Chemistry of Heterocyclic Compounds p. 23 - 28 (1986)
Update date:2022-08-04
Topics:
Klimenko, S. K.
Tyrina, T. I.
Sorokin, N. N.
Vlasova, L. V.
Sherbakov, A. A
et al.
The conversion of trans,trans-1-methoxy-3,5-diaryl-2-oxabicyclo<4.4.0>dec-3-enes into trans,trans-1-mercapto-3,5-diaryl-thiabicyclo<4.4.0>dec-3-enes or 2,4-diaryl-5,6-tetramethylene-4H-thiopyrans, which takes place when hydrogen sulfide is reacted with the acetals in acetic acid with the use of gaseous hydrogen chloride as a catalyst, has been described.A mechanism for reaction has been proposed.The structure and conformations of the molecules have been determined by x-ray diffraction analysis and (13)C NMR.
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(1986)