Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate

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Chemical Name:   Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate 
CAS.NO: 147118-35-2
Synonyms:
(R)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxo]-5-oxo-6-(triphenylphosphoranylidene)-methyl hexanoate
methyl-(3R)-3-[(terbutyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidene hexanoate
methyl (3R)-3[[tert-butyl-(dimethyl)silyl]oxy]-5-oxo-6-(triphenylphosphoranylidine)hexanoate
3-(tert-butyldimethylsilanyloxy)-5-oxo-6-(triphenylphosphanylidene)hexanoic acid methyl ester
(3R)-3-(tert-butyldiMethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate Methyl ester

Molecular Formula: C31H39O4PSi
Molecular Weight:  534.69800

Physical and Chemical Properties:
Density: 1.1 g/cm3
Boiling point: 603.9ºC at 760 mmHg
Melting point: 77.5-78.5ºC
Flash point: 319ºC
Refractive index: 1.553

Specification:
Appearance: White or light yellow crystalline powder
Purity:≥98.0%
Loss on drying:≤2.0%
Single impurity: 1.0%max
Specific optical rotation:Between -5.2º to-7.2º

Packing:
 25kg  cardboard drum or according to customer specified requirements
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Application: 
 Intermediates of Rosuvastatin CAS:287714-41-4.

Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate


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