Browsing by Author "Fawcett, J"
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- ItemSynthesis of 2H-naphtho[2,3-b]thiopyranoquinones and density functional study for the Diels-Alder reaction of a benzothiopyranoquinone(PERGAMON-ELSEVIER SCIENCE LTD, 2000) Tapia, RA; Garate, MC; Valderrama, JA; Zuloaga, F; Jenkins, PR; Fawcett, J; Russell, DRThe synthesis of benzothiopyranoquinone (6) in three step from benzothiopyran (3) is described. Diels-Alder reaction of quinone (6) with 1,3-pentadiene (7), cyclopentadiene, 1-methoxy-1,3-cyclohexadiene (11) and 1-dimethylamino-1-aza-1,3-pentadiene (14) was studied. The Density Functional Theory was applied to explain the orientation of the cycloaddition reaction of quinone (6) with dienes (7), (11) and (14).