Cyclic thioacetals and thioketals (1,3-dithiolanes) are reported to react smoothly with halogens in a 1:1 molar ratio, at room temperature in anhydrous carbon tetrachloride. The mechanistic aspects of the reaction are considered and evidence is shown of the intermediacy of monocationic rather than the previously postulated dicationic species in the cleavage reactions of 1,3-dithiolanes of aromatic ketones.
The reaction of ethanediyl S,S-acetals with halogens / Caputo, Romualdo; C., Ferreri; Palumbo, Giovanni; G., Capozzi. - In: TETRAHEDRON. - ISSN 0040-4020. - STAMPA. - 42:8(1986), pp. 2369-2376. [10.1016/S0040-4020(01)90619-2]
The reaction of ethanediyl S,S-acetals with halogens
CAPUTO, ROMUALDO;PALUMBO, GIOVANNI;
1986
Abstract
Cyclic thioacetals and thioketals (1,3-dithiolanes) are reported to react smoothly with halogens in a 1:1 molar ratio, at room temperature in anhydrous carbon tetrachloride. The mechanistic aspects of the reaction are considered and evidence is shown of the intermediacy of monocationic rather than the previously postulated dicationic species in the cleavage reactions of 1,3-dithiolanes of aromatic ketones.File in questo prodotto:
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