Laurus Labs Private Limited

Venkata S Indukuri

Seeta Raman Gorantla

Kameswar Rao Chivukula

Satyanarayana Chava

Venkata R Murthy

Ravindra Babu Bollu

Venkata Rama Krishna Murthy Moturu

Vamsee Krishna Muppidi

Srinivas Simhadri

Sree Rambabu Joga

Dharmapuri Gajula

Bala Muralikrishna Madivada

Veera Venkateswara Rao Karuturi

Subha Nair Velayudhan

Srinivas Benda

Ramachandra Anke

Yaseen Mohammad

Seeta Ram Anjaneyulu Gorantla

Venkata S Kallam

The present invention provides a process for the preparation of darunavir or solvates or a pharmaceutically acceptable salt thereof substantially free of bisfuranyl impurities, particularly darunavir propionate solvate. The present invention also provides a process for preparation amorphous darunavir using the darunavir propionate solvate.

Process for preparation of Darunavir

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.

Process for the preparation of Enzalutamide

The present invention provides processes for preparation of eptifibatide that involve coupling of amino acids in a (2+5), (4+3) and (3+4) sequence method. The invention further provides products produced by the described processes, novel compounds that can be used as synthetic intermediates for the preparation of eptifibatide.

Process for preparing eptifibatide

Disclosed are solid forms of antiretroviral compounds and anti-oxidative acids, and processes for their preparation. Pharmaceutical compositions using the solid forms are also disclosed.

Solid forms of antiretroviral compounds, process for the preparation and their pharmaceutical composition thereof

Disclosed is a process for the preparation of montelukast sodium. The process comprises a) reacting 2-(2-(3(S)-(3-(2-(7-chloro-2-quinolinyl)-ethenyl)phenyl)-3-hydroxypropyl)phenyl)-2-propanol with methane sulfonyl chloride and coupling the resultant mesylate compound with 1-(mercaptomethyl)cyclopropane acetic acid in presence of a base and free alkali source followed by saltification with an amine in a single step reaction and b) converting the montelukast amine salt to montelukast sodium salt.

Process for preparation of montelukast sodium

Provided are a process for preparation of darunavir or solvates or a pharmaceutically acceptable salt thereof substantially free of bisfuranyl impurities and a process for preparation of amorphous darunavir using the darunavir propionate solvate.

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Hyderabad Telangana, India

Venkata S Indukuri