トリシクロ［9.3.0.0 4,8］テトラデカン-2,9-ジオン類およびトリシクロ［9.3.0.0 3,7］テトラデカン-2,9-ジオンのグリニヤ反応によるメチル化

概要

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Several isomers of CS-CB-CS fused ring compounds， tricyclo[9.3.0.0]tetradecane-2，9-diones and tricyclo[9.3.0.0]tetradecane-2，9-dione weremethylated by Grignard reagent. In these cis/trans isomers of ring junctions， thereaction products were differed respectively， resulting from transannular effectand difference in conformations of the eight-membered rings. Heat of formationsand steric energies of these reaction products were evaluated by semi-empiricalquantum mechanics(MOPAC/AM1)and moleculor mechanics(MM2)， whichare consistent with the experimental results. The molecular structures of twomono-methylated compounds were determined by X-ray crystallography.
慶應義塾大学日吉紀要刊行委員会の論文