Method for producing deoxybenzoins

Details Method for producing deoxybenzoins Method for producing deoxybenzoins

2005-03-15

2005-03-15

Richter, Johann (Department: 1621)

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

Organic compounds

Oxygen containing

C568S335000, C568S337000

Reexamination Certificate

active

06867331

ABSTRACT:
The invention describes a process for the preparation of 1,2-diarylethanones by reaction of an arylacetonitrile and an aromatic compound and hydrolysis of the ketimine compound formed, where the solvent used for the reaction is at least one dialkyl ether of a mono- or polyalkylene glycol or a cyclic ether having at least two oxygen atoms. The process produces good yields at room temperature, and drying of the solvent is not required.

REFERENCES:
patent: 3855301 (1974-12-01), Rizzi
patent: 1294114 (2001-05-01), None
Hull et al., J. Org. Chem. 10, 288-291 (1945).
Pelter et al., Synthesis, 1793-1802 (1998).

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