Process to prepare oxazolidinones
March 28, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3547951 5-Benzyl-2-oxazolidone derivatives and a process for producing the same 3-Aryl 2-oxazolidinones, their process of preparation and their therapeutical application 5-Phenethyl-2-oxazolidone derivatives and a process for producing the same Novel 5-hydroxymethyl oxazolidinones, the method of preparing them and their application in therapeutics 3-(p-Alkylsulfonylphenyl)oxazolidinone derivatives as antibacterial agents P-Oxooxazolidinylbenzene compounds as antibacterial agents Aminomethyl-5 oxazolidinic derivatives and therapeutic use thereof Aminomethyloxooxazolidinyl arylbenzene derivatives useful as antibacterial agents 5'Indolinyl-5ଲ-amidomethyloxazolidin-2-ones Inventors
AssigneeApplicationNo. 828923 filed on 03/28/1997US Classes:544/137, The five-membered hetero ring has at least oxygen and nitrogen as ring hetero atoms544/369, 1,3-oxazole ring or 1,3-thiazole ring (including hydrogenated)548/217, Polycyclo ring system having the oxazole ring as one of the cyclos548/221, Chalcogen bonded directly at the 2-position of the oxazole ring548/229, Chalcogen bonded directly at 2-position of the oxazole ring548/257Polycyclo ring system having the triazole ring as one of the cyclosExaminersPrimary: Richter, JohannAssistant: Sackey, Ebenezer Attorney, Agent or FirmForeign Patent References
International ClassesC07D 413/04C07D 249/16 AbstractThe present invention includes processes for producing 5-hydroxymethyl substituted oxazolidinone alcohols (III) from carbamates (IIA) or a trifluoroacetamide (IIB) using a dihydroxy compound (I) or glycidol (IV) starting material and for the transformation of the hydroxymethyl substituted oxazolidinone alcohols (III) to the corresponding amino compounds, 5-aminomethyl substituted oxazolidinone amines (VII) which are acylated to form commercially useful antibacterial 5-acylamidomethyl substituted oxazolidinone (VIII).Other References
Field of SearchPolycyclo ring system having the triazole ring as one of the cyclosPolycyclo ring system having the oxazole ring as one of the cyclos Chalcogen bonded directly at the 2-position of the oxazole ring Chalcogen bonded directly at 2-position of the oxazole ring The five-membered hetero ring has at least oxygen and nitrogen as ring hetero atoms 1,3-oxazole ring or 1,3-thiazole ring (including hydrogenated) |
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