US Patent 7951977 Process for producing hexahydrofurofuranol derivative
Patent 7951977 was granted and assigned to Sumitomo Chemical on May, 2011 by the United States Patent and Trademark Office.
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Patent abstract
The present invention provides; a process for producing a compound (IV) comprising a step of reacting a compound (I) with a compound (II) in the presence of an optionally substituted cyclic secondary amine to obtain a compound (III) and a step of sequentially or simultaneously eliminating R1 and R2 from the compound (III), and then cyclizing the R1- and R2-eliminated compound to obtain the compound represented by the formula (IV); a process for producing a high purity compound (IV); an intermediate thereof; and a process for producing an intermediate.
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Patent Inventor Names
Tetsuya Ikemoto0
Yosuke Watanabe0
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US Patent 07951977 Process for producing hexahydrofurofuranol derivative US Patent 7951977 Process for producing hexahydrofurofuranol derivative
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Patent Number
079519770
Patent Number
79519770
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079519770
Date of Patent
May 31, 2011
0Patent Application Number
119207740
Date Filed
June 5, 2006
0Patent Primary Examiner
Edits on 7 Dec, 2021
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Infobox (+8 properties)
US Patent 07951977 Process for producing hexahydrofurofuranol derivative
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07951977
Date of patent
May 31, 2011
Patent application number
11920774
Date Filed
June 5, 2006
Patent primary examiner
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