Studies on the Synthesis of Physiological Active Terpenes and Development of New Synthetic Methods

点击翻译按钮获取中文摘要

1.Synthesis of the Physiological Active Terpenes. (1)Synthesis of Eudesman-alpha-methylene-6,12-olide and -8,12-olide by Intra molecular Cycization of Allylic Silylated Aldehydes. (2)Synthetic Method of alpha-Methylene-gamma-lactones Fused to Medium and Large Membered Rings by Intramolecular Cyclization of Formylated Allylhalide (3)Synthesis of Physiological Active Eremophilanes: Cinalyratol Acetate, Aristol-9-en-3-ol and Debneyol.2.Studies on the Microbial Transformations of alpha-Santonin and 11-Dehydro- alpha-santonin. (1)Microbial Hydroxylation of Santonin by Asoeriaus niger. (2)Microbial Hydroxylation of 11- Dehydrosantonin by Asperigus niger.3. alpha,beta-Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. (1)A Novel Synthesis of alpha-Substituted Carbonyl Compounds, alpha,beta-Unsaturated Ketones, and Esters from Carbonyl Compounds with Carbon Homologation Through alpha,beta-Epoxy Sulfoxides. (2)Magnesium Salt Induced Opening of alpha,beta-Epoxy Sulfoxides. Synthesis of alpha-Chloroketones, alpha-Alkoxyketones. (3)A Novel Synthegis of alpha-Acyl-, 3-Keto-, and Spiro-Cyclic Ethers via Ring-opening alpha,beta-Epoxy Sulfoxides by Hydroxyl Group. (4)A Novel Steroselective Synthesis of (E 1-Acylbutadienes from 1-Chloro alkyl Phenyl Sulfoxides and 4-(Phenylthio)butanal Through alpha,beta-Epoxy Sulfoxides . (5)A Novel Method Annulation Through alpha,beta- Epoxy Sulfoxides with aid of Intramolecular Radical Cyclization. (6)A Novel Synthesis of Aldols and Through the Enolates from alpha,beta-EPOXY Sulfoxides.4.Novel Asymmetric Synthesis Using Optical Active p-Tolylsulfinyl Group as a Chiral Auxiliary. (1)A Novel Synthesis of Chiral Epoxides and Allylic Alcohols. (2)The Practical Procedure of 1-Chloro-p-tolylsulfoxides and a Novel As Asymmetric Synthesis of (+)-Disparule and (-)-trans-Disparule. (3)A Novel Synthesis of (Z)-N-Arylaziridines.