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:
Jan. 13, 2015
Filed:
Jun. 19, 2013
Council of Scientific & Industrial Research, New Delhi, IN;
Mandapati Mohan Rao, Hyderabad, IN;
Parvathaneni Sai Prathima, Hyderabad, IN;
Council of Scientific & Industrial Research, New Delhi, IN;
Abstract
The present invention relates to expedient method for synthesis of 3-substituted-3-hydroxy-oxindole derivatives, which are useful as synthetic precursors to valuable pharmaceutical compounds. These are synthesized by reacting nitromethane with the corresponding isatins of formula (I). The reaction process of isatins was carried using water as a solvent at room temperature to form the corresponding 3-hydroxy-3-nitromethylindolin-2-ones of formula (II).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile