Process for the preparation of an n-phenylacetic derivative of tetrahydrothieno(3,2-c)pyridine and its chemical intermediate
Patent 5204469 Issued on April 20, 1993. Estimated Expiration Date: 
July 3, 2011. 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.
July 3, 2011. 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 ReferencesProcess for the preparation of thieno-pyridine derivatives Process for the preparation of thienopyridine derivatives Thieno [3,2-c] pyridine derivatives and their therapeutic application Dextro-rotatory enantiomer of methyl alpha-5 (4,5,6,7-tetrahydro (3,2-c) thieno pyridyl) (2-chlorophenyl)-acetate and the pharmaceutical compositions containing it Process for the preparation of N-(2-chlorobenzyl)-2-(2-thienyl) ethylamine Patent #: 4873343 InventorsAssigneeApplicationNo. 725650 filed on 07/03/1991US Classes:546/114, Ring sulfur in the bicyclo ring system549/77Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containingExaminersPrimary: Raymond, Richard L.Assistant: Russell, Mark W. Attorney, Agent or FirmForeign Patent References
International ClassesC07D 513/04C07D 333/20 Foreign Application Priority Data1990-07-10 FRAbstractThe invention relates to a process for the preparation of the compound of formula ##STR1## wherein a formylating agent is reacted with the compound of formula ##STR2## and wherein the compounds obtained are cyclised in the presence of an acid.Other References
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