C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/237.67
C07D 221/28 (2006.01)
Patent
CA 1220200
ABSTRACT OF THE DISCLOSURE Process for the preparation of levallor- phanhalomethylates by reaction of a methyl halide with levallorphan; products thus obtained having peripheral opiate antagonistic activity and pharmaceutical compos- itions useful to prevent the side effects of opiates, particularly constipation.
443857
Bianchetti Alberto
Manara Luciano
Nisato Dino
Sacilotto Roberto
Sim & Mcburney
Societe Anonyme Styled: Sanofi
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