Construction of the [7-5-5] Tricyclic Core of Daphniphyllum Alkaloids via a Cationic Cascade Reaction.
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DOI: 10.1021/acs.orglett.2c04023
Abstract: The [7-5-5] tricyclic core of daphniphyllum alkaloids, containing contiguous stereogenic centers at C14 and C15 and a tetrasubstituted alkene moiety between C9 and C10, was constructed via a cascade reaction that involved an electrocyclic reaction… read more here.
Keywords: tricyclic core; reaction; core daphniphyllum; daphniphyllum alkaloids ... See more keywords
Calycindaphines A–J, Daphniphyllum alkaloids from the roots of Daphniphyllum calycinum
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DOI: 10.1039/d1ra00107h
Abstract: Ten new Daphniphyllum alkaloids, calycindaphines A–J (1–10), were isolated from Daphniphyllum calycinum. Compound 1 possesses a unique C22 skeleton with the 5/8/7/5/5 ring system and might be a key intermediate for daphhimalenine A formation. read more here.
Keywords: daphniphyllum calycinum; daphniphyllum alkaloids; calycindaphines daphniphyllum; alkaloids roots ... See more keywords