Method for producing olefin compound

Details Method for producing olefin compound Method for producing olefin compound

2011-07-26

2011-07-26

Davis, Brian J (Department: 1621)

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

Organic compounds

Carboxylic acid esters

C549S434000

Reexamination Certificate

active

07985872

ABSTRACT:
A method for producing an olefin compound represented by the formula (2):wherein R1and R2are the same or different, and independently represent an alkyl group or the like, with the proviso that R1and R2are not hydrogen atoms at the same time, R3represents an alkyl group or the like, which comprises contacting a palladium catalyst with an α,β-unsaturated aldehyde compound represented by the formula (1):wherein R1, R2and R3are the same as defined above, in the presence of an inorganic base.

REFERENCES:
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N. Hoffman et al., “Palladium-Catalyzed Decarbonylation of trans-alpha-Substituted Cinnamaldehydes”, J. Org. Chem., 27, (1962), pp. 2687-2689.
Bensadat, Abdelkader et al., Synthesis of diethyl3- (trifluoromethyl) glutamate, Bulletin de la Societe Chimiquede France, (1996), 133 (5), pp. 509-514.
Laurent, A. et al., Synthesis of trifluoromethyl alkenes andalkynes. Trifluoromethyl captodative olefins, TetrahedronLetters, (1991), 32 (26), pp. 3071-3074.

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