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.

Date of Patent:
Apr. 21, 2020

Filed:

Sep. 18, 2018
Applicant:

Laurus Labs Ltd., Hyberadad, IN;

Inventors:

Kameswar Rao Chivukula, Hyderabad, IN;

Veera Venkateswara Rao Karuturi, Hyderabad, IN;

Srinivas Benda, Hyderabad, IN;

Ramachandra Anke, Hyderabad, IN;

Dharmapuri Gajula, Hyderabad, IN;

Venkata Rama Krishna Murthy Moturu, Hyderabad, IN;

Venkata Sunil Kumar Indukuri, Hyderabad, IN;

Seeta Rama Anjaneyulu Gorantla, Hyderabad, IN;

Satyanarayana Chava, Hyderabad, IN;

Assignee:

Laurus Labs Limited, Andhra Pradesh, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 233/86 (2006.01); C07C 331/28 (2006.01); C07C 333/08 (2006.01); C07C 335/22 (2006.01); C07C 335/26 (2006.01); C07C 22/08 (2006.01); C07C 25/13 (2006.01); C07C 255/49 (2006.01);
U.S. Cl.
CPC ...
C07D 233/86 (2013.01); C07C 22/08 (2013.01); C07C 25/13 (2013.01); C07C 255/49 (2013.01); C07C 331/28 (2013.01); C07C 333/08 (2013.01); C07C 335/22 (2013.01); C07C 335/26 (2013.01); C07C 2601/16 (2017.05);
Abstract

The present invention relates to an improved process for the preparation of enzalutamide by conventional synthesis, which avoids utilization of microwave irradiation and noxious reagents. The present invention also relates to an improved process for preparation of 4-isothiocyanato-2-(trifluoromethyl) benzonitrile, which is an intermediate in the synthesis of Enzalutamide.


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