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Study on stable nitroxyls (II): Synthesis of spin labeled phenoxyacetates as potential auxins
The syntheses and characterization of six new spin labeled phenoxyacetates as potential auxins are discribed.
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Study on the chemical constituents ofEuonymus alatus (Thunb.) Sleb
This phytochemical study onEuonymus alatus (Thunb.) Sleb. (Celestrceae) yielded two compounds: a new compound, 2,3-dihydroxypropanyl hentetracosanate and a known compound: neozeaxanthin A. Their structures were e...
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A novel lactam fromDelphinium caeruleum
The structure of a novel lactam(I) isolated fromDelphinium caeuleum Jacq. ex Camb was determined by spectral data.
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Facile synthesis of 4β-aminopodophyllotoxins
4β-amino-4-desoxypodophyllotoxin and 4β-amino-4′-demethyl-4desoxypodophyllo-toxin were synthesized by reduction of the corresponding 4β-azidopodophyllotoxin derivatives with HCO2NH4/Pd-C in excellent yields under...