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:
Apr. 11, 2006
Filed:
Jun. 13, 2002
Jagdish Chand Saigal, Maharashtra, IN;
Rajender Pershad Gupta, Maharashtra, IN;
Vilas Vasant Pandit, Maharashtra, IN;
Anand Jagannath Desai, Maharashtra, IN;
Navneet Vinodrai Mehta, Maharashtra, IN;
Shrikant Hambirrao Rane, Maharashtra, IN;
Jagdish Chand Saigal, Maharashtra, IN;
Rajender Pershad Gupta, Maharashtra, IN;
Vilas Vasant Pandit, Maharashtra, IN;
Anand Jagannath Desai, Maharashtra, IN;
Navneet Vinodrai Mehta, Maharashtra, IN;
Shrikant Hambirrao Rane, Maharashtra, IN;
Abstract
A process for the preparation of hydroxy(cycloalkane/cyclokene) phenylethyl amine of the general formula (III) comprising alkylation of its precursor amine of general formula (II) which is in turn produced by an effective reduction process from its precursor cyanide having the general formula (I) using Raney Nickel (CORMIII) as catalyst where, either of R5 and R6 independently could be in meta or para position and R5, R6 are independently hydrogen, hydroxyl, alkyl, alkanoyloxy, cyano, nitro, alkylmercapto, amino, alkylamino, allkanamido, halo, trifluoromethyl, or taken together methylenedioxy, n is 0, 1, 2, 3, 4, R7 is hydrogen of alkyl of 1–7 carbon atom, R1 IH or alkyl of 1–3 carbon atom and R2 is alkyl 1–3 carbon atom, the dotted line represents optional unsaturation. Compounds of formulae IV, V and VI are respectively derivatives of compounds I, II and III respectively.