Non-Cryogenic, Ammonia-Free Reduction of Aryl Compounds
申请人:University of Pittsburgh - Of the Commonwealth System of Higher Education
公开号:US20220089508A1
公开(公告)日:2022-03-24
A method of reducing an aromatic ring or a cyclic, allylic ether in a compound includes preparing a reaction mixture including a compound including an aromatic moiety or a cyclic, allylic ether moiety, an alkali metal, and either ethylenediamine, diethylenetriamine, triethylenetetramine, or a combination thereof, in an ether solvent; and reacting the reaction mixture at from −20° C. to 30° C. for a time sufficient to reduce a double bond in the aromatic moiety to a single bond or to reduce the cyclic, allylic ether moiety.
Cyclohexannulated [5.3.1]propellanes as precursors to the ABC ring system of paclitaxel (taxol TM )
作者:Martin G. Banwell、Robert W. Gable、Steven C. Peters、James R. Phyland
DOI:10.1039/c39950001395
日期:——
Thermal or silver-ion induced electrocyclic ring-opening of Cyclohexannulated [5.3.1]propellanes such as 7 and 8 provides ABC ring analogues of paclitaxel (taxol) including compounds 10, 11 and 14.
Ultrasonically accelerated cycloaddition - rearrangement of enol ethers
作者:David Goldsmith、José J. Soria
DOI:10.1016/s0040-4039(00)74352-8
日期:1991.11
Cycloaddition-rearrangement reactions of methyl cyclohexenyl ethers with p-bromobenzenesulfonyl azide in neat homogeneous admixture are substanially accelerated by low-wattage ultrasound. Using ultrasound approximately the same yields of rearranged products are obtained in less time at lower temperature than observed at ambient sonic frequencies and elevated temperature. A previously unreported product structural type has also been found.
Stereospecific skeletal rearrangement reactions in bridgehead-substituted bicyclo[2.2.2] systems under neutral conditions
作者:Duy H. Hua、Wei Yi Gung、Robert A. Ostrander、Fusao Takusagawa
DOI:10.1021/jo00388a031
日期:1987.6
Preparation and decomposition of unsaturated esters of diazoacetic acid