Process for the preparation of vanillin from agricultural waste

Details Process for the preparation of vanillin from agricultural waste Process for the preparation of vanillin from agricultural waste

2008-07-15

2008-07-15

Witherspoon, Sikarl A. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S438000

Reexamination Certificate

active

11705611

ABSTRACT:
The present invention provides a process for the preparation of Vanillin (4-hydroxy-3-methoxy benzaldehyde) by a single-step oxidation of ferulate moiety of rice straw, a renewable agricultural waste. This is a chemical method where vanillin is produced from a renewable resource in a single-step using a green oxidizing reagent and green solvent. Apart from that the water and the inorganic compounds can be recycled.

REFERENCES:
patent: 6372461 (2002-04-01), Frost
Herrman et al. Methyltrioxorhenium: oxidative cleavage of CC-double bonds and its application in a highly efficient synthesis of vanillin from biological waste. Journal of Molecular Catalysis A: Chemical vol. 153 (2000), pp. 49-52.

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