Processes for preparing 6-alkyl-5-arylsulfonyl-dihydrophenanthridines
US7378427B2 · kind B2 · utility
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48Claims
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Key dates
| Filing date | Jun 17, 2005 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Apr 12, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P19/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Synthetic methods are provided for production of compounds of the formula:where R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.