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Communication | Special issue | Vol 62, No. 1, 2004, pp.137-141
Published online, 20th October, 2003
DOI: 10.3987/COM-03-S(P)21
Synthesis of the Key Intermediates for the Core 3,4-Dihydroisocoumarin Structures of AI-77-B and Apicularen from ortho-Metallated Dianions of t-Butylbenzamides and Functionalized Epoxides

Bo-Sung Kwon and Jinsung Tae*

*Department of Chemistry, Yonsei University, 134 Shinchon-Dong, Seodaemun-Ku, Seoul 120-749, Korea

Abstract

3,4-Dihydroisocoumarins functionalized with alkoxy substituents were efficiently synthesized from dianions generated by ortho-metallation of t-butylbenzamides with alkoxy substituted epoxides.