Heterocyclic Derivative Syntheses by Palladium-Catalyzed Oxidative Cyclization−Alkoxycarbonylation of Substituted γ-Oxoalkynes
作者:Alessia Bacchi、Mirco Costa、Nicola Della Cà、Bartolo Gabriele、Giuseppe Salerno、Silvia Cassoni
DOI:10.1021/jo050155v
日期:2005.6.1
and tetrahydropyridinedione derivatives, formed when the reaction is carried out at higher temperature and for a longer time, can also be selectively obtained through an acid treatment of tetrahydrofuran and oxazoline derivatives involving an unusual rearrangement. The structures of 6-methoxy-2,2-dimethyl-3-oxo-5-phenyl-2,3-dihydropyridine-4-carboxylic acid methyl ester and 2,2,5-trimethyl-3,6-dioxo-1
Synthesis of ring-substituted bis-η5-cyclopentadienyl derivatives of the Group IV elements containing the bicyclic ligands η5-C5H3(1,2-CH2–)n, n=4, 5, or 6
作者:Eleonora Polo、Ronan M Bellabarba、Giansiro Prini、Orazio Traverso、Malcolm L.H Green
DOI:10.1016/s0022-328x(98)01042-0
日期:1999.4
The synthesis of unsubstituted and substituted bicyclic η5-cyclopentadienyl ligands and their Group IV metal complexes [Mη5-C5H3(1,2-CH2–)n}2Cl2], where n=4, 5, 6 and M=Ti, Zr, Hf, is reported. An example of an ansa-bridged zirconium analogue is also described.