82234-74-0

Basic information

• Product Name: Benzene, 1,1'-[(1-methyl-2-butenylidene)bis(sulfonyl)]bis-, (E)-
• CAS NO: 82234-74-0
• Molecular Formula: C17H18O4S2
• Molecular Weight: 350.46
• Mol File: 82234-74-0.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: Benzene, 1,1'-[(1-methyl-2-butenylidene)bis(sulfonyl)]bis-, (E)-(CAS DataBase Reference)
• NIST Chemistry Reference: Benzene, 1,1'-[(1-methyl-2-butenylidene)bis(sulfonyl)]bis-, (E)-(82234-74-0)
• EPA Substance Registry System: Benzene, 1,1'-[(1-methyl-2-butenylidene)bis(sulfonyl)]bis-, (E)-(82234-74-0)

Safety Data

• Hazardous Substances Data: 82234-74-0(Hazardous Substances Data)

Upstream product

• 82234-69-3 C₁₆H₁₆O₄S₂ 
• 74-88-4 methyl iodide 
• 108-98-5 thiophenol 
• 3406-02-8 bis(phenylsulfonyl)methane 

Downstream Products

• 109628-77-5 exo-(2'-benzenesulfonyl)-1-propene-2-yl-bicyclo-<2.2.1>-5-heptene 
• 109628-77-5 endo-(2'-benzenesulfonyl)-1-propene-2-yl-bicyclo-<2.2.1>-5-heptene 
• 80283-63-2 (((1E,3E)-penta-1,3-dien-1-yl)sulfonyl)benzene 
• 109628-76-4 [((1E,3Z)-Penta-1,3-diene)-1-sulfonyl]-benzene 
• 109628-73-1 1,1'-<(1-methyl-1-butene-1,4-diyl)bissulfonyl> bisbenzene 
• 109628-70-8 (E)-2-Acetyl-6-benzenesulfonyl-hept-4-enoic acid ethyl ester 
• 109628-69-5 E-(1-methyl 4-phenylthio 2-butenyl) sulfonyl benzene 
• 109628-71-9 4-benzenesulfonyl-1-piperidino-3-pentene 
• 109628-72-0 4-benzenesulfonyl-1-piperidino-2-pentene 
• 109628-75-3 1-ethoxy-4-benzenesulfonyl-2-pentene 
• 109628-74-2 1-ethoxy-4-benzenesulfonyl-3-pentene 
• 73124-42-2 1,1'-<(1-methyl-2-butene-1,4-diyl)bissulfonyl> bisbenzene 
• 88626-31-7 E-(1-methyl 1,3-butadienyl) sulfonyl benzene 
• 88626-31-7 [((E)-Penta-2,4-diene)-2-sulfonyl]-benzene 

Relevant articles and documents

Syntheses a l'aide de sulfones. XVIII. Utilisation des disulfones-1,1 pour la synthese stereoselective de composes olefiniques

2-Alkenyl-1,1-disulfones 4 are readily available in excellent yields by condensation of aldehydes with bisaryl or bisalkylsulfonylmethanes in the presence of piperidine acetate and molecular sieves at room temperature.A small amount of the 1-alkenyl isomer is also found when the aldehyde is α-substituted but it can be converted into the 2-alkenyl isomer by base catalysed equilibration.The 2-alkenyl-1,1-disulfones display only E geometry whereas E allylic monosulfones are difficult to isolate in a state of stereochemical purity (about 20percent of the Z isomer at equilibrium (8)).Alkylation is readily performed: treatment of 4 and 6 by sodium hydride in dimethylformamide and then by methyl iodide gives disulfones 5 E and 7 in 78-95percent yields.The alkylation of 4 (R=Et) by butyl iodide gives 70percent of 5 E(R=Et, R'=n-Bu) resulting from alkylation at the α position and 8percent of 3 (R=Et, R'=n-Bu) resulting from alkylation at the γ position.The α isomer is readily purified by crystallization.Reduction of disulfones 4 or 5 by aluminium amalgam leads quantitatively to allylic sulfones 2E or 8E.Olefins 9E are obtained upon total reduction of disulfones 4 or 5 by lithium in ethylamine at -78 deg C but in the case of disulfones 5 the olefins 9E are contaminated by isomers 10E and 10Z.