A ffcile tatal synthesis of (±)-selina-3. 11-dien-9-ol (1) has been described. The key step is the onepot reductive fragmentation of α,β-unsaturated p-tosylhydrazone and deduction of 9-carbonyl of 5 With sodium...A ffcile tatal synthesis of (±)-selina-3. 11-dien-9-ol (1) has been described. The key step is the onepot reductive fragmentation of α,β-unsaturated p-tosylhydrazone and deduction of 9-carbonyl of 5 With sodium borohydride.展开更多
Dehydro-4β, 9β-dihydraxy-β-dihydroagarofuran (2), possible precursor of 1α,9β- dibenzoylaxy-2β, 3β, 4β-trihydraxy-β-dihydroagarofuran(1), was synthesized from(-) -carvone via thirteensteps.
文摘A ffcile tatal synthesis of (±)-selina-3. 11-dien-9-ol (1) has been described. The key step is the onepot reductive fragmentation of α,β-unsaturated p-tosylhydrazone and deduction of 9-carbonyl of 5 With sodium borohydride.
文摘Dehydro-4β, 9β-dihydraxy-β-dihydroagarofuran (2), possible precursor of 1α,9β- dibenzoylaxy-2β, 3β, 4β-trihydraxy-β-dihydroagarofuran(1), was synthesized from(-) -carvone via thirteensteps.
