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Bunnell, C.A.; Fuchs, P.L. Rapid and Unequivocal Determination of Syn-Anti Stereochemistry for Toluenesulfonylhydrazones and Other Imine Derivatives via Carbon-13NMR Spectroscopy. A Synthetic Adjunct. J. Org. Chem. 1977, 42, 2614.
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(a) Dauben, W.G.; Rivers, G.T.; Zimmerman, W.T. The Role of Tosylhydrazone Stereochemistry upon the Regiospecificity of Olefin Formation. J. Am. Chem. Soc. 1977, 99, 3414;
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Substitution régiosélective d'arènesulfonylhydrazones α, β-unsaturées via la réaction de shapiro
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It is well demonstrated that Z-E isomerization of the tosylhydrazones in the reaction mixtures does not occur (see also Caille, J.C.; Farnier, M.; Guilard, R. Substitution Régiosélective d'Arènesulfonylhydrazones α,β-Unsaturées via la Réaction de Shapiro. Can. J. Chem. 1986, 64, 824), independently of the solvent.
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0010616599
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note
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TMEDA is considered good for the enhancement of the yields on tosylhydrazones proton abstraction reactions;
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0010580956
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0001040482
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Paquette, L.A., Ed.; John Wiley & Sons: Chichester
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Caglioti, L. The Reduction of Tosylhydrazones and of Acyl Tosylhydrazides. Tetrahedron 1966, 22, 487.
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(b) Hutchins, R.O.; Kacher, M.; Rua, L. The Synthetic Utility and Mechanism of the Reductive Deoxygenation of α,β- Unsaturated p-Tosylhydrazones with Sodium Cyanoborohydride. J. Org. Chem. 1975, 40, 923;
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0001246037
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37049148605
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0014961430
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