Scinopharm Taiwan, Ltd.

Lung-Huang Kuo

Li-Ting Wang

Yuan-Xiu Liao

Wen-Li Shih

Shang-Hong Chen

Ming-Feng Wu

Hsiao-ping Fang

Yu-Sheng Chang

The present invention provides improved processes of preparing Fondaparinux sodium comprising converting a compound of formula ABCDE4 to Fondaparinux sodium at a reaction pH of no more than about 9.0. In some embodiments, the intermediates for the synthesis of Fondaparinux sodium, are also provided.

Process for the production of Fondaparinux sodium

The present invention provides intermediates for preparing abiraterone, and processes for preparing abiraterone and intermediates thereof. The intermediates include a compound of formula (IV): wherein R represents a hydroxy-protecting group.

Process for the preparation of abiraterone and intermediates thereof

The present invention provides novel processes for the preparation of Fondaparinux sodium by using the compound of formula ABC5  In some embodiments, the intermediates for the synthesis of Fondaparinux sodium, are also provided.

Process for the production of fondaparinux sodium

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Tainan, Taiwan

Lung-Huang Kuo