A method for producing a compound represented by formula (C) wherein R.sup.1 represents an amino group protected with a protecting group, the method comprising a step of subjecting a compound represented by formula (B) wherein R.sup.1 represents the same meaning as above, to intramolecular cyclization to convert the compound into the compound represented by formula (C). ##STR00001##

A method for producing a compound represented by formula (C) wherein R.sup.1 represents an amino group protected with a protecting group, the method comprising a step of subjecting a compound represented by formula (B) wherein R.sup.1 represents the same meaning as above, to intramolecular cyclization to convert the compound into the compound represented by formula (C). ##STR00001##

A method for producing a compound represented by formula (C) wherein R.sup.1 represents an amino group protected with a protecting group, the method comprising a step of subjecting a compound represented by formula (B) wherein R.sup.1 represents the same meaning as above, to intramolecular cyclization to convert the compound into the compound represented by formula (C). ##STR00001##

Disclosed is a method for treating water, including the extraction of at least two ionic species, the ionic species including an anionic species and a cationic species and being present in the water to be treated, the method especially including a step of mixing a liquid hydrophobic organic phase and the water to be treated, the water to be treated being in the liquid state, in order to subsequently obtain liquid treated water and a hydrophobic liquid organic phase loaded with the ionic species, and a step of thermal regeneration of the organic phase loaded with chemical species. Also disclosed are compounds and compositions that can be used in the method.

Disclosed is a method for treating water, including the extraction of at least two ionic species, the ionic species including an anionic species and a cationic species and being present in the water to be treated, the method especially including a step of mixing a liquid hydrophobic organic phase and the water to be treated, the water to be treated being in the liquid state, in order to subsequently obtain liquid treated water and a hydrophobic liquid organic phase loaded with the ionic species, and a step of thermal regeneration of the organic phase loaded with chemical species. Also disclosed are compounds and compositions that can be used in the method.

A compound of Formula (VI), wherein ‘n’ and ‘R’ are selected so that the compound comprises 1-acetyl-6-fluoro-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline of Formula (IX):

##STR00001##

A compound of Formula (VI), wherein ‘n’ and ‘R’ are selected so that the compound comprises 1-acetyl-6-fluoro-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline of Formula (IX):

##STR00001##

The present invention discloses a process for the synthesis of compound of formula (VII) or a salt thereof,

##STR00001##

wherein, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4a and R.sup.4b are as defined in the detailed description. The process further comprises the synthesis of an anthranilic diamide compound of formula (I).

The present invention discloses a process for the synthesis of compound of formula (VII) or a salt thereof,

##STR00001##

wherein, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4a and R.sup.4b are as defined in the detailed description. The process further comprises the synthesis of an anthranilic diamide compound of formula (I).

The subject matter described herein is directed to compounds, synergistic compositions, and methods for repelling arthropods, such as insects. The compositions comprise aryl and pyridyl-type compounds. The compounds demonstrate strong vapor and topical repellency when applied alone and in synergistic compositions.