环戊二烯基-1-酮)-μ-羟基四羰基二钌(II)98%104439-77-2100mg,500mg H157024(六甲基苯)合二氯化钌(II)二聚体>95.0%(T)67421-02-71g I132130顺式-双(异硫氰基)双(2,2′-联吡啶基-4,4′-二羧基)钌(II)95%(NMR)141460-19-7100mg,250mg,1g P121329(R)-P-磷钌 (acac)2316829-35-3100mg ...
环戊二烯基-1-酮)-μ-羟基四羰基二钌(II)98%104439-77-2100mg,500mg H157024(六甲基苯)合二氯化钌(II)二聚体>95.0%(T)67421-02-71g I132130顺式-双(异硫氰基)双(2,2′-联吡啶基-4,4′-二羧基)钌(II)95%(NMR)141460-19-7100mg,250mg,1g P118522三(丙腈基)伍甲基环戊二烯基钌(II)六氟...
之后的NMR光谱分析显示起始材料消失并形成络合物4(约50%)和乙烯基鏻盐[CH2=CHPCy3][OTf]。14还通过1H NMR光谱观察到HOVEYDA-GRUBBS 催化剂的形成。合成路线如图3所示。 方法二:将2,5g催化剂二氯-(3-苯基-1H-茚-1-亚基)-(1,3-二甲基-4,5-二氢-咪唑-2-亚基)(吡啶)-钌(II)、[Umicore M31、Umicore A...
Selectively catalytic hydrogenation of nitrile-butadiene rubber (NBR) with a typical olefin metathesis catalyst, Grubbs II, has been developed in the present work. The catalytic selectivity for the hydrogenation of -C=C- instead of -C鈮 was supported by FT-IR and NMR analysis. The effects of ...
PIERS-GRUBBS二代PIERS 第二代复分解催化剂[SIMES]二氯[(三环己基正膦基)亚甲基]四氟硼酸钌[1,3-双(2,4,6-三甲基苯基)-2-咪唑烷亚基][(三环己基膦亚基)甲基]二氯化钌四氟硼酸盐二氯[1,3-双(2,4,6-三甲基苯基)-2-咪唑烷亚基][(三环己基正膦基)亚甲基]四氟硼酸钌(II) 英文别名 Piers-Grubbs...
环戊二烯基-1-酮)-μ-羟基四羰基二钌(II)98%104439-77-2100mg,500mg H157024(六甲基苯)合二氯化钌(II)二聚体>95.0%(T)67421-02-71g I132130顺式-双(异硫氰基)双(2,2′-联吡啶基-4,4′-二羧基)钌(II)95%(NMR)141460-19-7100mg,250mg,1g ...
本论文利用吡啶膦亚胺配体与Grubbs III代催化剂发生配体交换反应,合成了4种新型类Grubbs III代钌基烯烃复分解催化剂.使用核磁共振波谱(1H NMR,13C NMR和31P NMR),高分... 龙烁,化学工程 被引量: 0发表: 0年 油酸甲酯烯烃复分解制备长链终端烯烃化学品探究 以油酸甲酯为原料,通过烯烃交叉复分解反应制备长链终端...
(2,4,6-trimethylphenyl)imidazolidin-2-ylidene]-dichlororuthenium,tricyclohexylphosphane Grubbs catalyst II Grubbs Catalyst, 2nd Generation≥ 98% (NMR) (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium Benzylidene[1,3-bis(2,4,6-...
化剂,通过承,Ⅺ①,BET,13CNMR等手段对其进行了表征,并对其在反式 .2.己烯醇中的不对称环氧化反应的催化活性进行了初步考察。 关键词:多相催化剂;SBA-15介孔材料;Grubbs催化剂;烯烃复分解反应;FDU.14 介孔材料;Sha叩less不对称环氧化反应 ● ^
123 Solution 1H NMR and electrospray ionization-mass spectrometry (ESI-MS) experiments demonstrated their anion-recognition properties, enhanced with the presence of an aromatic ring in the guest, whereas turbidimetric analysis indicated the ability of the glycoclusters bearing four peripheral glucosides ...