Method for preparing cyclohexyl phenyl ketone from...

Details Method for preparing cyclohexyl phenyl ketone from... Method for preparing cyclohexyl phenyl ketone from...

2005-04-19

2005-04-19

Richter, Johann (Department: 1621)

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

Organic compounds

Oxygen containing

C568S316000, C568S317000, C568S318000, C568S321000, C568S329000

Reexamination Certificate

active

06881865

ABSTRACT:
Disclosed is a synthesis method of cyclohexyl phenyl ketone with a high selectivity and a high yield from 1,3-butadiene and acrylic acid in the presence or absence of benzene or a non-aromatic organic solvent in the same reaction without a step of separating or purifying intermediates, the synthesis method including sequentially carrying out a [2+4] Diels-Alder reaction, a hydrogenation reaction, a chlorination reaction and a Friedel-Crafts reaction in the presence/absence of benzene or a non-aromatic organic solvent without separation of intermediates.

REFERENCES:
patent: 3660491 (1972-05-01), Thigpen et al.
patent: 4950763 (1990-08-01), Schommer et al.
patent: 1030003 (1966-05-01), None
patent: 1063268 (1967-03-01), None
Cope et al., “N,N-Dimethylcyclohexylmethylamine”, Organic Syntheses, vol. IV, pp. 339-342.

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