63650-28-2

Upstream product

• 16548-51-9 benzylidenetriphenylarsenane 
• 75150-37-7 anthrione 
• 77032-93-0 9-(Bromo-phenyl-methyl)-anthracene 
• 72948-52-8 9-(1-hydroxybenzyl)-10-methylanthracene 
• 7516-59-8 As-(benzyl)triphenylarsonium bromide 
• 90-44-8 anthracen-9(10H)-one 
• 85865-19-6 C₂₁H₁₅Li 
• 80-48-8 methyl p-toluene sulfonate 
• 85865-20-9 C₂₁H₁₅Na 
• 72948-51-7 9-anthrylbenzyl chloride 

Downstream Products

• 102860-84-4 9-<α-(1-acetyl-2-hydroxy-1-propenyl)benzylidene>-9,10-dihydroanthracene 
• 1498-71-1 9-benzylanthracene 
• 96784-21-3 9-(α-Acetoxybenzylidene)-9,10-dihydroanthracene 
• 96784-20-2 9-Acetoxy-9-benzoyl-9,10-dihydroanthracene 

Relevant academic research and scientific papers

Reaction of Olefins with Malonamide in the Presence of Manganese(III) Acetate. Formation of α,β-Unsaturated γ-Lactones and γ-Lactams

The reaction of olefins with malonamide in the presence of manganese(III) acetate gave 2-buten-4-olides and/or 1H-pyrrol-2(5H)-ones in one-step, short reaction time and moderate yields.The product distribution can be accounted for in terms of the stabilization of the intermediate carbocation in the oxidation process.The synthetic application and limitation, and the oxidation mechanism for the formations of α,β-unsaturated γ-lactones and γ-lactams are discussed.

Protonation and Alkylation of Ambident (9-Anthryl)arylmethyl Anions

We have investigated the protonation of ambident (9-anthryl)arylmethylsodiums (Na-2) and -lithiums (Li-2) (substituent =p-Me, p-Me, H, m-F) with various oxygen and carbon acids in tetrahydrofuran to give a mixture of the anthracene derivatives 3a-d and the 9,10-dihydroanthracenes 4a-d.Product compositions were dramatically influenced by the substituent electronic effects of the carbanions 2 and the acidities of the proton donors.In the protonation with the oxygen proton donors the change of the countercation 2 and the addition of hexamethylphosphoramide also exerted remarkable effects on the 3:4 ratio, whereas these two factors were not important in the case of the carbon acids.This fact would be interpreted as the extent of coordination of oxygen acids to metal cations being important in determining protonation regiochemistry.The reaction of (9-anthryl)arylmethyl anions (2a-d) with a series of aliphatic and benzylic halides gave a mixture of two cross-coupling products, 7 (coupling at C-α) and 8 (coupling at C-10), and/or dimers, 5 Cα-C10 coupling) and 6 (C10-C10 coupling), the composition being influenced by the substituent electronic effects of the carbanions 2 and structure of the alkyl groups of the halides.The leaving group effects also have a significant influence on the product composition.Using dependence (or independence) of the product composition on the electronic effects of the substituent of 2 as a tool to differentiate the reaction mechanisms, we have attempted to rationalize the apparently complicated alkylation of the carbanions 2.

Reaction of (9-anthryl)arylmethyl Chlorides with Grignard and Lithium Reagents

We have investigated the reaction of (9-anthryl)arylmethyl chlorides 1a-d (para substituent = MeO, Me, H, and Cl) with Grignard and lithium reagents.The variables are the structures of the alkyl group of Grignard and lithium reagents (alkyl group = tert-b

Reactions of (9-Anthryl)arylmethyl Chloride and Its Homologues with Nucleophiles under Solvolytic Conditions. Notable Effects of Reaction Conditions and Substituents on the Reaction Sites

The reactions of (9-anthryl)arylmethyl chlorides 2a-e (the substituents are p-MeO, p-Me, H, p-Cl, and m-Cl), the corresponding bromides 3b-d (the substituents are p-Me, H, and p-Cl), and the antimonate salts 4b-e (the substituents are p-Me, H, p-Cl, and m

Studies on Betaine Decomposition of Arsonium Ylides

A systematic study on the nature of decomposition of betaine formed by nucleophilic attack of semistabilized arsonium ylides on thiocarbonyl substrates has been carried out.A series of substituted benzylidenetriphenylarsenanes have been generated from their corresponding salts and condensed with few cyclic thioketones to yield exocyclic olefins as exclusive products.The non-availability of thioepoxides indicates that the mode of decomposition of such type of betaines is quite analogous to the betaine formed by phosphonium ylides.The structure of the products have been assigned by IR and NMR spectral studies. - Keywords: Betaine, Arsonium Ylides