Oxidation of 2-Alkylcycloalkanones with Iodine–Cerium(iv) Salts in Alcohols
作者:Liangyou He、Miyuki Kanamori、C. Akira Horiuchi
DOI:10.1039/a806288i
日期:——
The reaction of 2-alkylcycloalkanones with iodineâcerium(IV) salts in alcohols (methanol, ethanol, propan-1-ol or propan-2-ol) gave the respective oxo ester in 28â98% yields.
Oxidation of 2-Substituted Cycloalkanones with Cerium(IV) Sulfate Tetrahydrate in Alcohols and Acetic Acid
作者:Liangyou He、C. Akira Horiuchi
DOI:10.1246/bcsj.72.2515
日期:1999.11
The reaction of 2-substituted cycloalkanones with cerium(IV) sulfate tetrahydrate (CS) in alcohols and acetic acid gave the corresponding alkyl esters of oxo acids (80—96%) and oxo acids (78—96%), respectively, by oxidative cleavage of the C(R)–C=O bond. In the case of 2-iodocycloalkanones in methanol, the dimethyl ester was obtained in good yield. A treatment of 5α-cholestan-3-one with CS in methanol
An Efficient Iron-Catalyzed Carbon-Carbon Single-Bond Cleavage via Retro-Claisen Condensation: A Mild and Convenient Approach to Synthesize a Variety of Esters or Ketones
作者:Srijit Biswas、Sukhendu Maiti、Umasish Jana
DOI:10.1002/ejoc.201000128
日期:2010.5
iron-salt-catalyzed carbon–carbon bond cleavage occurring through a retro-Claisen condensation reaction has been developed. The reaction is useful for the synthesis of a variety of esters or ketones under mild conditions. This method works under solvent-free conditions without the need of an inert atmosphere. This protocol is also applicable for the one-pot syntheses of ketones through tandem carbon–carbon bond