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US Patent 5837870 - Process to prepare oxazolidinones
US Patent Issued on November 17, 1998
Estimated Patent Expiration Date:
March 28, 2017Estimated 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.
Estimated Patent Expiration Date:
March 28, 2017Estimated 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.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
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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 cyclosField of Search548/257, Polycyclo ring system having the triazole ring as one of the cyclos548/217, 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 ring544/137, The five-membered hetero ring has at least oxygen and nitrogen as ring hetero atoms544/3691,3-oxazole ring or 1,3-thiazole ring (including hydrogenated)ExaminersPrimary: Richter, JohannAssistant: Sackey, Ebenezer Attorney, Agent or FirmUS Patent References3547951, 4062862, 5-Benzyl-2-oxazolidone derivatives and a process for producing the sameIssued on: 12/13/1977 Inventor: Fujimoto , et al.4150029, 3-Aryl 2-oxazolidinones, their process of preparation and their therapeutical application Issued on: 04/17/1979 Inventor: Dostert , et al.4236012, 5-Phenethyl-2-oxazolidone derivatives and a process for producing the same Issued on: 11/25/1980 Inventor: Fujimoto , et al.4250318, Novel 5-hydroxymethyl oxazolidinones, the method of preparing them and their application in therapeutics Issued on: 02/10/1981 Inventor: Dostert , et al.4340606, 3-(p-Alkylsulfonylphenyl)oxazolidinone derivatives as antibacterial agents Issued on: 07/20/1982 Inventor: Fugitt , et al.4461773, P-Oxooxazolidinylbenzene compounds as antibacterial agents Issued on: 07/24/1984 Inventor: Gregory4476136, Aminomethyl-5 oxazolidinic derivatives and therapeutic use thereof Issued on: 10/09/1984 Inventor: Dostert , et al.4948801, Aminomethyloxooxazolidinyl arylbenzene derivatives useful as antibacterial agents Issued on: 08/14/1990 Inventor: Carlson, et al.5164510, 5'Indolinyl-5ଲ-amidomethyloxazolidin-2-ones Issued on: 11/17/1992 Inventor: Brickner5182403, Substituted 3(5'indazolyl) oxazolidin-2-ones Issued on: 01/26/1993 Inventor: Brickner5210303, Process for producing benzylamines Issued on: 05/11/1993 Inventor: Sugiyama5225565, Antibacterial 3-(fused-ring substituted)phenyl-5ଲ-amidomethyloxazolidin-2-ones Issued on: 07/06/1993 Inventor: Brickner5231188, Tricyclic [6.5.51]-fused oxazolidinone antibacterial agents Issued on: 07/27/1993 Inventor: Brickner5247090Tricyclic [6,6,5]-fused oxazolidinone antibacterial agents Issued on: 09/21/1993 Inventor: Brickner Foreign Patent References
International ClassesC07D 413/04C07D 249/16 |
