Novel benzylalcohol derivatives and processes for preparing the same
Patent 4131686 Issued on December 26, 1978. Estimated Expiration Date: 
December 6, 1996. 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.
December 6, 1996. 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 3139441 3869474 -(3,4-Dimethoxyphenethylaminomethyl)-3,4 or 3,5-dihydroxybenzylalcohols and salts thereof Benzylalcohol amine derivatives Patent #: 4032575 InventorsAssigneeApplicationNo. 05/747898 filed on 12/06/1976US Classes:514/653, Hydroxy, bonded directly to carbon, attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding (e.g., beta hydroxy phenethylamines, etc.)564/276, Hydroxy, bonded diretly to carbon, or ether containing (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/304, Of benzene ring containing compounds564/343, Processes564/344, Hydroxy or ether oxygen bonded directly to the aryl ring or ring system564/356, Preparing directly by reduction, other than by reductive amination564/357, By direct hydrogenation564/358, Group VIII noble metal containing catalyst utilized564/361, Plural hydroxy groups bonded directly to the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/365Hydroxy or ether oxygen bonded directly to the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)ExaminersPrimary: Waddell, Frederick E.Attorney, Agent or FirmInternational ClassesC07C 45/00 (20060101)C07D 303/22 (20060101) C07C 45/64 (20060101) C07D 303/00 (20060101) C07C 45/28 (20060101) Foreign Application Priority Data1975-12-11 JPAbstractA compound of the formula: ##STR1## wherein R is lower alkyl, may be prepared, for example, by reducing a compound of the formula: ##STR2## wherein R is same as above. Other methods for preparing the compound [I] are also disclosed. The compound [I] and a pharmaceutically acceptable acid addition salt thereof are useful as anti-diabetic agents. |
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