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neo -Clerodane and tiliifolane-type diterpenoids, and other constituents from Salvia pennellii

Tetrahedron Letters, ISSN: 0040-4039, Vol: 122, Page: 154491
2023
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Article Description

Two undescribed neo -clerodanes ( 1 and 2 ) and a novel tiliifolane ( 3 ) diterpenoids, were isolated from the leaves and flowers of Salvia pennellii. Wirikutin ( 1 ) and 15- epi -wirikutin ( 2 ) were isolated as a C-15 epimeric mixture containing a 5-hydroxyfuran-2( 5H )-one moiety in the side chain of the neo -clerodane framework. Wixarikolide ( 3 ) was isolated as a Δ 3(20) derivative of tiliifodiolide. The structures of compounds 1 / 2 were deduced through the analyses of their MS spectrometric, and the 1D/2D NMR data. The structure of 3 was determined directly by single crystal X-ray diffraction. The PTP1B inhibitory activity of compounds 1 / 2 was assayed.

Bibliographic Details

Laura Sepúlveda-Cuellar; Jorge Cárdenas; Rubén A. Toscano; José Rivera-Chávez; Elihú Bautista; Brenda Y. Bedolla-García; Joel Flores

Elsevier BV

Biochemistry, Genetics and Molecular Biology; Pharmacology, Toxicology and Pharmaceutics; Chemistry

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