Novel optically active halo-substituted tetrahydrofurans
Patent 4918207 Issued on April 17, 1990. Estimated Expiration Date: 
June 12, 2009. 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.
June 12, 2009. 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 3901927 Process for preparation of substituted olefins 2-Arylpropyl ether or thioether derivatives and insecticidal and acaricidal agents containing said derivatives Patent #: 4397864 InventorAssigneeApplicationNo. 364874 filed on 06/12/1989US Classes:549/504Halogen attached directly or indirectly to the hetero ring by nonionic bondingExaminersPrimary: Lone, Werren B.Attorney, Agent or FirmForeign Patent References
International ClassesC07D 307/02C07D 307/06 AbstractA process for producing the optically pure (+)- or (-) isomer of a pheynl- or substituted- phenylalkanolamine compounds having pharmacologic activity without the need for resolution processes and novel intermediates useful in the process including optically pure haloalcohols are provided. |
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