Method for producing monoalkenyl benzene

Details Method for producing monoalkenyl benzene Method for producing monoalkenyl benzene

1996-08-23

1998-09-22

Griffin, Walter D.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

Having alkenyl moiety, e.g., styrene, etc.

C07C 1542

Patent

active

058116117

ABSTRACT:
A method for producing a monoalkenyl benzene including reacting an alkyl benzene having 7 to 10 carbon atoms with a conjugated diene compound having 4 to 6 carbon atoms in the presence of a particular catalyst. The particular catalyst is obtained by depositing at least one of sodium, potassium, sodium amide, and potassium amide on a support made of a compound represented by the formula of K.sub.2 O.xAl.sub.2 O.sub.3 wherein x is 0.5.ltoreq.x.ltoreq.11, to obtain a precursor of a catalyst, and contacting the precursor of a catalyst with at least one of water, an alcohol, and a phenol. The precursor of the catalyst may be contacted with hydrogen before contacted with at least one of water, an alcohol, and a phenol.

REFERENCES:
patent: 5436381 (1995-07-01), Takagawa et al.
patent: 5444172 (1995-08-01), Takagawa et al.
patent: 5527977 (1996-06-01), Takagawa et al.

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