2 article(s) from White, Andrew J P
a) Tetra ortho-substituted azobenzenes represent a significant advance in terms of Z-isomer stabili...
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Minimum-energy geometry calculated for a) the Z-isomer ground state and b) the transition states wi...
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Noncovalent index (NCI) surfaces calculated for representative pyrrolidine-based ortho-substituted ...
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Noncovalent index (NCI) surfaces and θ dihedral angles (in red) calculated for the minimum-energy g...
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Description of the lowest-lying n–π* excitation for the Z-isomers of halogenated 4pzH-F2 and 4pzH-C...
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Description of the lowest-lying n–π* excitation for the E-isomers of halogenated 4pzH-F2 and 4pzH-C...
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X-ray structures of 4pzMe-F2 (left), 4pzH-F2 (middle) and 4pzMe-OMe2 (right).
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Experimental UV–vis spectra of 4pzMe-F2, 4pzMe-Cl2, 4pzMe-OMe2 and 4pzH-F2 in MeCN at 25 µM.
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Beilstein J. Org. Chem. 2019, 15, 2753–2764, doi:10.3762/bjoc.15.266
3-Component coupling reactions of arynes. E+ = electrophile.
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Aryne mediated α-arylation of amino acids. DMG = directed metallation group. BHT = 2,6-di-tert-buty...
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Proposed mechanism of α-arylation.
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Proposed extension of the methodology to synthesize quaternary adducts.
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Formation of α-methyl, α-aryl Schöllkopf adduct.
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NOESY correlation observed for 6a.
X-ray crystal structure of 6b.
Transition state analysis to explain the lack of diastereoselectivity at C-2.
Formation of quaternary adducts.
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Hydrolysis of quaternary adducts.
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Hydrolysis to amino acids.
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Hydrolysis of analogue 6j.
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Epimerization at C-3 of 6g.
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Beilstein J. Org. Chem. 2011, 7, 1570–1576, doi:10.3762/bjoc.7.185
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