[EN] IMMOBILIZED METATHESIS TUNGSTEN CATALYSTS AND USE THEREOF IN OLEFIN METATHESIS<br/>[FR] CATALYSEURS DE MÉTATHÈSE AU TUNGSTÈNE IMMOBILISÉS ET LEUR UTILISATION EN MÉTATHÈSE D'OLÉFINES
申请人:XIMO AG
公开号:WO2015003815A1
公开(公告)日:2015-01-15
Compound of formula (I) wherein M is W; R1 is H, aryl, heteroaryl, alkyl, or heteroalkyl, optionally substituted, respectively; R2 and R3 can be the same or different and are alkyl, alkenyl, heteroalkyl, heteroalkenyl, aryl, or heteroaryl, optionally substituted, respectively, or hydrogen; R5 is a residue R6-X-, wherein R6 is alkyl, aryl, heteroalkyl, heteroaryl, optionally substituted, respectively; (R7, R8, R9)Si; wherein R7, R8, R9 are independently alkyl, alkoxy, phenyl or phenoxy, optionally substituted, respectively; (R10, R11, R12)C, wherein R10, R11, R12 are independently phenyl, alkyl, optionally substituted, respectively; X = O, S, or NR13, wherein R13 is H; or alkyl or aryl, optionally substituted, respectively; or R5 is R6-CO-NR13, wherein R6 and NR13 have the meaning as defined above, or wherein R6 and R13 taken together form a carbon chain having from 2 to 6 carbon atoms; R5 is a 4 to 8 membered N-containing carbon ring, wherein N is linked to M; and R4 is a residue O-Si(O-)3, and represents silica to which M is linked forming a M-O-Si(O-)3 moiety, preferably wherein silica is comprised in a solid support; under the proviso that a compound in which R1 = 2,6-diisopropylphenyl, R5 dimethylpyrrol-1-yl, R2 = tBu, and R3 = H is excluded.
化合物的化学式(I)中,其中M为W;R1为H,芳基,杂芳基,烷基或杂烷基,分别可以选择性地被取代;R2和R3可以相同或不同,为烷基,烯基,杂烷基,杂烯基,芳基或杂芳基,分别可以选择性地被取代,或氢;R5为残基R6-X-,其中R6为烷基,芳基,杂烷基,杂芳基,分别可以选择性地被取代;(R7,R8,R9)Si;其中R7,R8,R9分别独立地为烷基,烷氧基,苯基或苯氧基,分别可以选择性地被取代;(R10,R11,R12)C,其中R10,R11,R12分别独立地为苯基,烷基,分别可以选择性地被取代;X = O,S或NR13,其中R13为H;或烷基或芳基,分别可以选择性地被取代;或R5为R6-CO-NR13,其中R6和NR13具有上述定义的含义,或者其中R6和R13一起形成一个具有2至6个碳原子的碳链;R5是一个含氮的4至8环碳环,其中N连接到M;R4是一个残基O-Si(O-)3,并表示M连接的二氧化硅形成一个M-O-Si(O-)3基团,优选地,二氧化硅包含在固体载体中;在R1 = 2,6-二异丙基苯基,R5为二甲基吡咯-1-基,R2 = tBu和R3 = H的化合物除外。