1986
DOI: 10.1002/chin.198652314
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J. VAN DER EYCKEN, P. DE CLERCQ, M. VANDEWALLE

Abstract: Abstract A novel approach to (±)‐epipodophyllotoxin (XIIIa) and hence also to (±)‐podophyllotoxin(XIIIb) starts with the acid (I) which is transformed to the ester (VIIc) via the intermediates shown in the scheme.