A crotofolane-type diterpenoid and a rearranged nor-crotofolane-type diterpenoid with a new skeleton from the stems of Croton cascarilloides
Tetrahedron Letters Volume 51 Issue 33
Page 4320-4322
published_at 2010-08-18
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Title ( eng ) |
A crotofolane-type diterpenoid and a rearranged nor-crotofolane-type diterpenoid with a new skeleton from the stems of Croton cascarilloides
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Creator |
Kawakami Susumu
Shinzato Takakazu
Takeda Yoshio
Kawahata Masatoshi
Yamaguchi Kentaro
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Source Title |
Tetrahedron Letters
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Volume | 51 |
Issue | 33 |
Start Page | 4320 |
End Page | 4322 |
Abstract |
From the stems of Croton cascarilloides collected in the Okinawa Islands, a structurally rare crotofolane-type diterpenoid (1) and a rearranged nor-crotofalane, a new skeletal diterpenoid (2), were isolated. The structures were determined by X-ray crystallographic analyses, establishing their absolute stereostructures for the first time. Compound 2 was probably biosynthesized from 1 through several steps, such as decarboxylation, oxidation, C-C bond migration, etc.
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Keywords |
Croton cascarilloides
Euphorbiaccae
Crotofolane
Diterpenoid
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NDC |
Medical sciences [ 490 ]
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Language |
eng
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Resource Type | journal article |
Publisher |
Pergamon-Elsevier Science LTD
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Date of Issued | 2010-08-18 |
Rights |
Copyright (c) 2010 Elsevier Ltd
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Publish Type | Author’s Original |
Access Rights | open access |
Source Identifier |
[ISSN] 0040-4039
[DOI] 10.1016/j.tetlet.2010.06.033
[NCID] AA00861801
[DOI] http://dx.doi.org/10.1016/j.tetlet.2010.06.033
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