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Calcium Acetate → Rosuvastatin Calcium

HRID 409626
Notes
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Reaction equation

HRID 409626 reaction equation
[CH3:1][CH:2]([C:4]1[N:9]=[C:8]([N:10]([S:12]([CH3:15])(=[O:14])=[O:13])[CH3:11])[N:7]=[C:6]([C:16]2[CH:17]=[CH:18][C:19]([F:22])=[CH:20][CH:21]=2)[C:5]=1/[CH:23]=[CH:24]/[C@@H:25]([OH:33])[CH2:26][C@@H:27]([OH:32])[CH2:28][C:29]([OH:31])=[O:30])[CH3:3].[K].[Ca:35].[Cl-].[Ca+2].[Cl-].C([O-])(=O)C.[Ca+2].C([O-])(=O)C.[OH-].[Ca+2].[OH-]>C(OCC)(=O)C.C1(C)C=CC=CC=1>[CH3:1][CH:2]([CH3:3])[C:4]1[C:5](/[CH:23]=[CH:24]/[C@H:25]([CH2:26][C@H:27]([CH2:28][C:29]([O-:31])=[O:30])[OH:32])[OH:33])=[C:6]([C:16]2[CH:21]=[CH:20][C:19]([F:22])=[CH:18][CH:17]=2)[N:7]=[C:8]([N:10]([CH3:11])[S:12]([CH3:15])(=[O:13])=[O:14])[N:9]=1.[CH3:1][CH:2]([CH3:3])[C:4]1[C:5](/[CH:23]=[CH:24]/[C@H:25]([CH2:26][C@H:27]([CH2:28][C:29]([O-:31])=[O:30])[OH:32])[OH:33])=[C:6]([C:16]2[CH:21]=[CH:20][C:19]([F:22])=[CH:18][CH:17]=2)[N:7]=[C:8]([N:10]([CH3:11])[S:12]([CH3:15])(=[O:13])=[O:14])[N:9]=1.[Ca+2:35]
ParticipantsProcedureSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 6116Calcium Acetate2×HCID 5284359Calcium ChlorideHCID 5460341CalciumHCID 6093208Calcium HydroxideHCID 24758243HCID 24758243, compound

Product 1

HCID 5282455Rosuvastatin Calcium

Reagents, catalysts & solvents 2

HCID 1140TolueneSolventHCID 8857Ethyl AcetateSolvent

Procedure

The rosuvastatin potassium salt obtained is further treated with mixture of toluene and ethyl acetate followed by treatment with suitable calcium source like calcium chloride, calcium acetate, calcium hydroxide and the like. In particular, calcium acetate is used to obtain rosuvastatin calcium salt. The isolated rosuvastatin calcium is in amorphous form.

Sources & evidence

ORD record
ord-4576a266c4144cb199ef921f97ed8560
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08759518B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes