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Synthesis 1999; 1999(1): 188-197
DOI: 10.1055/s-1999-3671
DOI: 10.1055/s-1999-3671
feture article
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Total Synthesis of Soraphen A1α
Further Information
Publication History
Publication Date:
31 December 1999 (online)
The convergent synthesis of macrolide soraphen A1α is described starting from glucose (western part) and mannose (eastern part). Mannose was converted into a 2-deoxyribohexapyranoside that could be methylated and reduced stereoselectively. Chain elongation at C-6 was carried out by stereoselective addition of a magnesium acetylide. The two fragments (western and eastern) were assembled by a Julia olefination followed by macrolactonization. The introduction of the methyl group at C-2 of norsoraphen occurred stereoselectively for thermodynamic reasons.
Soraphen A1α - macrolide - Julia olefination - chiral pool