Dr. Reddy's Laboratories, Incorporated

Rajeswar Reddy Sagyam

Srinivas Katkam

Javed Iqbal

Babu Ireni

Srinivas Oruganti

Bhaskar Kandagatla

Srinivasulu Gudipati

Krishna Vinigari

Suresh Kumar Ramdoss

Srinivasulu Rangineni

Raghavendar Rao Morthala

Arjunkumar Tummala

Satyanarayana Reddy Manne

Nagaraju Chakilam

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

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

Rajeswar Reddy Sagyam