We report the use of cationic gold complexes [Au(NHC)(CH3CN)][BF4] and [{Au(NHC)}2(μ-OH)][BF4] (NHC = N-heterocyclic carbene) as highly active catalysts in the solvent-free hydroalkoxylation of internal alkynes using primary and secondary alcohols. Using this simple protocol, a broad range of (Z)-vinyl ethers were obtained in excellent yields and high stereoselectivities. The methodology allows...

Evidence has been presented, in a preliminary communication from this laboratory (I), and by Schogt, Begemann, and Koster (2), to substantiate the previously postulated existence (3, 4) of nonphosphatide plasmalogens. This evidence was based mainly on observations made with unsaponifiable fractions obtained after treatment of neutral lipid with alkali. In our preliminary communication (I), for ...