Product Name

  • Name

    1-Methyl-4-(methylsulfonyl)-benzene

  • EINECS 221-682-8
  • CAS No. 3185-99-7
  • Article Data336
  • CAS DataBase
  • Density 1.154 g/cm3
  • Solubility 不溶于水,溶于醇,醚等有机溶剂。
  • Melting Point 85-89 °C(lit.)
  • Formula C8H10O2S
  • Boiling Point 311.7 °C at 760 mmHg
  • Molecular Weight 170.232
  • Flash Point 173.4 °C
  • Transport Information
  • Appearance White to light beige crystalline powder
  • Safety 26-36
  • Risk Codes 22-37/38-41
  • Molecular Structure Molecular Structure of 3185-99-7 (1-Methyl-4-(methylsulfonyl)-benzene)
  • Hazard Symbols HarmfulXn,FlammableF
  • Synonyms Sulfone,methyl p-tolyl (6CI,7CI,8CI);(p-Tolylsulfonyl)methane;1-(Methylsulfonyl)-4-methylbenzene;1-Methyl-4-(methylsulfonyl)benzene;4-Methylphenyl methyl sulfone;4-Methylsulfonyltoluene;Methyl 4-methylphenylsulfone;Methyl 4-tolyl sulfone;Methyl p-methylphenyl sulfone;NSC 2722;NSC 29038;p-(Methylsulfonyl)toluene;p-Tolyl methyl sulfone;
  • PSA 42.52000
  • LogP 2.47930

Synthetic route

4-methylphenyl methylsulfide
623-13-2

4-methylphenyl methylsulfide

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With HOF* CH3CN In chloroform; water100%
With silica gel; magnesium monoperoxyphthalate hexahydrate In dichloromethane for 1.16667h; Heating;100%
With sodium tungstate (VI) dihydrate; dihydrogen peroxide In methanol; water at 40℃;100%
(3aS,4aS,6S,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-(toluene-4-sulfonyl)-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole
97673-24-0

(3aS,4aS,6S,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-(toluene-4-sulfonyl)-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole

1,1-dibromomethane
74-95-3

1,1-dibromomethane

(3aS,4aS,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-methylene-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole
97466-31-4

(3aS,4aS,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-methylene-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole

B

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
Stage #1: (3aS,4aS,6S,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-(toluene-4-sulfonyl)-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole With n-butyllithium In tetrahydrofuran; hexane at -100 - -73℃;
Stage #2: 1,1-dibromomethane In tetrahydrofuran; hexane at -99 - -63℃;
A 96.4%
B n/a
toluene-4-sulfonic acid hydrazide
1576-35-8

toluene-4-sulfonic acid hydrazide

methyl iodide
74-88-4

methyl iodide

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With sodium acetate In ethanol for 15h; Heating;95%
4-tolyl iodide
624-31-7

4-tolyl iodide

sodium methansulfinate
20277-69-4

sodium methansulfinate

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With copper(l) iodide In dimethyl sulfoxide for 24h; Heating;95%
With copper(l) iodide; sodium L-prolinate In dimethyl sulfoxide at 80℃; for 24h;93%
With potassium phosphate; copper(l) iodide; (2S,4R)-4-hydroxy-N-(2-methylnaphthalen-1-yl)pyrrolidine-2-carboxamide In dimethyl sulfoxide at 120℃; Sealed tube; Inert atmosphere;90%
p-toluenesulfonyl fluoride
455-16-3

p-toluenesulfonyl fluoride

methyllithium
917-54-4

methyllithium

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
In tetrahydrofuran at -78℃; for 0.333333h;94%
4-methylphenyl methylsulfide
623-13-2

4-methylphenyl methylsulfide

A

Methyl p-tolyl sulfoxide
934-72-5

Methyl p-tolyl sulfoxide

B

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With chloro-trimethyl-silane In acetonitrile at -15℃; for 11h; Oxidation;A 93%
B 2 % Spectr.
With dihydrogen peroxide; titanium binaphthyl-bridged Schiff base at 4℃; for 6h; Product distribution; Further Variations:; Temperatures;A 92%
B 8%
With potassium sulfate; potassium hydrogensulfate; potassium peroxomonosulfate; N-(p-nitrobenzylidene)benzenesulfonamide; potassium carbonate; potassium hydrogencarbonate In dichloromethane at 25℃; for 0.5h; Product distribution; other sulfides; var. equiv of oxone; var. time;A 91%
B 5%
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

(3aS,4aS,6S,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-(toluene-4-sulfonyl)-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole
97673-24-0

(3aS,4aS,6S,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-(toluene-4-sulfonyl)-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole

1,1-dibromomethane
74-95-3

1,1-dibromomethane

(3aR,4aR,6S,7R,7aR,7bR)-6-Butyl-7-((Z)-6-chloro-hex-2-enyl)-2,2-dimethyl-6-(toluene-4-sulfonyl)-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole

(3aR,4aR,6S,7R,7aR,7bR)-6-Butyl-7-((Z)-6-chloro-hex-2-enyl)-2,2-dimethyl-6-(toluene-4-sulfonyl)-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole

(3aS,4aS,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-methylene-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole
97466-31-4

(3aS,4aS,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-methylene-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole

C

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
Stage #1: (3aS,4aS,6S,7S,7aS,7bS)-7-((Z)-6-Chloro-hex-2-enyl)-2,2-dimethyl-6-(toluene-4-sulfonyl)-hexahydro-cyclopenta[4,5]furo[2,3-d][1,3]dioxole With n-butyllithium In tetrahydrofuran; hexane at -68 - -48℃;
Stage #2: n-butyllithium; 1,1-dibromomethane In tetrahydrofuran; hexane at -68 - -55℃;
A 1.1%
B 91.3%
C 3.6%
Methyl p-tolyl sulfoxide
934-72-5

Methyl p-tolyl sulfoxide

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With potassium superoxide; 2-Nitrobenzenesulfonyl chloride In acetonitrile at -30℃; for 6h;90%
With 3-chloro-benzenecarboperoxoic acid75%
With iodoxybenzene; bis(acetylacetonate)oxovanadium In benzene Heating;70%
4-methylphenyl methylsulfide
623-13-2

4-methylphenyl methylsulfide

A

(R)-methyl p-tolyl sulfoxide
1519-39-7

(R)-methyl p-tolyl sulfoxide

B

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With titanium(IV) isopropylate; Cumene hydroperoxide; C22H30O12 In dichloromethane; water at -20℃; for 1h; Kinetics; Reagent/catalyst; Concentration; Time; Solvent; Inert atmosphere; enantioselective reaction;A 90%
B n/a
Stage #1: 4-methylphenyl methylsulfide With bis(acetylacetonate)oxovanadium; (R)-2-((1-hydroxy-3,3-dimethylbutan-2-ylimino)methyl)-4,6-diiodophenol In chloroform at 20℃; for 0.5h;
Stage #2: With dihydrogen peroxide In chloroform at 0℃; for 48h;
A 82%
B n/a
With titanium(IV) isopropylate; diethyl (2R,3R)-tartrate; 1-(5-methylfuran-2-yl)hept-1-yl hydroperoxide In dichloromethane at 20℃; for 22h;A 61%
B 30%
Stage #1: 4-methylphenyl methylsulfide With titanium(IV) isopropylate; C51H54N2O4 In methanol; dichloromethane; water at 20℃; for 0.333333h; Inert atmosphere;
Stage #2: With dihydrogen peroxide In methanol; dichloromethane; water at 0℃; for 1.5h; Inert atmosphere; enantioselective reaction;
A n/a
B n/a
methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

toluene
108-88-3

toluene

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With phosphorus pentoxide at 170℃; for 0.5h; Large scale;90%
di-tert-butyl peroxide
110-05-4

di-tert-butyl peroxide

sodium 4-methylbenzenesulfinate
824-79-3

sodium 4-methylbenzenesulfinate

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
In water at 80℃; for 12h; Sealed tube;89%
With water at 110℃; for 12h; Sealed tube; Green chemistry;89%
4-methylphenyl methylsulfide
623-13-2

4-methylphenyl methylsulfide

A

(S)-methyl p-tolyl sulfoxide
5056-07-5

(S)-methyl p-tolyl sulfoxide

B

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With dihydrogen peroxide; chiral Fe(III) salan complex at 20℃; for 3h;A 88%
B 9 % Spectr.
With phosphate buffer; dihydrogen peroxide; chiral Al(salalen) In methanol at 20℃; for 24h;A 82%
B 9 % Spectr.
With tert.-butylhydroperoxide In tetrachloromethane; water at 20℃; for 20h; optical yield given as %ee; enantioselective reaction;A 62%
B n/a
toluene-4-sulfonic acid hydrazide
1576-35-8

toluene-4-sulfonic acid hydrazide

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With copper(II) bis(trifluoromethanesulfonate) In water at 120℃; for 12h; Reagent/catalyst; Temperature; Inert atmosphere; Green chemistry;88%
methanesulfonic acid
75-75-2

methanesulfonic acid

toluene
108-88-3

toluene

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With phosphorus pentoxide at 130℃; for 1h; Temperature; Large scale;88%
sodium 4-methylbenzenesulfinate
824-79-3

sodium 4-methylbenzenesulfinate

methyl iodide
74-88-4

methyl iodide

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With 1-butyl-3-methylimidazolium Tetrafluoroborate In water at 25℃; for 24h;87%
In water; N,N-dimethyl-formamide for 0.025h; Ambient temperature; Irradiation;85%
In ethanol85%
p-toluenesulfonyl fluoride
455-16-3

p-toluenesulfonyl fluoride

methylmagnesium chloride
676-58-4

methylmagnesium chloride

A

bis(4-methylphenylsulfonyl)methane
15310-28-8

bis(4-methylphenylsulfonyl)methane

B

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
In tetrahydrofuran for 19h; Ambient temperature;A 8%
B 87%
tosylacetic acid
3937-96-0

tosylacetic acid

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With 2-Methylcyclopentanone; benzylamine In acetic acid for 1.5h; Heating;86%
With potassium hydroxide
p-toluenesulfonyl fluoride
455-16-3

p-toluenesulfonyl fluoride

methylcopper
1184-53-8

methylcopper

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
In tetrahydrofuran for 18h; Ambient temperature;86%
4-methylphenyl methylsulfide
623-13-2

4-methylphenyl methylsulfide

A

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

1-((S)-Methanesulfinyl)-4-methyl-benzene

1-((S)-Methanesulfinyl)-4-methyl-benzene

Conditions
ConditionsYield
With dihydrogen peroxide; (Ra,S,S,Ra)-Al(salalen) In phosphate buffer at -10℃; pH=7.4;A n/a
B 86%
methylene chloride
74-87-3

methylene chloride

sodium 4-methylbenzenesulfinate
824-79-3

sodium 4-methylbenzenesulfinate

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
at 20 - 90℃; under 3750.38 - 19502 Torr; Temperature; Concentration; Autoclave;85.3%
methyllithium
917-54-4

methyllithium

1-<(4-Methylphenylsulfonyloxy)methyl>bicyclo<3.3.1>nonan-2-on
74510-24-0

1-<(4-Methylphenylsulfonyloxy)methyl>bicyclo<3.3.1>nonan-2-on

A

1-(Hydroxymethyl)bicyclo<3.3.1>nonan-2-on
74510-23-9

1-(Hydroxymethyl)bicyclo<3.3.1>nonan-2-on

B

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
In diethyl ether; hexane for 3h; Heating;A 47%
B 85%
methylene chloride
74-87-3

methylene chloride

methyl p-toluene sulfinate
672-78-6

methyl p-toluene sulfinate

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
Stage #1: methyl p-toluene sulfinate With sodium hydroxide In water at 80℃; for 3h;
Stage #2: methylene chloride In water at 90℃; under 3000.3 Torr; Temperature; Autoclave;
83.54%
para-bromotoluene
106-38-7

para-bromotoluene

sodium methansulfinate
20277-69-4

sodium methansulfinate

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With copper(l) iodide In dimethyl sulfoxide for 36h; Heating;83%
sodium methansulfinate
20277-69-4

sodium methansulfinate

bis(4-methylphenyl)iodonium trifluoromethanesulfonate
123726-16-9

bis(4-methylphenyl)iodonium trifluoromethanesulfonate

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With PEG-400 at 50℃; for 0.5h; Microwave irradiation; Sealed tube;83%
4-bromoohenyl methyl sulfone
3466-32-8

4-bromoohenyl methyl sulfone

methyl p-toluene sulfonate
80-48-8

methyl p-toluene sulfonate

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With nickel(II) iodide; 4,4'-dimethyl-2,2'-bipyridines; tetra-(n-butyl)ammonium iodide; magnesium chloride; zinc In N,N-dimethyl acetamide at 20℃; for 12h; Inert atmosphere; Schlenk technique; Sealed tube;83%
trimethyl phosphite
512-56-1

trimethyl phosphite

4-tolyl iodide
624-31-7

4-tolyl iodide

Methyl p-tolyl sulfone
3185-99-7

Methyl p-tolyl sulfone

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium dithionite; tetrabutylammomium bromide In dimethyl sulfoxide at 120℃; for 15h;82%

Methyl p-tolyl sulfone Specification

The Methyl p-tolyl sulfone, with the CAS registry number 3185-99-7, is also known as p-(Methylsulphonyl)toluene. It belongs to the product categories of Boron, Nitrile, Thio & TM-Cpds. Its EINECS registry number is 221-682-8. This chemical's molecular formula is C8H10O2S and molecular weight is 170.23. What's more, both its IUPAC name and systematic name are the same which is called 1-Methyl-4-methylsulfonylbenzene.

Physical properties about Methyl p-tolyl sulfone are: (1)ACD/LogP: 0.96; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.96; (4)ACD/LogD (pH 7.4): 0.96; (5)ACD/BCF (pH 5.5): 3.16; (6)ACD/BCF (pH 7.4): 3.16; (7)ACD/KOC (pH 5.5): 79.3; (8)ACD/KOC (pH 7.4): 79.3; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 42.52 Å2; (13)Index of Refraction: 1.519; (14)Molar Refractivity: 44.81 cm3; (15)Molar Volume: 147.4 cm3; (16)Surface Tension: 36.1 dyne/cm; (17)Density: 1.154 g/cm3; (18)Flash Point: 173.4 °C; (19)Enthalpy of Vaporization: 53.06 kJ/mol; (20)Boiling Point: 311.7 °C at 760 mmHg; (21)Vapour Pressure: 0.00102 mmHg at 25 °C.

Preparation of Methyl p-tolyl sulfone: this chemical can be prepared by 1-Methyl-4-methylsulfanyl-benzene. The reaction occurs with reagent acetonitrile and other condition of heating for 5 hours. The yield is 91 %.

Methyl p-tolyl sulfone can be prepared by 1-Methyl-4-methylsulfanyl-benzene.

Uses of Methyl p-tolyl sulfone: (1) It is used as medicine, dye, veterinary medicine and synthetic intermediates; (2) it is used to produce other chemicals. For example, it can produce1-Bromomethyl-4-methanesulfonyl-benzene. This reaction needs reagents N-bromosuccinimide and AIBN at temperature of 60-65 °C. The reaction time is 1 hour. The yield is 77 %.

Methyl p-tolyl sulfone can produce1-Bromomethyl-4-methanesulfonyl-benzene.

When you are dealing with this chemical, you should be very careful. This chemical may catch fire in contact with air, only need brief contact with an ignition source and have a very low flash point or evolve highly flammable gases in contact with water. It is irritating to respiratory system and skin. It has serious damage to eyes. Therefore, you should wear suitable protective clothing. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: O=S(=O)(c1ccc(cc1)C)C
(2) InChI: InChI=1S/C8H10O2S/c1-7-3-5-8(6-4-7)11(2,9)10/h3-6H,1-2H3
(3) InChIKey: YYDNBUBMBZRNQQ-UHFFFAOYSA-N

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