Electric Literature of C15H12O3On March 31, 1998, Blettner, Carsten G.; Koenig, Wilfried A.; Stenzel, Wolfgang; Schotten, Theo published an article in Synlett. The article was 《Poly(ethylene glycol)-supported liquid-phase synthesis of biaryls》. The article mentions the following:
The liquid-phase synthesis of biaryls via Suzuki cross-coupling reaction on poly(ethylene glycol) supports (PEGs) is described. The reaction is exemplified by parallel coupling of polymer-bound aryl halides with boronic acids. Four different PEGs were employed as soluble polymer supports for parallel synthesis. The generated libraries include both sterically hindered aryl halides and boronic acids. The reactions were run in the homogeneous phase and the synthetic sequences performed in parallel fashion. Quant. conversion in the Suzuki couplings was verified by 1H NMR. The polymer-bound products were isolated in 52-98% yield by either simple precipitation of the soluble support or column filtration.Methyl 4′-formyl-[1,1′-biphenyl]-2-carboxylate(cas: 144291-47-4Electric Literature of C15H12O3) was used in this study.
Methyl 4′-formyl-[1,1′-biphenyl]-2-carboxylate(cas: 144291-47-4) belongs to esters. Esters are more polar than ethers but less polar than alcohols. Electric Literature of C15H12O3 They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics