Processes to produce intermediates for rosuvastatin

Details Processes to produce intermediates for rosuvastatin Processes to produce intermediates for rosuvastatin

2007-01-09

2007-01-09

Solola, Taofiq (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C549S375000

Reexamination Certificate

active

11157552

ABSTRACT:
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.

REFERENCES:
patent: 5260440 (1993-11-01), Hirai et al.
patent: 097614 (2003-11-01), None

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