Method for the production of 2-(2-ethoxyphenyl)-substituted imidazotriazinones
US7022847B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Dec 5, 2001 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Apr 2, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P15/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method for the production of 2-phenyl-substituted imidazotriazinones of general formula (I), comprising the reaction of compounds of formula (II) with compounds of formula (III) and subsequent reaction with iodine or bromine, then with a metal cyanide and reaction with an acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.