1,3-diacetylbenzene
Methyltriphenylphosphonium bromide
1,3-bis(1-methylethenyl)-benzene
Conditions | Yield |
---|---|
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; Stage #2: 1,3-diacetylbenzene In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 68% |
Conditions | Yield |
---|---|
In diethyl ether; [D3]acetonitrile; water at 90℃; for 10h; Inert atmosphere; Schlenk technique; | A 6% B 65% |
B
1,3-bis(1-methylethenyl)-benzene
Conditions | Yield |
---|---|
at 180℃; for 0.166667h; Product distribution; Further Variations:; Temperatures; with or without irradiation; |
Conditions | Yield |
---|---|
sulfuric acid In 4-methyl-2-pentanone at 90℃; under 760.051 Torr; for 0.666667h; Product distribution / selectivity; |
Conditions | Yield |
---|---|
With 1,3-bis(tert-butyl(pyridin-2-yl)phosphanyl)propane; palladium(II) acetylacetonate; toluene-4-sulfonic acid for 20h; Sealed tube; Inert atmosphere; Autoclave; | 99% |
With platinum(II) bis(acetylacetonate); C28H36P2; toluene-4-sulfonic acid at 120℃; under 30402 Torr; for 20h; Sealed tube; Inert atmosphere; Autoclave; | 86% |
carbon monoxide
1,3-bis(1-methylethenyl)-benzene
Conditions | Yield |
---|---|
With sulfuric acid; α,α′-bis(2-pyridyl(tert-butyl)phosphino)-o-xylene; water; palladium(II) acetylacetonate; acetic acid at 20 - 100℃; under 30003 Torr; for 20h; Inert atmosphere; Autoclave; | 99% |
1,3-bis(1-methylethenyl)-benzene
2-pyridylmethyl formate
Conditions | Yield |
---|---|
With dodecacarbonyl-triangulo-triruthenium In tetrahydrofuran at 135℃; for 12h; | 91% |
With tetra-(n-butyl)ammonium iodide; dodecacarbonyl-triangulo-triruthenium In tetrahydrofuran at 90℃; for 12h; | 85% |
1,3-bis(1-methylethenyl)-benzene
Conditions | Yield |
---|---|
With chlorine azide In water; toluene at 20℃; for 0.0188889h; Flow reactor; | 91% |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In dichloromethane under 3750.38 Torr; for 19h; | 88% |
1,3-bis(1-methylethenyl)-benzene
ethenetetracarbonitrile
1,1,2,2,5,5,6,6-Octacyano-1,1a,2,3,5a,5,6,7-octahydro-4,8-dimethylphenanthrene
Conditions | Yield |
---|---|
In acetonitrile at 28℃; for 1h; | 87% |
1,3-bis(1-methylethenyl)-benzene
benzyl 2-triethylsilyl-2-oxoacetate
Conditions | Yield |
---|---|
With zinc(II) chloride In dichloromethane; water at 20℃; for 17h; Schlenk technique; | 82% |
1,3-bis(1-methylethenyl)-benzene
malononitrile
2-methyl-2-(3-(prop-1-en-2-yl)phenyl)cyclopropane-1,1-dicarbonitrile
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene; potassium carbonate In 1,2-dichloro-ethane at 50℃; for 1h; | 81% |
Conditions | Yield |
---|---|
With iodine In dimethyl sulfoxide at 80℃; for 6h; Sealed tube; Inert atmosphere; | 81% |
Conditions | Yield |
---|---|
In n-heptane; acetone | 80% |
Conditions | Yield |
---|---|
With C31H51N2ScSi2; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In toluene at 120℃; for 43h; Inert atmosphere; regioselective reaction; | 78% |
methanol
1,3-bis(1-methylethenyl)-benzene
A
1-(3-(1,1-dimethoxyethyl)phenyl)ethanone
B
1,3-diacetylbenzene
C
1-(3-(prop-1-en-2-yl)phenyl)ethanone
Conditions | Yield |
---|---|
With ozone at 20℃; for 3.26667h; | A 5% B 75% C 2% |
Conditions | Yield |
---|---|
With C31H51N2ScSi2; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In toluene at 120℃; for 38h; Inert atmosphere; regioselective reaction; | 73% |
1,3-bis(1-methylethenyl)-benzene
benzyl 2-trimethylsilyl-2-oxoacetate
Conditions | Yield |
---|---|
With zinc(II) chloride In dichloromethane; water at 20℃; for 2h; Schlenk technique; | 72% |
1,3-bis(1-methylethenyl)-benzene
2-(3-isopropenylphenyl)propan-1-ol
Conditions | Yield |
---|---|
Stage #1: 1,3-bis(1-methylethenyl)-benzene With dimethylsulfide borane complex In tetrahydrofuran at 0 - 20℃; Stage #2: With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran | 55% |
1,3-bis(1-methylethenyl)-benzene
N-(4-Methoxy-phenyl)-4-methyl-benzenesulfonamide
Conditions | Yield |
---|---|
With [n-Bu4N][BF4]; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,2-dichloro-ethane; acetonitrile at 20℃; for 2h; Electrolysis; Inert atmosphere; Electrochemical reaction; regioselective reaction; | 53% |
1,3-bis(1-methylethenyl)-benzene
2-oxopyrrolidine-1-carboxamide
BTMI
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In acetonitrile at 65℃; for 6h; Product distribution / selectivity; | 51% |
1,3-bis(1-methylethenyl)-benzene
phenylacetylene
1,3-bis(1-methyl-3-phenylcyclobut-2-en-1-yl)benzene
Conditions | Yield |
---|---|
With (acetonitrile)[2-di-tert-butyl(2′,4′,4′,6'-triisopropylbiphenyl)phosphine]gold(I) hexafluoroantimonate In dichloromethane at 20℃; for 20h; Inert atmosphere; regioselective reaction; | 48% |
1,3-bis(1-methylethenyl)-benzene
Conditions | Yield |
---|---|
With N-chloro-succinimide; chloro-trimethyl-silane; ytterbium(III) triflate In tetrahydrofuran; dichloromethane at 20℃; for 3h; Inert atmosphere; | A 47% B 20% |
1,3-bis(1-methylethenyl)-benzene
α-methoxycarbonylmaleic anhydride
1,5-Dicarbomethoxy-1,1a,2,3,5a,5,6,7-octahydro-4,8-dimethylphenanthrene-1,2,5,6-tetracarboxylic Acid Dianhydride
Conditions | Yield |
---|---|
In acetonitrile at 28℃; other condition: ether as solvent; Further byproducts given; | 45% |
1,3-bis(1-methylethenyl)-benzene
1-(3-(prop-1-en-2-yl)phenyl)ethanone
Conditions | Yield |
---|---|
Stage #1: 1,3-bis(1-methylethenyl)-benzene With ozone In methanol; dichloromethane at -78℃; Stage #2: With triphenylphosphine | 45% |
With dihydrogen peroxide; [Co4(SO4)3(F)3(2,4,6-tris-(4-pyridyl)-1,3,5-triazine)2(tatb)] In ethanethiol at 60℃; | 95 %Spectr. |
1,3-bis(1-methylethenyl)-benzene
Conditions | Yield |
---|---|
With ammonium iodide; potassium ethyl xanthogenate In water; dimethyl sulfoxide at 130℃; for 24h; Schlenk technique; | 41% |
maleic anhydride
1,3-bis(1-methylethenyl)-benzene
1,1a,2,3,5a,5,6,7-Octahydro-4,8-dimethylphenanthrene-1,2,5,6-tetracarboxylic Acid Dianhydride
Conditions | Yield |
---|---|
In acetonitrile for 18h; Heating; | 40% |
dodecacarbonyl-triangulo-triruthenium
1,3-bis(1-methylethenyl)-benzene
A
Ru3(CO)7(μ3-η(2):η(2):η(2)-C6H4-(η(2)-CCH3CH2)2-1,3)
Conditions | Yield |
---|---|
In octane refluxing (1.5 h); filtering, evapn. (reduced pressure), chromy. (CH2Cl2 / hexane = 1 : 4),extg. (CH2Cl2); | A 32% B 27% |
1,3-bis(1-methylethenyl)-benzene
dithiobenzoic acid sodium salt
C26H26S4
Conditions | Yield |
---|---|
With hydrogenchloride In n-heptane; water for 16h; | 27% |
dodecacarbonyl-triangulo-triruthenium
1,3-bis(1-methylethenyl)-benzene
Ru4(CO)9C6H4[C(CH3)CH2]2
Conditions | Yield |
---|---|
In octane thermolysis for 1.5 h; evapn., TLC; | 27% |
1,3-bis(1-methylethenyl)-benzene
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); oxygen In benzene at 55℃; under 5171.48 Torr; for 24h; | 26% |
IUPAC Name: 1,3-Bis(prop-1-en-2-yl)benzene
The MF of 1,3-Diisopropenylbenzene (CAS NO.3748-13-8) is C12H14.
The MW of 1,3-Diisopropenylbenzene (CAS NO.3748-13-8) is 158.24.
Synonyms of 1,3-Diisopropenylbenzene (CAS NO.3748-13-8): 1,3-Bis(1-methylethenyl)benzene ; Benzene, 1,3-bis(1-methylethenyl)- ; Benzene, m-diisopropenyl-
Product Categories: Fluorenes, etc. (reagent for high-performance polymer research);Functional Materials;Reagent for High-Performance Polymer Research
Index of Refraction: 1.515
EINECS: 223-146-9
Density: 0.873 g/ml
Flash Point: 91.1 °C
Boiling Point: 231 °C
1,3-Diisopropenylbenzene (CAS NO.3748-13-8) is used as chemical reagent, organic intermediates, fine chemicals, pharmaceutical research and development.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
rabbit | LD50 | skin | > 2gm/kg (2000mg/kg) | Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 44, 1990. | |
rat | LD50 | oral | > 5gm/kg (5000mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 44, 1990. |
Reported in EPA TSCA Inventory.
Low toxicity by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating vapors.Safety information of 1,3-Diisopropenylbenzene (CAS NO.3748-13-8):
Hazard Codes Xi,N
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
50/53 Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
61 Avoid release to the environment. Refer to special instructions safety data sheet
60 This material and/or its container must be disposed of as hazardous waste
RIDADR UN 3082 9/PG 3
WGK Germany 2
RTECS CY8535000
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View