《配位体在_族金属催化硅氢加成反应中的作用》由会员分享，可在线阅读，更多相关《配位体在_族金属催化硅氢加成反应中的作用（6页珍藏版）》请在金锄头文库上搜索。
1、第22卷null 第4期 江 西 科 学 Vol.22null No.42004年10月 JIANGXInull SCIENCE Oct,2004 c I | :1001_3679(2004)02_0305_06l :2003- 08- 11; :2004- 05- 17T e :z (1965- ),3 ,2 v q , + ,C 2 v p V 3 b 8 nullB b A _ F Q T 戴延凤,李凤仪(南昌大学化学系,江西南昌null 330047)K 1 : null族金属催化硅氢加成反应,广泛应用于含Si_C键单体的制备及聚合物的交联b本文综述了在硅氢加成反应中,高分子负载以铂为
2、代表的null族金属催化剂的结构组成a配位载体的种类a催化剂的催化性能a催化机理及该催化剂在硅氢加成反应中的应用b1 o M : 硅氢加成; null族金属;催化剂;催化机理 m s | : O643.32null null null null null D S M : AThe Catalysis of Group null Metal in HydrosilylationDAIYan_feng, LIFeng_yi(TheChemicalDepartment ofNanchangUniversity,JiangxiNanchang,330047PRC)Abstract: Hydrosily
3、lation which catalyzed by polymer_supported group null metal catalysts is a reactionwidelyused in thesiliconesindustryfor thepreparationofmenomers containingsilicon_carbonbonds andfor crosslinkingpolymers,andresulttoavarietyof products.Inthis paper,thesynthesis,thestructure,thecomposition,thekinds o
4、f complexant of polymer_supported group null metal complexes catalystswere renullviewed.Thecatalyticproperties and themechanismof hydrosilylation reaction catalyzed bythe polymer_supported group null metal complexes catalystswerealscdiscussed.Key words: Hydrosilylation,Group null metal,Catalyst,Cata
5、lyticmechanismnull null A T HW 35min10b b 8 ( M b ,O L b ,b ,Q H q 9 , b 4 l b1.2null = nullB b 8 = V bMx 11 = C5H5Ni(PMePh)3PPh b 4 , b d J (A)aJ d (B) o A A _ Q , 80 / Q 5 h ,AaB q s Y r89.30% 70.45%, 0 8 A B,O ? null_F , H ? C o E Q T b| o s = = o s b 4 , c _ A A_ F Q b r 12; b 4b 1_- B J = o A A
6、 _ ,80 Q 12 hV 91% l q ,O 3 F ; b & Y B J = o A A _ ,80 Q 12h,9 90% l q ,O null F 1 44!5613bSawamura m = M 3 4 b 4 ,? C b 4 V b A _ F Q 14b1.3null ()A nullB b 8 A aA B V 4 bf 15 d A ( ) s T A _ F b 4 ,60 H b o d o A Q , l q V r 65%b 16,17 J Y A s A _ F ? , V b 4 ? , 60 H Y B J = o A Q 4 h, q r 100%,
7、O B Q F 4 V r97.5%b A 6 10 = Y J = A s b 4 ,b A _ Q ,? C b 4 1 o s _# & = J = Y o s _s d ? 1 ,O i / V Q ; H Q 8 o 0 v i Q B T bWangLZ18 n Q null_; d A s Q A _ r b 4 bN a # s M ? ,i$ L Q A _ F Q r b 4 bu 19 null_J d A s b 4 ,70 H b 1_H Y A A_ Q , q r 85%bo z 20 ! _null_N( _ ; )Y d A _null_N( - & ; )Y
8、 d A , B c ; A , ( z A _ b , 1.5 1.8h = ,c 4.9 10- 6mol 2 V | 1_H a& d a1_E = Y A A _ 78% ,O Q 4 96% 100% W ; _ r T 9 z b1.4null & Y nullB b 8 & Y B s 0 8 , + & Y s 0 c ; a a v , t v ? s a aM #306# S null null null null null null null null null null null null 2004M 22 V o , ! b4 21,22b1995M 23 J & Y s ,i | Q B J = o A (DCMS) A _ F Q ,40 / ,Y DCMSQ 300min, = Q F lq 96%,& Y DCMSQ 200min, BQ F ,l q 88%, Q 4 l q 7 s , b 4 ? b 24 b 4
