Results 231 to 240 of about 85,149 (295)

Diel rhythmicity of activity and corticosterone metabolites in Arctic barnacle geese during breeding. [PDF]

Behav Ecol
de Jong ME, Slettenhaar AJ, Fokkema RW, Leh M, Verhoeven MA, Griffin LR, Millesi E, Moe B, Barnreiter E, Loonen MJJE, Scheiber IBR.   +10 more
europepmc   +1 more source

Proactive and reactive movement behaviours shape the antipredator sequence in a large herbivore. [PDF]

Mov Ecol
Vanderlocht C, Robira B, Corradini A, Dal Farra S, Ossi F, Righetti D, Hauffe HC, Pedrotti L, Cagnacci F.   +8 more
europepmc   +1 more source

Seasonal and diel environment effects on host-seeking behaviour in the European tick vector, Ixodes ricinus

Noll M, Wall R, Makepeace BL, Rose Vineer H.   +3 more
europepmc   +1 more source

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Sinomenium Diels (Diels 1910

2011
Published as part of Jacques, Frédéric M. B., Yu-Sheng Liu, Christopher, Martinetto, Edoardo & Zhou, Zhe-Kun, 2011, Revised taxonomy of selected fossil endocarp species in the Menispermaceae using a morphometric approach, pp.
Jacques, Frédéric M. B., Yu-Sheng Liu, Christopher, Martinetto, Edoardo, Zhou, Zhe-Kun   +3 more
openaire   +1 more source

Oxazole Diels—Alder Reactions

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Jeremy I. Levin, Leif M. Laakso
openaire   +1 more source

Dehydrogenative Diels–Alder Reaction

Organic Letters, 2011
The dehydrogenative cycloaddition of dieneynes, which possess a diene in the form of a styrene moiety and a dienophile in the form of an alkyne moiety, produces naphthalene derivatives when heated. It was found that a key requirement of this process is the presence of a silyl group attached to the alkyne moiety, which forces a dehydrogenation reaction ...
Takuya, Ozawa, Takuya, Kurahashi, Seijiro, Matsubara   +2 more
openaire   +2 more sources

Duguetia eximia Diels

2022
[44] Duguetia eximia Diels Notizbl. Bot. Gart. Berlin-Dahlem 11: 79 [31 Mar. 1931] (Diels 1931). NOTE. — Known only from the Guiana Shield. VERNACULAR NAMES. — Pa: pakih-em-priye • Wp: mɨtũluway, pina’ɨ u • Nt: pepee anga sawtu • Cr: manmanyawé-piman. HERBARIUM DATA (FG). — 70 collections at CAY. Sel. exs.: G.S. Perrottet s.n.
Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J., Martin, Claire A.   +10 more
openaire   +1 more source

o-Fluoranil Chemistry: Diels–Alder versus Hetero-Diels–Alder Cycloaddition

The Journal of Organic Chemistry, 2008
The title quinone undergoes [4 + 2] cycloadditions in two ways, Diels-Alder on the ring and hetero-Diels-Alder by attack at the oxygens. The latter mode of reaction is strongly favored thermodynamically, but there is a kinetic bias favoring the normal Diels-Alder addition that often prevails, especially with cycloaddends that are not electron-rich.
David M, Lemal, Sudharsanam, Ramanathan, John, Shellito   +2 more
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Diels–Alder Reaction

2009
The Diels–Alder reaction, inverse electronic demand Diels–Alder reaction, as well as the hetero-Diels–Alder reaction, belong to the category of [4+2]-cycloaddition reactions, which are concerted processes.
openaire   +1 more source