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ChemInform Abstract: Synthesis and Intramolecular Photocycloadditions of 2-Acyloxy-3-hexenoyl Cyclohexenones: Diastereoselectivity in the Intramolecular [2 + 2] Photocycloadditions of Alkenes and Cyclohexenones Tethered by Four Atoms.

โœ Scribed by M. T. CRIMMINS; B. W. KING; P. S. WATSON; L. E. GUISE


Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
28
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Intramolecular Phot
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Intramolecular Photocycloaddition of a Tethered Bis-2,3-dihydro-4-pyridone: Stereochemistry and Reactivity of the Cycloadduct. -Irradiation of the tethered bis-dihydropyridone (III) provides a single cycloadduct (IV). Unexpectedly, SmI 2 -mediated opening of the cyclobutane ring is followed by a re