Monday, March 19, 2012

What is 3,3-Dimethylbutyraldehyde?

3,3-Dimethylbutyraldehyde
Molecular Formula C6H12O
Molecular Weight 100.16
CAS Registry Number 2987-16-8
Density 0.798
Boiling point 104-106 ºC
Refractive index 1.397
Flash point 51 ºF
Physical Appearance: Colorless to light yellow liquid
Description
3,3-Dimethylbutyraldehyde is an intermediate for the synthesis of 3-tert-butylpyridine.
The preparation of 3,3-dimethylbutyraldehyde in accordance with one embodiment of the invention comprises mixing 3,3-dimethyl-1,2-epoxybutane with a basic lithium salt for a period of time and at a sufficient pressure and temperature to form 3,3-Dimethylbutyraldehyde. Generally, the temperature of the reaction is held between about 0° C. to about 20° C. and the reaction pressure can be atmospheric. However, any reaction temperature and pressure may be employed that results in the production of 3,3-dimethylbutyraldehyde. The reaction time is typically between about 2 and about 24 hours.
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