Carbon–oxygen and carbon–sulfur bond activation of vinyl esters, ethers and sulfides by low valent ruthenium complexes †
作者:Jose Giner Planas、Tsuyoshi Marumo、Yoichi Ichikawa、Masafumi Hirano、Sanshiro Komiya
DOI:10.1039/b002428g
日期:——
[L = PMe3, R = Ph (4a), L = PMe2Ph, R = Ph (4b); L = PMe3, R = CH2Ph (4c)]. The intermolecular C–S bond cleavage takes place in 4a promoted by MeI to form [Ru(I)(η1-C2H3)(depe)(PMe3)2] 5 with liberation of MeSPh. On the other hand, reactions of 1 with vinyl carboxylates in the presence of tertiary phosphines such as PMe3, PEt3 or depe give a series of (η1-vinyl)ruthenium(II) complexes cis-[Ru(η1-C2H3)(η1-OCOR′)(PMe3)4]
[Ru(cod)(cot)](1)(鳕鱼:1,5-环辛二烯,婴儿床: 1,3,5-环辛三烯)与 苯基乙烯基醚 和二硫化碳存在下的乙烯基硫化物 配体得到的零价(η 2 -乙烯基醚或硫醚)钌(0)配合物,的[Ru(η 2 -C 2 H ^ 3 YR)(COD)(DEPE)] [RY =的PhO(图2a),PHS(图2b), PhCH 2 S(2c),EtS(2d),Me 2 CHS(2e),depe:1,2-双(二乙基膦基)乙烷]。而乙烯基醚或硫化物配体单齿在2a,2d和2e中有选择地置换膦类 给出[Ru(cod)(depe)L] [L = PMe 3(3a),PMe 2 Ph(3b)],其中任一分子的部分交换反应乙烯基硫化物 配体或鳕鱼发生为图2b和2c中,得到图3a和b和的[Ru(η 2 -C 2 H ^ 3 SR)(DEPE)(L)2 ] [L = PME 3,R =苯基(4A),L =