107735-50-2

Upstream product

• 4784-77-4 (E)-1-Bromo-2-butene 
• 3406-02-8 bis(phenylsulfonyl)methane 
• 4784-77-4 (E/Z)-crotyl bromide 

Downstream Products

• 107735-52-4 bisbenzene 
• 133818-09-4 (1R^*,αS^*)-2,2-bis(phenylsulfonyl)-α-methylcyclopropanemethanol 
• 133818-12-9 2,2-bis(phenylsulfonyl)-α,α-dimethylcyclopropanemethanol 
• 133818-11-8 1-<2,2-bis(phenylsulfonyl)cyclopropyl>ethanone 
• 107735-57-9 5-bezenesulfonyl-2E-undecene 
• 107735-54-6 (E)-8,8-Bis-benzenesulfonyl-dodec-10-en-1-ol 
• 107735-56-8 1-tetrahydropyranyloxy-8 benzenesulfonyl-10E-dodecene 
• 107735-59-1 (E)-8-Benzenesulfonyl-dodec-10-en-1-ol 
• 33956-49-9 (8E,10E)-dodeca-8,10-dienol 
• 96689-19-9 [(3-pentenyl)sulfonyl]benzene 
• 133818-03-8 trans-2-<2,2-bis(phenylsulfonyl)ethyl>-3-methyloxirane 
• 149167-16-8 trans-3,5,5,-tris(phenylsulfonyl)nona-1,2,7-triene 

Relevant academic research and scientific papers

(Phenylsulfonyl)allenes as substrates for cycloaddition reactions: Intramolecular cyclizations onto unactivated alkenes

The reaction of a series of allyl-substituted bis(phenylsulfonyl)methanes or dimethyl malonates with 2,3-bis(phenylsulfonyl)-1,3-butadiene in the presence of base afforded alkenyl-substituted allenes in good yield. The reaction proceeds by initial attack of the soft carbanion onto the terminal position of the diene, and this is followed by PhSO2- elimination to give the phenylsulfonyl-substituted allene. Themal [2 + 2]-cycloaddition proceeded across the C1-C2 double bond of the allene with completely sterospecificity. Stepwise bonding prefers to occur in a 1,6-exo manner rather than in a 1,7-endo fashion. Substitution at the 7-position of the π-bond causes a crossover in the regioselectivity of the [2 + 2]-cycloaddition process. All products can be rationalized by a mechanism which includes an initial carbon-carbon bond formation involving the central allene carbon to give a diradical intermediate. The product distribution is then determined by the substitution pattern of the alkene and the fate of the diradical intermediate.

Methyl Effects in the Cyclization of γ-Epoxy Bis-Sulfones

A quantitative study on the effects of methyl and gem-dimethyl groups in the intramolecular ring opening of epoxides by bis-sulfonyl carbanions is reported for the formation of cyclopropanes.Reaction rates are increased by methyl groups on the chain conne

SYNTHESIS WITH SULFONES XLIV. STEREOSELECTIVE PREPARATION OF EE 1,3-DIENES BY ELIMINATION OF BENZENESULFINIC ACID FROM E HOMOALLYLIC SULFONES.

The preparation of pure E and Z homoallylic 1,1-disulfones followed by the stereoselective reduction of one sulfonyl moiety afforded pure E and Z homoallylic sulfones respectively.Basic elimination with tBuOK in THF gave the corresponding 1,3-dienes in good yield.This reaction, highly stereoselective in the case of E homoallylic sulfones, has been used in the synthesis of (8E,10E) 8,10-dodecadienol, 10 and (9E)9,11-dodecadienol, 15, insect pheromone components.