PROCESS FOR THE PREPARATION OF COBICISTAT INTERMEDIATES

Title:

PROCESS FOR THE PREPARATION OF COBICISTAT INTERMEDIATES

Document Type and Number:

WIPO Patent Application WO/2014/057498

Kind Code:

A3

Abstract:

The present invention relates to cobicistat intermediates, processes and further conversion to cobicistat with improved yield and quality.

Inventors:

RAMA SHANKAR
VADALI LAKSHMANA RAO
KONDA RAMESH BABU
JALDU RAVIKANTH
VEMAVARAPU GOVARDHANA PHANI SHARMA
PALLA VIJAY KUMAR
YERVA ESWARA REDDY

Application Number:

PCT/IN2013/000608

Publication Date:

June 19, 2014

Filing Date:

October 07, 2013

Export Citation:

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Assignee:

MYLAN LAB LTD (IN)
RAMA SHANKAR
VADALI LAKSHMANA RAO
KONDA RAMESH BABU
JALDU RAVIKANTH
VEMAVARAPU GOVARDHANA PHANI SHARMA
PALLA VIJAY KUMAR
YERVA ESWARA REDDY

International Classes:

C07D417/12; C07C307/06; C07D203/24

Domestic Patent References:

WO2010115000A2

2010-10-07

Other References:

JOANNE HANNAM ET AL: "Rapid and Selective Synthesis of Substituted 1,2,5-Thiadiazolidine 1,1-Dioxides", SYNLETT, vol. 2006, no. 6, 1 April 2006 (2006-04-01), pages 833 - 836, XP055097678, ISSN: 0936-5214, DOI: 10.1055/s-2006-939039
DATABASE REGISTRY [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; 30 September 2009 (2009-09-30), AURORA FINE CHEMICALS LLC, 7929-SILVERTON AVENUE, SUITE 609, SANDIEGO, CA, 92126, USA: "Aurora Building Blocks", XP002719126, Database accession no. 1178000-69-5

Attorney, Agent or Firm:

NARAHARI, Babu Ambati (Anrich Industrial EstateBollaram, Jinnaram Mandal, Medak Dist, Andhra Pradesh, IN)

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