C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/279, 260/306
C07D 491/107 (2006.01) C07D 207/12 (2006.01) C07D 211/52 (2006.01) C07D 491/10 (2006.01)
Patent
CA 1132987
Abstract of the disclosure: Novel spiro?dihydrobenzofuran-piperidine and pyrroli- din? and methods of preparing same are described. These compounds are useful as analgetio and tranquilizers and as intermediates.
325429
Effland Richard C.
Gardner Beth A.
Strupczewski Joseph T.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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