Regioselective Coupling of Tetraalkylammonium Salts of 6-Iodo-2-aminopurine to a Cyclobutyl Triflate: Efficient Preparation of Homochiral BMS-180,194, a Potent Antiviral Carbocyclic Nucleoside
Regioselective Coupling of Tetraalkylammonium Salts of 6-Iodo-2-aminopurine to a Cyclobutyl Triflate: Efficient Preparation of Homochiral BMS-180,194, a Potent Antiviral Carbocyclic Nucleoside
Regioselective Coupling of Tetraalkylammonium Salts of 6-Iodo-2-aminopurine to a Cyclobutyl Triflate: Efficient Preparation of Homochiral BMS-180,194, a Potent Antiviral Carbocyclic Nucleoside
作者:Gregory S. Bisacchi、Janak Singh、Jollie D. Godfrey、Thomas P. Kissick、Toomas Mitt、Mary F. Malley、John D. Di Marco、Jack Z. Gougoutas、Richard H. Mueller、Robert Zahler
DOI:10.1021/jo00114a047
日期:1995.5
Expedient Approach to Chiral Cyclobutanones: Asymmetric Synthesis of Cyclobut-G
作者:Benjamin Darses、Andrew E. Greene、Susannah C. Coote、Jean-François Poisson
DOI:10.1021/ol702977x
日期:2008.3.1
An efficient one-pot asymmetric synthesis of cyclobutanones from chiral enol ethers is described. The approach is illustrated with alkyl- and functionalized alkyl-substituted enol ethers (nine examples). A new enantioselective synthesis of cyclobut-G (Lobucavir) could thus be achieved.