Gas-phase conversion of 1,3-dithiolane-2-thione into 1,3-dithiolan-2-one over molybdenum trioxide
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Gas-phase reaction of 1,3-dithiolane-2-thione over molybdenum trioxide supported on pumice stone results in efficient conversion into 1,3-dithiolan-2-one. The solid reagent is regenerated on exposure to air and thus acts as a catalyst for the overall conversion of the thione and oxygen from the air into the ketone and sulfur dioxide. The process can be carried out under either dynamic vacuum or atmospheric pressure flow conditions and using a solid reagent prepared either by physical mixing of MoO3 with the support or by solution impregnation, with an isolated yield of up to 67% obtained.
Aitken , R A , Curzon , T E & Andrews , M J 2019 , ' Gas-phase conversion of 1,3-dithiolane-2-thione into 1,3-dithiolan-2-one over molybdenum trioxide ' , Frontiers in Chemistry , vol. 7 , 204 . https://doi.org/10.3389/fchem.2019.00204
Frontiers in Chemistry
Copyright © 2019 Aitken, Curzon and Andrews. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
DescriptionAuthors thank the Engineering and Physical Sciences Research Council and CRITICAT Centre for Doctoral Training for financial support [Grant code: EP/L016419/1].
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