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A Short Synthesis of Natural Isocoumarin Glucoside Delphoside
isocoumarin glucoside glycosylation total synthesis delphoside
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2007/12/19
摘要 A simple synthesis of delphoside, 3-methyl-6-hydroxy-8-O-β-D-glucopyranosyloxy isocoumarin (1), isolated from Delphinium spp. isdescribed. 3,5-Dimethoxyhomophthalic anhydride (2) on treatmentwith a...
摘要 6,8-Dimethoxy-3-[2-(4-methoxyphenyl)ethyl]isocoumarin was synthesized by condensation of 5,7-dimethoxy- hompophthalic acid with 3-(4-methoxyphenyl)propanoyl chloride. The structure of the synthesiz...
Synthesis of Some Novel Optically Active Isocoumarin and 3,4-Dihydroisocoumarin Containing L-valine and L-leucine Moieties
Isocoumarin Dihydroisocoumarin Homophthalic Amino acid
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2010/4/20
Phthalic anhydride was reacted with L-Valine and L-Leucine in a mixture of acetic acid and pyridine at room temperature, and then was refluxed at 90-100 °C and N-phthaloyl-L-valine or N-phthaloyl-L-le...