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349 Newest Publications in applied organometallic chemistry
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Electron‐deficient vanadium(IV) tetraphenylporphyrin: A new, highly efficient and reusable catalyst for chemoselective trimethylsilylation of alcohols and phenols with hexamethyldisilazane
01-09-2011 | Moghadam, Majid; Mohammadpoor‐Baltork, Iraj; Tangestaninejad, Shahram; Mirkhani, Valiollah; Khosropour, Ahmad ..., Applied Organometallic Chemistry, 2011
Abstract In the present work, the application of electron‐deficient tetraphenylporphyrinatovanadium(IV) trifluoromethanesulfonate, [VIV(TPP)(OTf)2], in the trimethylsilylation of alcohols and phenols with hexamethydisilazane (HMDS) is reported. This new V(IV) catalyst was used as an ...
Facile functionalization of isotactic polypropylene by azide and alkyne groups for click chemistry application
01-08-2011 | Chuanhui Zhang; Hui Niu; Jin‐Yong Dong, Applied Organometallic Chemistry, 2011
Abstract This paper presents two facile methods to achieve functionalization of isotactic polypropylene (i‐PP) by azide and alkyne groups. One method comprises metallocene‐catalyzed isospecific propylene polymerization with dialkylzinc as chain transfer agent to produce iodo‐terminated ...
Ru–η6‐benzene–phosphine complex‐catalyzed transfer hydrogenation of ketones
01-08-2011 | Lei Wang; Qin Yang; Hai‐Yan Fu; Hua Chen; Mao‐Lin Yuan; Rui‐Xiang Li, Applied Organometallic Chemistry, 2011
Abstract Three Ru–η6‐benzene–phosphine complexes bearing tri‐(p‐methoxyphenyl)phosphine, triphenylphosphine and tri‐(p‐trifluoromethylphenyl)phosphine were synthesized and characterized by 31P{1H} NMR, 1H NMR, 13C{1H} NMR and elemental analyses. Complex 1 was further identified by X‐ray ...
Regioselective synthesis of 1,4‐disubstituted triazoles using bis[(L)prolinato‐N,O]Zn complex as an efficient catalyst in water as a sole solvent
01-08-2011 | Mazaahir Kidwai; Arti Jain, Applied Organometallic Chemistry, 2011
Abstract A concise, convenient and mild route for one‐pot regioselective synthesis of N‐aryl‐ and N‐alkyltriazoles in water as a sole solvent is reported. The methodology involves a three‐component reaction comprising aryl/alkyl‐alkyne, sodium azide and aryl/alkyl/allyl halide catalyzed by ...
Cross‐linked poly(4‐vinylpyridine/styrene) copolymer‐supported bismuth(III) triflate: an efficient heterogeneous catalyst for silylation of alcohols and phenols with HMDS
01-08-2011 | Sang‐Hyeup Lee; Santosh T. Kadam, Applied Organometallic Chemistry, 2011
Abstract Cross‐linked poly(4‐vinylpyridine/styrene) copolymer‐supported bismuth(III) triflate (30P/S‐Bi) effectively activates hexamethyldisilazane (HMDS) for the silylation of alcohols and phenols. By the use of this heterogeneous catalytic system, a wide range of alcohols as well as ...
Synthesis and antimicrobial studies of bis(O,O′‐dialkyl and alkylene dithiophosphoric acid) adducts of diphenyl diselenide
01-07-2011 | Khaldy, A. A. S. El; Abushanab, A. M.; Alkhair, Emad Abu, Applied Organometallic Chemistry, 2011
Abstract Dialkyl and alkylene dithiophoshoric acids react with diphenyl diselenide in a 1:2 molar ratio in refluxing benzene to yield Ph2Se2HS2P(OR)2 (R = Et, Pr‐n, Pr‐i, Bu‐i and Ph) and , where G = ‐CH2CMe2CH2‐, ‐CH2CEt2CH2‐ and ‐CMe2CMe2‐. The complexes are yellow solids (in the cyclic ...
Nanoporous silica polyamine composites for metal ion capture from rice hull ash
01-07-2011 | Berlin, Matt; Allen, Jesse; Kailasam, Varadharajan; Rosenberg, David; Rosenberg, Edward, Applied Organometallic Chemistry, 2011
Abstract Rice hull ash (RHA) was converted to amorphous silica gel using a modified version of published literature procedures. The gels were characterized by a comparison of their Cross Polarization Magic Angle Spinning 29Si NMR and scanning electron microscopy images with commercial ...
An improved procedure for the synthesis of arylboronates by palladium‐catalyzed coupling reaction of aryl halides and bis(pinacolato)diboron in polyethylene glycol
01-07-2011 | Lu, Jie; Guan, Zhong‐Zhi; Gao, Jian‐Wu; Zhang, Zhan‐Hui, Applied Organometallic Chemistry, 2011
Abstract A new protocol has been developed for the synthesis of arylboronates by a coupling reaction of aryl halides and bis(pinacolato)diboron using bis(triphenylphosphine)palladium dichloride/sodium acetate/polyethylene glycol 600 [Pd(PPh3)2Cl2/NaOAc/PEG 600] as an efficient catalytic ...
Well‐defined NHCPd complex‐mediated intermolecular direct annulations for synthesis of functionalized indoles (NHC = N‐hetero‐cyclic carbene)
01-07-2011 | Jin, Zhong; Guo, Su‐Xian; Qiu, Ling‐Ling; Wu, Gui‐Ping; Fang, Jian‐Xin, Applied Organometallic Chemistry, 2011
Abstract As alternatives to the common tertiary phosphine/Pd systems, well‐defined N‐heterocyclic carbene–Pd complexes have been proven to be highly efficient precatalysts for intermolecular direct annalution of o‐haloanilines and ketones at lower catalyst loadings. A highly efficient and ...
Cyclometalated iridium(III) complex of 6‐hydroxydipyrido[3,2‐a:2′,3′‐c]phenazine: synthesis, and acid–base and avid DNA binding properties
01-07-2011 | Chen, Yan‐Min; Zhang, An‐Guo; Wang, Ke‐Zhi, Applied Organometallic Chemistry, 2011
Abstract A new cyclometalated Ir(III) complex [Ir(ppy)2(hdppz)]PF6 (Hppy = 2‐phenylpyridine and hdppz = 6‐hydroxydipyrido[3,2‐a:2′,3′‐c]phenazine) was synthesized and characterized. The pH effects on the UV–vis absorption spectra were studied and ground‐state acid ionization constant pKa ...
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