Cytotoxic ent-Abietane-type diterpenoids from the roots of Euphorbia ebracteolata.
Sign Up to like & getrecommendations! Published in 2018 at "Bioorganic chemistry"
DOI: 10.1016/j.bioorg.2018.07.032
Abstract: Euphoroids A-C (1-3), three new ent-abietane-type diterpenoids, together with ten known analogues (4-13) were obtained from the roots of Euphorbia ebracteolata. The structures of these compounds were determined by extensive spectroscopic data analysis, including UV,… read more here.
Keywords: roots euphorbia; abietane type; type diterpenoids; ent abietane ... See more keywords
Briarane-type diterpenoids from a gorgonian coral Ellisella sp. with anti-HBV activities.
Sign Up to like & getrecommendations! Published in 2020 at "Bioorganic chemistry"
DOI: 10.1016/j.bioorg.2020.104423
Abstract: Chemical investigation of a gorgonian coral Ellisella sp. resulted in the isolation of 12 briarane-type diterpenoids, including eight new congeners namely ellisellolides A-H (1-8). Their structures were determined by extensive spectroscopic analysis, aided the calculated… read more here.
Keywords: gorgonian coral; anti hbv; hbv; briarane type ... See more keywords
Vibsane-type diterpenoids from Viburnum odoratissimum and their cytotoxic activities.
Sign Up to like & getrecommendations! Published in 2020 at "Bioorganic chemistry"
DOI: 10.1016/j.bioorg.2020.104498
Abstract: Seven new diterpenoids (1-7), including five 7-membered ring vibsane-type diterpenoids, vibsanolide A-E (1-5) and a pair of epimers of 14,15,16,17-tetranorvibsane-type diterpenoids possessing bicyclo[4.2.1]nonane moiety, vibsanolide F-G (6-7), together with twelve known analogues (8-19) were isolated… read more here.
Keywords: diterpenoids viburnum; vibsane type; cytotoxic activities; type diterpenoids ... See more keywords
Seven new guanacastane-type diterpenoids from the fungus Verticillium dahliae.
Sign Up to like & getrecommendations! Published in 2019 at "Fitoterapia"
DOI: 10.1016/j.fitote.2019.01.009
Abstract: Seven new guanacastane-type diterpenoids, namely dahlianes E-K (1-7), and three known ones (8-10) were isolated from the cultures of the fungus Verticillium dahliae. Their structures were established by extensive spectroscopic data analysis along with Rh2(OCOCF3)4-… read more here.
Keywords: verticillium dahliae; new guanacastane; seven new; type diterpenoids ... See more keywords
Boscartins L-O: Cembrane-type diterpenoids from the gum resin of Boswellia sacra Flueck.
Sign Up to like & getrecommendations! Published in 2019 at "Phytochemistry"
DOI: 10.1016/j.phytochem.2019.03.005
Abstract: Four undescribed cembrane-type diterpenoids, boscartins L-O, as well as five known compounds (1S, 3R, 11S, 12R, 7E)-1,12-epoxy-4-methylenecembr-7- ene- 3,11-diol, isoincensole oxide, incensole oxide, incensole acetate and incensole oxide acetate were isolated from the gum resin… read more here.
Keywords: sacra flueck; boswellia sacra; cembrane type; type diterpenoids ... See more keywords
Cytotoxic abietane-type diterpenoids from twigs and leaves of Croton laevigatus
Sign Up to like & getrecommendations! Published in 2017 at "Phytochemistry Letters"
DOI: 10.1016/j.phytol.2017.10.007
Abstract: Abstract Seven new abietane-type diterpenoids, crotolaevigatones A–G (1–7), one new aromatic compound, hexyl Z-ferulate (8), along with three known diterpenoids (9–11) and one known aromatic ester, hexyl E-ferulate (12), were obtained from the twigs and… read more here.
Keywords: twigs leaves; croton laevigatus; abietane type; type diterpenoids ... See more keywords
Isopimarane-type diterpenoids from Callicarpa macrophylla vahl
Sign Up to like & getrecommendations! Published in 2017 at "Phytochemistry Letters"
DOI: 10.1016/j.phytol.2017.10.010
Abstract: Abstract Three new isopimarane-type diterpenoids, named callicapene M1 (1), callicapene M2 (2), and callicapene M3 (3), together with four known isopimarane-type diterpenoids (4, 5, 6, 7), were isolated from the Callicarpa macrophylla Vahl. Their structures… read more here.
Keywords: macrophylla vahl; callicarpa macrophylla; type diterpenoids; isopimarane type ... See more keywords
New 7-oxoabietane-type diterpenoids from the bark of Cryptomeria japonica and their xanthine oxidase inhibitory activity
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DOI: 10.1016/j.phytol.2018.06.006
Abstract: Abstract Three new 7-oxoabietane-type diterpenoids, 3-oxosugiol methyl ether (1), 18-hydroxysugiol (2), and 1β-hydroxysugiol (3), as well as two known 7-oxoabietane-type diterpenoids, 6α-hydroxysugiol (4) and 6α-acetoxysugiol (5), were isolated from the bark of Cryptomeria japonica D.… read more here.
Keywords: bark cryptomeria; new oxoabietane; cryptomeria japonica; type diterpenoids ... See more keywords
Synthesis of derivatives of podocarpane-type diterpenoids through Diels-Alder cycloaddition and photo-decarbonylation from unmasked ortho-benzoquinone
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron"
DOI: 10.1016/j.tet.2017.02.032
Abstract: Derivatives of podocarpane-type diterpenoids, including cassane-type, abietane-type and totarane-type diterpenoids, are either widely distributed natural products or common intermediates in synthetic and medicinal chemistry. Although unmasked ortho-benzoquinone has been used in [4+2] cycloadditions in sparse… read more here.
Keywords: unmasked ortho; ortho benzoquinone; type diterpenoids; podocarpane type ... See more keywords
A pair of epimeric cassane-type diterpenoids and a new labdane-type derivative from Caesalpinia decapetala
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DOI: 10.1016/j.tet.2018.05.028
Abstract: Abstract Caesaldecins A and B (1a/1b), a pair of epimeric cassane-type diterpenoids containing an ether linkage between C-6 and C-20 and an α,β-butenolide ring in the northern hemisphere, were isolated from the leaves of the… read more here.
Keywords: caesalpinia decapetala; cassane type; pair epimeric; type diterpenoids ... See more keywords
Dolabrane-Type Diterpenoids with Immunosuppressive Activity from Koilodepas hainanense.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of natural products"
DOI: 10.1021/acs.jnatprod.2c00204
Abstract: Thirteen new dolabrane-type diterpenoids, koilodenoids A-M (1-13), including a chlorinated congener (2), along with six known analogues, were isolated from Koilodepas hainanense. The structures were determined by analysis of spectroscopic data, ECD spectra, and X-ray… read more here.
Keywords: type diterpenoids; dolabrane type; diterpenoids immunosuppressive; koilodepas hainanense ... See more keywords