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Synthesis of 16,18-dihydroxycleroda-3,13Z-dien-16,15-olide, (+)-16-hydroxycleroda-3,13Z-dien-16,15-olide, and
1Instituto de Química, Universidade Estadual de Campinas, C.P. 6154, CEP 13083-970, Campinas, São Paulo, Brazil, and Departamento de Química, UFMS, MS, Brazil. imam@iqm.unicamp.br
Journal of Natural Products
|January 5, 2001
Abstract:
Syntheses of three enantiomers of natural hydroxybutenolide diterpenes, 16,18-dihydroxycleroda-3,13Z-dien-16,15-olide (4), (+)-16-hydroxycleroda-3,13Z-dien-16,15-olide (5), and (-)-16-hydroxyhalima-5(10),13Z-dien-16,15-olide (6), via a furan photosensitized oxygenation reaction of (+)-hardwickiic acid (2), are described.