Results 121 to 130 of about 907 (174)

Beyond Essential Oils: Diterpenes, Lignans, and Biflavonoids from Juniperus communis L. as a Source of Multi-Target Lead Compounds. [PDF]

Plants (Basel)
Jojić AA, Liga S, Uţu D, Ruse G, Suciu L, Motoc A, Şoica CM, Tchiakpe-Antal DS.   +7 more
europepmc   +1 more source

Influence of environmental and anthropogenic factors on forest patch composition and structure in North Wollo Zone, Amhara region, Ethiopia. [PDF]

PLoS One
Alemu M, Warkineh B, Lulekal E, Asfaw Z.
europepmc   +1 more source

Uncovering the Host Range-Lifestyle Relationship in the Endophytic and Anthracnose Pathogenic Genus Colletotrichum. [PDF]

Microorganisms
Newfeld J, Ujimatsu R, Hiruma K.
europepmc   +1 more source

Trade-Offs Between Hydraulic Efficiency and Safety in Cotton (Gossypium hirsutum L.) Stems Under Elevated CO₂ and Salt Stress. [PDF]

Plants (Basel)
Zhao Q, Chen J, Kang J, Kang S.
europepmc   +1 more source

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Chemistry of the podocarpaceae—XI

Tetrahedron, 1966
Abstract Totarol, podototarin, podocarpic acid, β-sitosterol, and campesterol have been isolated from, or identified as constituents of, the heartwoods of Podocarpus nivalis and P. acutifolius. The former species also contains methyl podocarpate, the n-alkanes with chain length C13, C14, and C21C31 inclusive, and a new bisditerpenoid which has been ...
C.R. Bennett, R.C. Cambie
openaire   +1 more source

Anthocyanins of the podocarpaceae

Phytochemistry, 1972
Abstract In the Podocarpaceae anthocyanins occur in some vegetative organs, and in seed-bearing structures where they have a comparable role to angiosperm fruit pigments. Pelargonidin and peonidin are recorded for the first time from gymosperms and several species contain pigments with an unusual substituent that confers highly characteristic ...
exaly   +2 more sources

Chemistry of the podocarpaceae

Journal of Organometallic Chemistry, 1986
Abstract A pentacarbonylcarbene chromium complex of the diterpenoid methyl O-methylpodocarpate has been prepared and its reactions with some alkynes have been studied with the aim fo synthesising ring-C aromatic steroids. The use of diphenylacetylene resulted in cyclisation to give steroidal derivatives in moderate yield.
Richard C. Cambie, Peter S. Rutledge, Moana Tercel, Paul D. Woodgate   +3 more
openaire   +1 more source

Chemistry of the podocarpaceae—VIII

Tetrahedron, 1963
Abstract Macrophyllic acid from the heartwood of Podocarpus macrophyllus has been shown to be the bisditerpenoid dicarboxylic acid (I, R  H) related to podototarin, and its di-O-methyl dimethyl ester synthesized from 16-hydroxytotarol. Podototarin (IV, R  CH3) has been prepared by a one-step enzymatic coupling of (+)-totarol and the coupling ...
S.M. Bocks, R.C. Cambie, T. Takahashi
openaire   +1 more source

Chemistry of the podocarpaceae—XVI

Tetrahedron, 1968
Abstract Treatment of 6α-bromo-7-oxototaryl acetate (II, R = OAc) with NaHCo 3 /DMSO gives 6α-bromo-7-oxototarol (II, R = OH, 5%), Δ 5 -dehydro-7-oxototaryl acetate (III, R = OAc, 45%), Δ 5 - dehydro-7-oxototarol (III, R = OH, 15%), and by fission of the dA/B ring junction, 7-oxo-5,10-secototara- 5,8,10(20),11,13-penataen-13-ol (IV, R = H, 5%).
R.C. Cambie, R.T. Gallagher
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Chemistry of the podocarpaceae—III

Tetrahedron, 1959
Abstract A new lignan for which the name seco-isolariciresinol is proposed, has been isolated from the heartwood of Podocarpus spicatus. The structure has been shown to be 2:3-bis(4′-hydroxy-3′- methoxybenzyl)-butan-1:4-diol (II, R = H), and confirmed by an absolute synthesis from (−)-matairesinol (I, R = H).
L.H. Briggs, R.C. Cambie, J.L. Hoare
openaire   +1 more source