The direct high-yield synthesis without solvent and catalyst, under mild conditions, of eleven novel mono substituted ferrocenylmethyl ethers and amine derivs. from ferrocenemethanol and vicinal oxygenated alcs. and amines is here reported. The peculiar ability of these classes of non acidic compds. to favor the dehydrative nucleophilic substitution is attributed to the presence of vicinal oxygen atoms to the reactive group able to build a hydrogen bonding network with the reactant. The role of carbon dioxide and hexafluoroisopropanol was investigated to support the hypothesis that a template catalysis effect is occurring. The in vitro anti-fungal activity of some of these derivs. was tested on two plant fungi, Botrytis cinerea and Penicillium species, with moderate activity.
New examples of template catalysis based processes: glycerol-like units as efficient promoters for dehydrative nucleophilic substitutions of ferrocenylmethanol
SHISODIA, SURESH UDHAVRAO;AURICCHIO, SERGIO;CITTERIO, ATTILIO;SEBASTIANO, ROBERTO
2014-01-01
Abstract
The direct high-yield synthesis without solvent and catalyst, under mild conditions, of eleven novel mono substituted ferrocenylmethyl ethers and amine derivs. from ferrocenemethanol and vicinal oxygenated alcs. and amines is here reported. The peculiar ability of these classes of non acidic compds. to favor the dehydrative nucleophilic substitution is attributed to the presence of vicinal oxygen atoms to the reactive group able to build a hydrogen bonding network with the reactant. The role of carbon dioxide and hexafluoroisopropanol was investigated to support the hypothesis that a template catalysis effect is occurring. The in vitro anti-fungal activity of some of these derivs. was tested on two plant fungi, Botrytis cinerea and Penicillium species, with moderate activity.File | Dimensione | Formato | |
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