Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
165 words
A process for the preparation of an alkylthiomethylphenol of the formula ##STR11## comprising reacting at a temperature of about 70° to 170° C an aminomethylphenol of the formula ##STR12## with a thiocarboxylic acid S-ester of the formula ##STR13## in which R 1 is alkyl with 1 to 12 carbon atoms or alkoxyalkyl with from 1 to 6 carbon atoms in each alkyl moiety, benzyl, phenyl or phenyl carrying at least one C 1-6 alkyl or halogen substituent, R 2 and R 3 each independently is hydrogen, alkyl with 1 to 5 carbon atoms, halogen or nitro, or together form a benzene ring or cycloalkane ring with 3 to 5 carbon atoms which is fused to the phenyl ring, R 4 and R 5 each independently is alkyl with 1 to 6 carbon atoms, or together with the nitrogen atom form a five or six-membered heterocyclic ring, R 6 is hydrogen or alkyl with 1 to 6 carbon atoms, and n is 1, 2 or 3.
Claim 2
Dependent Claim
165 words
A process for the preparation of an alkylthiomethylphenol of the formula ##STR11## comprising reacting at a temperature of about 70° to 170° C an aminomethylphenol of the formula ##STR12## with a thiocarboxylic acid S-ester of the formula ##STR13## in which R 1 is alkyl with 1 to 12 carbon atoms or alkoxyalkyl with from 1 to 6 carbon atoms in each alkyl moiety, benzyl, phenyl or phenyl carrying at least one C 1-6 alkyl or halogen substituent, R 2 and R 3 each independently is hydrogen, alkyl with 1 to 5 carbon atoms, halogen or nitro, or together form a benzene ring or cycloalkane ring with 3 to 5 carbon atoms which is fused to the phenyl ring, R 4 and R 5 each independently is alkyl with 1 to 6 carbon atoms, or together with the nitrogen atom form a five or six-membered heterocyclic ring, R 6 is hydrogen or alkyl with 1 to 6 carbon atoms, and n is 1, 2 or 3.
Claim 3
Dependent Claim
59 words
A process according to claim 1, in which R 1 is C 1 -C 6 alkyl, alkoxyalkyl with from 1 to 6 carbon atoms in each alkyl moiety, benzyl, phenyl or phenyl carrying at least one C 1-6 alkyl or halogen substituent, and R 2 and R 3 each independently is hydrogen, C 1 -C 4 alkyl or chlorine.
Claim 4
Dependent Claim
34 words
A process according to claim 1, in which R 4 and R 5 each independently is C 1 -C 4 alkyl or together are C 4 H 8 or C 5 H 10 .
Claim 5
Dependent Claim
16 words
A process according to claim 1, in which R 6 is C 1 -C 4 alkyl.
Claim 6
Dependent Claim
19 words
A process according to claim 1, in which the reaction is carried out in the presence of a solvent.
Claim 7
Dependent Claim
16 words
A process according to claim 1, in which the reaction is carried out under normal pressure.
Claim 8
Dependent Claim
18 words
A process according to claim 1, in which the reaction is carried out using phenol as a catalyst.
Claim 9
Dependent Claim
23 words
A process according to claim 1, in which about 0.5 to 3 moles of thiocarboxylic acid S-ester are employed per mole of aminomethylphenol.
Claim 10
Dependent Claim
45 words
A process according to claim 2, in which the reaction is carried out at a temperature from about 100° to 150° C, at about normal pressure, using phenol as a catalyst with about 0.9 to 1.5 moles of thiocarboxylic acid S-ester per mole of aminomethylphenol.