The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 24, 2007
Filed:
Jun. 12, 2006
Toru Yamano, Itami, JP;
Naohiro Taya, Takarazuka, JP;
Akio Ojida, Fukuoka, JP;
Takeda Pharmaceutical Company Limited, Osaka, JP;
Abstract
The present invention provides a method for producing an optically active β-hydroxy ester compound represented by the general formula: wherein Rrepresents an optionally substituted hydrocarbon group and the like, Rrepresents a nitrogen-containing heterocyclic group different from R, which is represented by the general formula: wherein the ring may be substituted and the like, Rrepresents an optionally substituted hydrocarbon group and the like, Rand Rrepresent, the same or different, a hydrogen atom, a halogen atom and the like, the symbol '*' represents an optically active center, which comprises reacting in the presence of a cinchona alkaloid and the like a compound represented by the general formula: wherein Rand Rare as defined above with a compound represented by the general formula: wherein R, Rand Rare as defined above, and X is a halogen atom.