Process for production of piperidine derivatives
US6444824B1 · kind B1 · utility
5Cited by
26References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2000 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Aug 9, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/46
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a method for preparing piperidine derivative compounds by converting, with a piperidine compound, regioisomers having the formula: where Z is and where m is 1 or 3-6; Q and Y are the same or different and are selected from the group consisting of O, S, and NR5; R6 and R7 are the same or different and are selected from the group consisting of hydrogen, an alkyl moiety, an aryl moiety, OR8, SR8, and NR8R9; and R5, R8, and R9 are the same or different and are selected from the group consisting of hyrogen, an alkyl moiety, and an aryl moiety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.