Preparation of 5-aryloxy-1-chloro-3,3-dimethyl-2-pentanones

Details Preparation of 5-aryloxy-1-chloro-3,3-dimethyl-2-pentanones Preparation of 5-aryloxy-1-chloro-3,3-dimethyl-2-pentanones

1983-05-27

1985-01-22

Reamer, James H.

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

Organic compounds

Oxygen containing

568645, 568655, 568306, 568 43, 568 45, 568 47, 568586, 260465D, 564440, 564441, 560 53, C07C 4542

Patent

active

044953704

ABSTRACT:
A process for the preparation of a 5-aryloxy-1-chloro-3,3-dimethyl-2-pentanone of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is halogen, alkyl having 1 to 4 carbon atoms, alkoxy or alkylthio each having 1 to 2 carbon atoms, halogenoalkyl, halogenoalkoxy or halogenoalkylthio each having 1 to 2 carbon atoms and 1 to 5 halogen atoms, cyclohexyl, dialkylamino having 1 to 4 carbon atoms in each alkyl moiety, nitro, cyano, alkoxy-carbonyl having 1 to 4 carbon atoms in the alkyl moiety, phenyl or halophenyl, m and n each independently is an integer from 0 to 5, and m+n.ltoreq.5,
comprising reacting 1,1,5-trichloro-3,3-dimethyl-1-pentene of the formula ##STR2## with a phenol of the formula ##STR3## in the presence of a base in a diluent, to produce a compound of the formula ##STR4## and subjecting such reaction product to acid hydrolysis.

REFERENCES:
patent: 3322813 (1967-05-01), Seki et al.
patent: 3926989 (1975-12-01), Rebsdat et al.
patent: 4399309 (1983-08-01), Jaulelat et al.

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