Comins, DL Lee, YS Boyle, PD 2024-01-21T17:33:31Z 2024-01-21T17:33:31Z 2021-09-01 1998-01-15 0040-4039 https://pubs.kist.re.kr/handle/201004/143289 The photocycloaddition of enantiopure bis-dihydropyridone 4 provided a single cycloadduct in high yield. Treatment of the cycloadduct with SmI2 effected ring opening and intramolecular aldol addition to give pentacyclic beta-hydroxyketone 7. (C) 1997 Elsevier Science Ltd. All rights reserved. English PERGAMON-ELSEVIER SCIENCE LTD 1-ACYLPYRIDINIUM SALTS GRIGNARD-REAGENTS N-ACYL-2,3-DIHYDRO-4-PYRIDONES Intramolecular photocycloaddition of a tethered bis-2,3-dihydro-4-pyridone: Stereochemistry and reactivity of the cycloadduct Article 10.1016/S0040-4039(97)10520-2 1 TETRAHEDRON LETTERS, v.39, no.3-4, pp.187 - 190 TETRAHEDRON LETTERS 39 3-4 187 190 scie scopus 000071241000005 Chemistry, Organic Chemistry Article 1-ACYLPYRIDINIUM SALTS GRIGNARD-REAGENTS N-ACYL-2,3-DIHYDRO-4-PYRIDONES pyridone