Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Practical syntheses of chiral trans-3, 4-disubstituted piperidines and the intermediates

Practical syntheses of chiral trans-3, 4-disubstituted piperidines and the intermediates

US Patent 6833458 · Granted Dec 21, 2004

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Barbecue grill2025
Regioselective one-step process for synthesizing 2-hydroxyquinoxaline2019
Aqueous inhalation pharmaceutical composition2011
Preparation of amides and quinazoline derivatives2001
Process for preparing amides2001
Process for preparing optically active allylic alcohol derivatives1999
.alpha.-methylene peperomins and halogenated derivatives thereof1999
Polyamine-linked acridine dimers1999
1,2,3,4-tetrahydroisoquinoline derivatives and pharmaceutical composition thereo1998
1,2,3,4-tetrahydroisoquinoline derivatives and pharmaceutical composition thereo1998
Process for preparing 2-cyano-3,5-dimethyl-4-methoxypyridine1997
Process of preparing 2-hydroxymethyl-3,5-dimethyl-4-methoxypyridine1997