70671-90-8

Upstream product

• 75-25-2 Bromoform 
• 2919-20-2 1,1-di(p-tolyl)ethylene 
• 611-97-2 bis(p-methylphenyl)-methanone 

Downstream Products

• 70671-84-0 1-Brom-2,2-bis-(p-tolyl)-cyclopropan 
• 919789-10-9 (CH₃C₆H₄)2CCCCH(CH₃)C(C₆H₅)2 
• 919341-28-9 (CH₃C₆H₄)2CCCCH(C₆H₅)C(CH₃)2 
• 331676-35-8 C₂₃H₂₆ 
• 1201909-57-0 1-(2-(2-(but-3-enyl)-2-phenylcyclopropylidene)-1-p-tolylvinyl)-4-methylbenzene 
• 1210959-95-7 4-(2-(2,2-di-p-tolylvinylidene)-1-phenylcyclopropyl)butan-1-ol 
• 1313396-57-4 C₂₉H₂₉BrO 
• 1313396-69-8 C₂₉H₂₉FO 
• 1361143-75-0 C₄₁H₃₈Se₂ 
• 129352-02-9 3,3-bis(4-methylphenyl)cyclopropene 
• 4333-55-5 4,4'-(prop-1-ene-1,1-diyl)bis(methylbenzene) 
• 1403484-31-0 C₂₃H₂₆O 
• 73914-66-6 (ethene-1,1-diyl-2,2-d₂)dibenzene 
• 1333475-20-9 C₂₀H₁₉⁽²⁾H₂NO₂ 

Relevant academic research and scientific papers

Synthesis of Polycyclic Aromatic Hydrocarbons Decorated by Fluorinated Carbon Acids/Carbanions

The carboarylation reaction of biphenyl-alkynes was successfully triggered by electrophilic attack of 1,1-bis(triflyl)ethylene on the alkyne moiety to give polycyclic aromatic hydrocarbons (PAHs) decorated by superacidic carbon acid functionality. Neutralisation of thus obtained acids with NaHCO3 yielded the corresponding sodium salts, which showed improved solubility in both aqueous and organic solvents.

A convenient access to allylic triflones with allenes and triflyl chloride in the presence of (EtO)2P(O)H

A simple method for the preparation of allylic triflones from allenes and triflyl chloride in the presence of (EtO)2P(O)H has been developed. The features of this reaction are catalyst-free and simple starting substrates. This method tolerates diverse functional groups and substituted allylic triflones are obtained in moderate to good yields.

Regioselective Diboron-Mediated Semireduction of Terminal Allenes

A method for the regioselective reduction of the terminal double bond of 1,1-disubstituted allenes has been developed. In the presence of a palladium catalyst, tetrahydroxydiboron and stoichiometric water, allene semireduction proceeds in high yield to afford Z-alkenes selectively.

Rhodium-catalyzed polymerization of 3,3-diarylcyclopropenes involving a 1,4-rhodium migration

A new mode of metal-catalyzed polymerization reaction has been developed by exploiting the ability of 1,4-rhodium migration of an organorhodium(I) species. Specifically, it has been demonstrated that 3,3-diarylcyclopropenes undergo polymerization through

Reactions of vinylidenecyclopropanes with diphenyl diselenide in the presence of AIBN and thermally-induced further transformations

In conclusion, we have developed a novel tandem reaction of VDCPs 1 with PhSeSePh to give the corresponding bicyclo[3.1.0]hexane derivatives 4 in good yields in the presence of AIBN, which could undergo a thermal-induced radical 1,4-hydrogen shift through

An efficient method for the synthesis of alkylidenecyclobutanones by gold-catalyzed oxidative ring enlargement of vinylidenecyclopropanes

Rings of gold: Vinylidenecyclopropanes can undergo efficient oxidative ring enlargements under mild conditions to give the corresponding alkylidenecyclobutanone derivatives in good yields (see scheme). A plausible mechanism for this transformation has bee

Halogenation reagents initiating ring opening of vinylidenecyclopropanes: Easy access to halogenated tetrahydropyrans

A novel synthetic protocol that uses halogenation reagents (NBS, NIS and selectfluor) to initiate intramolecular ring-opening reactions of diarylvinylidenecyclopropanes (VDCPs) connected to alcohol-bearing chains has been developed. The approach provides

Lewis acid promoted reactions of ethenetricarboxylates with allenes: Synthesis of indenes and γ-lactones via conjugate addition/cyclization reaction

(Figure presented) Indenes are important core structures in organic chemistry. Few simple arylallenes have been used to construct indene skeletons by Friedel-Crafts reaction. Lewis acid catalyzed reaction of ethenetricarboxylates 1 and arylallenes has been examined in this study. The reaction of arylallenes and ethenetricarboxylate triesters with SnCl4 gave indene derivatives efficiently, via a conjugate addition/Friedel-Crafts cyclization reaction. On the other hand, the reactions of 1,1-diethyl 2-hydrogen ethenetricarboxylate and arylallenes or alkylallenes with SnCl4 at -78 °C or room temperature and subsequent treatment with Et3N gave γ-lactones. The reactions of triethyl ethenetricarboxylate and 1,1-dialkylallenes with SnCl4 at room temperature also gave γ-lactones.

Rhodium(I)-catalyzed intramolecular ene reaction of vinylidenecyclopropanes and alkenes for the formation of bicyclo[5.1.0]octylenes

"Chemical Equation Presented" An efficient catalytic system for the intramolecular ene reaction of allene and alkene of diarylvinylidenecyclopropanes has been established. The reaction was achieved by using [RhCl(CO)2]2 as the cataly

Au/Ag-catalyzed intramolecular ring-opening of vinylidene-cyclopropanes (VDCPs): An easy access to functional tetrahydropyrans

Chemical Equation Presentation An intramolecular ring-opening of vinylidenecyclopropanes (VDCPs) tethered with alcohol chains has been established. A serles of transition metal catalysts and their combinations have been screened under mild conditions, and