5 research outputs found

    Studies on electrophilic cleavage of cyclopropane ring embodied in tetracyclo[6.3.0.0(2.6).0(5.7)]undecanones and congeneres

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    An unusual cleavage of internal cyclopropane sigma bond in tetracyclic systems containing carbonyl conjugated cyclopropane ring with trimethylsilyl iodide is reported

    A NOVEL PERISELECTIVE CYCLOADDITION OF CYCLOHEPTATRIENE WITH CYCLOHEXA-2,4-DIENONES

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    A highly periselective cycloaddition of cycloheptatriene and cyclohexa-2,4-dienones(2a-c) to endo tricyclic systems (6a-c) and their photo conversion to cage compunds (7a-c ) has been reported. It has been shown that the adduct 6c arise via Cope rearrangement of the initially formed pi4s(dienone) + pi2s(CHT) adduct 5c

    INTRAMOLECULAR DIELS-ALDER REACTION OF CYCLOHEXA-2,4-DIENONES - SYNTHESIS AND PHOTOCHEMICAL-REACTIONS OF OXA-HOMOBRENDANES

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    Synthesis of Oxa-homobrendanes having beta,gamma-unsaturated carbonyl chromophore and their photoreactions in singlet (S-1) and triplet (T-3) excited states leading to novel bowl shaped molecules have been reported

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