Crotonguaienone G and pernambucone are identical

Roderick W. Bates; Craig M. Williams; Andrei G. Kutateladze; Mikhail E. Elyashberg

doi:10.1016/j.fitote.2025.106728

Crotonguaienone G and pernambucone are identical

Roderick W. Bates^*, Craig M. Williams, Andrei G. Kutateladze, Mikhail E. Elyashberg

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

The structure of the doubly anti-Bredt tropone natural product crotonguaienone G has been shown to be incorrect, and the isolated compound is shown to be identical to the known natural product pernambucone. The misassignment can be traced to erroneous 2D NMR data.

Original language	English
Article number	106728
Journal	Fitoterapia
Volume	185
DOIs	https://doi.org/10.1016/j.fitote.2025.106728
Publication status	Published - Sept 2025
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2025 Elsevier B.V.

ASJC Scopus Subject Areas

Pharmacology
Drug Discovery

Keywords

Bredt's rule
CASE
NMR
Tropone

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10.1016/j.fitote.2025.106728

Cite this

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title = "Crotonguaienone G and pernambucone are identical",

abstract = "The structure of the doubly anti-Bredt tropone natural product crotonguaienone G has been shown to be incorrect, and the isolated compound is shown to be identical to the known natural product pernambucone. The misassignment can be traced to erroneous 2D NMR data.",

keywords = "Bredt's rule, CASE, NMR, Tropone",

author = "Bates, \{Roderick W.\} and Williams, \{Craig M.\} and Kutateladze, \{Andrei G.\} and Elyashberg, \{Mikhail E.\}",

note = "Publisher Copyright: {\textcopyright} 2025 Elsevier B.V.",

year = "2025",

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doi = "10.1016/j.fitote.2025.106728",

language = "English",

volume = "185",

journal = "Fitoterapia",

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AU - Bates, Roderick W.

AU - Williams, Craig M.

AU - Kutateladze, Andrei G.

AU - Elyashberg, Mikhail E.

PY - 2025/9

Y1 - 2025/9

N2 - The structure of the doubly anti-Bredt tropone natural product crotonguaienone G has been shown to be incorrect, and the isolated compound is shown to be identical to the known natural product pernambucone. The misassignment can be traced to erroneous 2D NMR data.

AB - The structure of the doubly anti-Bredt tropone natural product crotonguaienone G has been shown to be incorrect, and the isolated compound is shown to be identical to the known natural product pernambucone. The misassignment can be traced to erroneous 2D NMR data.

KW - Bredt's rule

KW - CASE

KW - NMR

KW - Tropone

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DO - 10.1016/j.fitote.2025.106728

M3 - Article

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SN - 0367-326X

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M1 - 106728

ER -

Crotonguaienone G and pernambucone are identical

Abstract

Bibliographical note

ASJC Scopus Subject Areas

Keywords

Access to Document

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Cite this