Naturally occurring 20,26-dihydroxyecdysone (cas 19458-46-9) exists as two C-25 epimers which exhibit different degrees of moulting hormone activity

Add time:08/17/2019    Source:sciencedirect.com

20,26-dihydroxyecdysone (cas 19458-46-9) (20,26-ECD) isolated from Vitex canescens, V. glabrata and V. pinnata has been shown to exist as two C-25 epimers. Synthesis and separation of the two epimers were accomplished and they exhibited different degree of moulting hormone activity in the Musca assay.

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