Christopher J Mortko

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We report a highly convergent synthesis for the preparation of molecular gyroscopes consisting of para-phenylene rotors linked by triple bonds to methyl-substituted triptycenes acting as pivots and encapsulating frames. The desired 1,4-bis[2-(2,3,6,7,12,13-hexamethyl-10-alkyl-9-triptycyl)ethynyl]benzenes were prepared from 2,3-dimethyl-1,3-butadiene using(More)
Robust reactivity models, progress in crystal design, and the use of specimens in the nanometer scale have led to remarkable advances in the photochemistry of crystals.1 While it is well appreciated that the crystalline environment “allows” for certain excited-state processes and reaction pathways, as suggested by the topochemical postulate,2 recent views(More)
This paper describes steps to develop green chemistry strategies to prepare compounds with adjacent quaternary centers by stereospecific photodecarbonylation of crystalline ketones bearing radical-stabilizing alkenyl substituents in their alpha-positions. Crystals of trans-2,6-dimethyl-2,6-di(benzyloxycarbonyl-trans-ethenyl)-cyclohexanone, trans-2, prepared(More)
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