2 article(s) from Šindler-Kulyk, Marija
Synthesis of 4- (1) and 5-(2-vinylstyryl)oxazoles (2).
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Irradiation of 4- (1) and 5-(2-vinylstyryl)oxazoles (2) (crude reaction mixtures).
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Part of 1H NMR spectra in C6D6 of the crude photomixtures after 200 min (300 nm, rt ) of irradiatio...
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Plausible mechanisms of oxazoline ring-opening in photoproduct 10.
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1H NMR spectra in C6D6 of rel-(9S)-12a (a) and rel-(9S)-11 (b).
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Mechanism of the formation of polycyclic compounds (8–10).
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Reactions of the photochemical product 8 with EtOH, MeOD and H2O/silica gel.
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Plausible mechanisms of oxazoline ring opening in photoproduct 10 and formation of 12.
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Beilstein J. Org. Chem. 2014, 10, 2222–2229, doi:10.3762/bjoc.10.230
Resonance structures of the sydnone ring.
Thermal and photochemical intermolecular [3 + 2] cycloadditions.
Illustration of intramolecular [3 + 2] cycloadditions.
Styryl-sydnone 1 and stilbenyl sydnone 2 and their photoproducts F and G, respectively; target mole...
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Synthesis of the target molecules 3a and 3b.
Photolysis of cis- or trans-3.
Aromatization with DDQ.
Possible mechanism for the formation of the photoproducts.
Thermal reaction of trans-3.
ORTEP of compound 14.
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Thermal reaction of cis-3.
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Proposed stereochemical pathway of sydnone ring (CH–N) and trans- and cis-stilbene (α–β).
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Proposed stereochemical pathway of sydnone ring (N–CH) and trans- and cis-stilbene (α–β).
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Possible formation of thermal products 14 (from trans-3) and 15 (from cis-3).
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Beilstein J. Org. Chem. 2011, 7, 1663–1670, doi:10.3762/bjoc.7.196
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