Early male initiation (time frame shift): a possible contributor to their shortened lifespan |
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Authors: | RP Spencer |
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Affiliation: | State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, China. |
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Abstract: | Diosgenyl alpha-L-rhamnopyranosyl-(1--2)-[beta-glucopyranosyl-(1--3)]- beta-D-glucopyranoside (gracillin), a monodesmosidic saponin isolated from paris, dioscorea, and costacea species with promising cardiovascular and antitumor activities, was synthesized by stepwise glycosylation. |
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