shim,Y.Yamamoto: "A Novel and Effective Route to 1,3-Oxazolidine Derivatives. Palladium Catalyzed Regioselective [3+2] Cycloaddition of Vinylic Oxyranes with Imines"Tetrahedron Lett. 40. 1053-1056 (1999)
J.-G.Shim,Y.Yamamoto:“一种新颖且有效的 1,3-恶唑烷衍生物路线。钯催化的区域选择性 [3 2] 乙烯基环氧乙烷与亚胺的环加成”四面体莱特。
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Vladimir Gerorgyan: "Regiospeccific Synthesis of Polysubstituted Phorols via the Palladium-Catalyzed Enyre-Diyne[4+2]Cross-Berzannulation Pathray" The Journal of Organic Chemistry. 63. 1244-1247 (1998)
Vladimir Gerorgyan:“通过钯催化 Enyre-Diyne[4 2]Cross-Berzannulation Pathray 进行多取代佛罗醇的区域特异性合成”有机化学杂志。
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V.Gevorgyan,Y.Yamamoto: "Perspectives in Organopalladium Chemistry for the 21 Century"Elsevier. 16 (1999)
V.Gevorgyan、Y.Yamamoto:“21 世纪有机钯化学展望”Elsevier。
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I.Kadota,A.Shibuya,L.Lutete,Y.Yamamoto: "Palladium/Benzoic Acid Catalyzed Hydroamination of Alkynes"J.Org.Chem.. 64. 4570-4571 (1999)
I.Kadota,A.Shibuya,L.Lutete,Y.Yamamoto:“钯/苯甲酸催化炔烃的氢氨化”J.Org.Chem.. 64. 4570-4571 (1999)
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Douglas Weibel: "Synthesis of Polyethor Exomothylene Paracydophanes viaan Intranolecular Pd-Catalyzed Bis-Enyne Bnzannulation Protocol" The Journal of Orgaic Chemistry. 63. 1217-1220 (1998)
Douglas Weibel:“通过分子内 Pd 催化双烯炔 Bnzannulation 方案合成聚乙醚外乙烯对乙酰基”有机化学杂志。
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STRCH ACCUMULATING PALMS IN THE TROPICS, ESTIMATION OF ITS PRODUCTIVITY AND CLARIFICATION OF STARCH PROPERTIES
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Studies on Premature Heading and Its Prevent Methods for Early Season Culture and Planting of Extremely Early Rice Cultivars in Warm South-west Japan
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Studies on the Characteristics of Differentiation and Degeneration of Spikelets and Grain-filling in High-yielding Rice Cultivars with Large Panicles
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Basic Study on Super Panicle Weight Type Varieties in Rice
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Synthesis and Application of Carborane Containing MR Imaging Agent
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New Synthetic Method for Chiral B-Lactams
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Organometallics of Organic Active Intermediates
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Development of New Synthetic Reactions and their Application to the Synthesis of Biologically Active Compounds
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Systematic Studies on the Role of Lewis Acids in Organic Synthesis.
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Studies on the Grain Productivity in Rice Tillers of Different Order and Position on the Main Stem
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Development of New Synthetic Methods via Multi-Metallic Organic Compounds
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Development of New Methods for Acyclic Stereocontrol and Their Application
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Studies on the Variation of Growth and Yield among Individual Hills of Rice Plant in Mechanical Transplanting Culture
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海外基金