Results 161 to 170 of about 7,638 (201)
Biogenic zinc oxide nanoregulator determines the quantitative analysis of morpho-anatomical and antioxidant capacity in Lactuca sativa L. [PDF]
Food Sci NutrHasan M +5 more
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Water availability positions auxin response maxima to determine plant regeneration fates. [PDF]
Nat PlantsKareem A +5 more
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The auxin phenylacetic acid induces NIN expression in the actinorhizal plant Datisca glomerata, whereas cytokinin acts antagonistically. [PDF]
PLoS OneSalgado MG +3 more
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2022
Chapter 3 is dedicated to pericyclic reactions and selected rearrangement reactions, and to reactions involving transient intermediates, such as radicals, diradicals or carbocations. The class of electrocyclic ring-opening reactions is first used to illustrate the application of FMO theory arguments and the classification of reactions as orbital ...
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Chapter 3 is dedicated to pericyclic reactions and selected rearrangement reactions, and to reactions involving transient intermediates, such as radicals, diradicals or carbocations. The class of electrocyclic ring-opening reactions is first used to illustrate the application of FMO theory arguments and the classification of reactions as orbital ...
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2023
Abstract Perhaps the greatest achievement in physical organic chemistry was the development of three complementary theories to understand and predict pericyclic reactions. This chapter discusses the underpinnings of the conservation of orbital symmetry and presents many examples of the power of this theory.
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Abstract Perhaps the greatest achievement in physical organic chemistry was the development of three complementary theories to understand and predict pericyclic reactions. This chapter discusses the underpinnings of the conservation of orbital symmetry and presents many examples of the power of this theory.
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Azopeptides: Synthesis and Pericyclic Chemistry
Organic Letters, 2015Azopeptides possess an imino urea as an amino amide surrogate in the sequence. Azopeptides were synthesized by oxidation of aza-glycine residues and employed in pericyclic chemistry. Diels-Alder cyclizations and Alder-ene reactions on azopeptides enabled construction of constrained aza-pipecolyl and reactive aza-allylglycyl residues.
Ramesh, Chingle, William D, Lubell
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2015
Pericyclic Reactions starts with a chapter on the nature of pericyclic reactions and considers how important they are. The following chapter looks at cycloaddition reactions. The text thereafter examines the Woodward–Hoffmann rules and molecular orbitals. There follows a chapter on electrocyclic reactions.
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Pericyclic Reactions starts with a chapter on the nature of pericyclic reactions and considers how important they are. The following chapter looks at cycloaddition reactions. The text thereafter examines the Woodward–Hoffmann rules and molecular orbitals. There follows a chapter on electrocyclic reactions.
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Enzyme coordinates pericyclic trifecta
C&EN Global Enterprise, 2017Pericyclic reactions, in which electrons move in concert to rearrange a molecule’s structure, are standard tools for synthetic chemists.
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