Eight-Membered Palladacycles Derived from the Insertion of Olefins into the Pd−C Bond of Ortho-Palladated Pharmaceuticals Phenethylamine and Phentermine. Synthesis of Stable Heck-Type Intermediates Containing Accessible β-Hydrogens and Its Use in the Synthesis of 2-Styrylphenethylamines, Tetrahydroisoquinolines, and Eight-Membered Cyclic Amidines
作者:José Vicente、Isabel Saura-Llamas、José-Antonio García-López、Delia Bautista
DOI:10.1021/om100738z
日期:2010.10.11
the product of its insertion into the Pd−C bond, [PdC,N-CH(R′)CH2C6H4CH2CR2NH2-2}(μ-X)]2 (olefin = CH2═CHR′; R = H, X = Br, R′ = C(O)Me (1a), CO2Et (1c); R = Me, X = Cl, R′ = C(O)Me (1b), CO2Et (1d)) and [PdC,N-CH(C5H8)CHC6H4(CH2CMe2NH2)-2}(μ-Cl)]2 (olefin = norbornene, C5H8; 1e) or (2) the decomposition products of 1, i.e., Pd(0) and the complexes containing the arylated olefin, trans-[PdX2(NH2CR2CH2C6H4CH═CHPh-2)2]
衍生自苯乙胺和芬特明的邻位金属配合物,[Pd(C,N -C 6 H 4 CH 2 CR 2 NH 2 -2)(μ-X)] 2(R = H,X = Br(A); R = Me,X = Cl(B)),与烯烃反应,得到(1)其插入Pd-C键的产物[Pd C,N -CH(R')CH 2 C 6 H 4 CH 2 CR 2 NH 2 -2}(μ-X)] 2(烯烃= CH 2 = CHR'; R = H,X = Br的,R'= C(O)Me(1A),CO 2Et(1c); R = Me,X = Cl,R'= C(O)Me(1b),CO 2 Et(1d))和[Pd C,N -CH(C 5 H 8)CHC 6 H 4(CH 2 CMe 2 NH 2)-2}(μ-Cl)] 2(烯烃=降冰片烯,C 5 H 8;1e)或(2)1的分解产物,即Pd(0)和含有芳基化烯烃的配合物,反式-[PdX 2(NH 2