60084-39-1Relevant academic research and scientific papers
Flow-vacuum pyrolysis of polycyclic compounds. 221 : Pyrolysis of 2,2'-bis(hydroxymethyl)biphenyl
Istrati, Daniela,Marton, George,Drǎghici, Constantin,Grigore, Adriana,Banciu, Mircea D.
, p. 719 - 724 (2007/10/03)
The flow-vacuum pyrolysis of the title diol, between 600°C - 800°C and 1mm Hg in argon atmosphere, was investigated using GC/MS. The main reaction products were: fluorene, 9-methylfluorene, 9-methylenefluorene; 9,10-dihydrophenanthrene; phenanthrene; 9-hydroxy-9,10-dihydroanthracene; 9-fluorenol; 9-fluorenone; 2-methyl-2'-formylbiphenyl (major product; 38% at 850°C); 2-hydroxymethyl-2'-formylbiphenyl and 2,2'-diphendialdehyde. The amount of products resulted from intramolecular cyclization was 52% at 850°C and the ratio between products with five-member and six-member central ring was 39:13 at 850°C. A radical mechanism explaining the formation of the reaction products is suggested and a comparison between pyrolysis of the title diol and of the previously studied 2,2'-bis(bromomethyl)biphenyl is made.
Benzylic oxidation of aromatics with cerium(IV) triflate; Synthetic scope and mechanistic insight
Laali, Kenneth K.,Herbert, Mark,Cushnyr, Brad,Bhatt, Anand,Terrano, David
, p. 578 - 583 (2007/10/03)
The synthetic utility of cerium(IV) triflate Ce(OTf)4 as a reagent for benzylic oxidation has been tested for a variety of aromatic compounds. Insight is provided into various factors that govern these oxidations and their progress. It has been shown that the mode of preparation of Ce(OTf)4 and the % H2O present in the sample have a marked influence on oxidation ability. A variety of mono- and dialkylbenzenes, haloalkylbenzenes, bicyclic and tricyclic ring systems, and alkoxybenzenes have been surveyed. The method offers an easy to perform one-pot reaction for the room temperature synthesis of aromatic ketones and aldehydes from aromatics and has the potential to find wider application.
