Chemistry of Heterocyclic Compounds p. 141 - 144 (1982)
Update date:2022-08-11
Topics:
Yuskovich, A. K.
Danilova, T. A.
Viktorova, E. A.
The transformations of 2-methylthiacyclobutane at 150-350 deg C in the presence of γ-Al2O3 samples with different aprotic acidities were investigated.It was established that the sulfide undergoes isomerization via two pathways, viz., with ring expansion to a five-membered ring and with opening at one C-S bond to give an unsaturated thiol.An experimental confirmation of the consecutive formation of hydrogen sulfide from a one-ring sulfide through a step involving the formation of an unsaturated thiol was obtained for the first time.The transformations are realized asa result of both ionic and polymerization-depolymerization processes.
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