抄録
For the same reason, as of the previous paper, following three compounds possessing the same general formula were prepared by the application of 2-thienylmagnesium iodide to ethyl N-methylpiperidine-α-, β-, and γ-carboxylates.
R1=R2=2-thienyl, n=0, n′=4: Colorless prisms, m.p. 91-92.5°.
R1=R2=2-thienyl, n=1, n′=3: Colorless needles, m.p. 142°.
R1=R2=2-thienyl, n=2, n′=2: Colorless prisms, m.p. 161-163°.