Dr. Reddy's Laboratories, Incorporated

Srinivas Katkam

Rajeshwar Reddy Sagyam

Rajeswar Reddy Sagyam

Krishna Vinigari

Srinivasulu Gudipati

Javed Iqbal

Babu Ireni

Srinivas Oruganti

Srinivas Polavarapu

Bhaskar Kandagatla

Satyanarayana Reddy Manne

Suresh Kumar Ramdoss

Nagaraju Chakilam

Jaya Satyanaraya Kudavalli

Srinivasulu Rangineni

Arjunkumar Tummala

Raghavendar Rao Morthala

Venkata Madhavi Yaddanapudi

Narasimha Rao Pagadala

The present application provide processes for the preparation of fingolimod and its pharmaceutically acceptable salts, process for the purification of fingolimod hydrochloride and process for the preparation of amorphous fingolimod hydrochloride.

Preparation of fingolimod and its salts

Aspects of the present application relate to a microcrystalline monoclinic form of asenapine maleate represented by structural Formula (I); processes for its preparation; and pharmaceutically acceptable dosage forms thereof. 

Asenapine maleate

Intermediate compounds for preparing rosuvastatin are prepared by a process comprising oxidizing hydroxy groups to aldehyde groups, using sodium hypochlorite and 2,2,6,6-tetramethyl piperidinyl oxy free radical (TEMPO) as a catalyst.

Processes to produce intermediates for rosuvastatin

The present invention relates to novel crystalline forms of atorvastatin calcium and to the methods of their production and isolation. More specifically, the present invention relates to novel Forms VI and VII of R&#x2014;(R*,R*)]-2(4-fluorophenyl)-B,d dihydroxy-5(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1-H-pyrrole-1-heptanoic- acid calcium salt and hydrates thereof and to methods of their preparation.

Crystalline forms VI and VII of Atorvastatin calcium

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Hyderabad Telangana, India

Srinivas Katkam