rhodium

Summary

Summary: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.

Top Publications

  1. Scheibel M, Wu Y, Stückl A, Krause L, Carl E, Stalke D, et al. Synthesis and reactivity of a transient, terminal nitrido complex of rhodium. J Am Chem Soc. 2013;135:17719-22 pubmed publisher
    Irradiation of rhodium(II) azido complex [Rh(N3){N(CHCHPtBu2)2}] allowed for the spectroscopic characterization of the first reported rhodium complex with a terminal nitrido ligand...
  2. Hooper J, Chaplin A, González Rodríguez C, Thompson A, Weller A, Willis M. Aryl methyl sulfides as substrates for rhodium-catalyzed alkyne carbothiolation: arene functionalization with activating group recycling. J Am Chem Soc. 2012;134:2906-9 pubmed publisher
    ..The utility of the alkenyl sulfide products is also demonstrated in simple carbo- and heterocycle-forming processes. We also provide mechanistic evidence for the course of this new process...
  3. Liu B, Fan Y, Gao Y, Sun C, Xu C, Zhu J. Rhodium(III)-catalyzed N-nitroso-directed C-H olefination of arenes. High-yield, versatile coupling under mild conditions. J Am Chem Soc. 2013;135:468-73 pubmed publisher
    ..The ability to elaborate the N-nitroso moiety to an amine functionality provides a seminal example of the innumerable synthetic possibilities offered by this transformable directing group...
  4. Neely J, Rovis T. Rh(III)-catalyzed regioselective synthesis of pyridines from alkenes and ?,?-unsaturated oxime esters. J Am Chem Soc. 2013;135:66-9 pubmed publisher
    ..Mechanistic studies suggest that heterocycle formation proceeds via reversible C-H activation, alkene insertion, and a C-N bond formation/N-O bond cleavage process...
  5. Chen S, Yu J, Jiang Y, Chen F, Cheng J. Rhodium-catalyzed direct annulation of aldehydes with alkynes leading to indenones: proceeding through in situ directing group formation and removal. Org Lett. 2013;15:4754-7 pubmed publisher
    ..Notably, this procedure tolerates a series of functional groups, such as methoxyl, acetylamino, fluoro, trifluoromethyl, methoxycarbonyl, chloro, and bromo groups. ..
  6. Ernst R, Komor A, Barton J. Selective cytotoxicity of rhodium metalloinsertors in mismatch repair-deficient cells. Biochemistry. 2011;50:10919-28 pubmed publisher
    ..b>Rhodium metalloinsertors bind to DNA mismatches with high affinity and specificity and represent a promising strategy to ..
  7. Evans P, Inglesby P, Kilbride K. A concise total synthesis of pyrovellerolactone using a rhodium-catalyzed [(3 + 2) + 2] carbocyclization reaction. Org Lett. 2013;15:1798-801 pubmed publisher
    ..The key step involves a regio- and diastereoselective rhodium-catalyzed [(3 + 2) + 2] carbocyclization of an alkenylidenecyclopropane with a 4-hydroxybut-2-ynoate followed by ..
  8. Huang J, Zhang Q, Qu C, Sun X, Dong L, Chen Y. Rhodium(III)-catalyzed direct selective C(5)-H oxidative annulations of 2-substituted imidazoles and alkynes by double C-H activation. Org Lett. 2013;15:1878-81 pubmed publisher
    ..and Csp(2)-H of 2-substituted N-vinyl- or arylimidazoles were realized without heteroatom-directing assistance by rhodium(III) catalyst...
  9. Li Z, Boyarskikh V, Hansen J, Autschbach J, Musaev D, Davies H. Scope and mechanistic analysis of the enantioselective synthesis of allenes by rhodium-catalyzed tandem ylide formation/[2,3]-sigmatropic rearrangement between donor/acceptor carbenoids and propargylic alcohols. J Am Chem Soc. 2012;134:15497-504 pubmed
    b>Rhodium-catalyzed reactions of tertiary propargylic alcohols with methyl aryl- and styryldiazoacetates result in tandem reactions, consisting of oxonium ylide formation followed by [2,3]-sigmatropic rearrangement...

More Information

Publications62

  1. Barry N, Sadler P. Dicarba-closo-dodecarborane-containing half-sandwich complexes of ruthenium, osmium, rhodium and iridium: biological relevance and synthetic strategies. Chem Soc Rev. 2012;41:3264-79 pubmed publisher
    ..how the incorporation of dicarba-closo-dodecarboranes into half-sandwich complexes of ruthenium, osmium, rhodium and iridium might lead to the development of a new class of compounds with applications in medicine...
  2. Sharma S, Park E, Park J, Kim I. Tandem Rh(III)-catalyzed oxidative acylation of secondary benzamides with aldehydes and intramolecular cyclization: the direct synthesis of 3-hydroxyisoindolin-1-ones. Org Lett. 2012;14:906-9 pubmed publisher
    The rhodium-catalyzed oxidative acylation between secondary benzamides and aryl aldehydes via sp(2) C-H bond activation followed by an intramolecular cyclization is described...
  3. Ruiz J, Rodríguez V, Cutillas N, Samper K, Capdevila M, Palacios O, et al. Novel C,N-chelate rhodium(III) and iridium(III) antitumor complexes incorporating a lipophilic steroidal conjugate and their interaction with DNA. Dalton Trans. 2012;41:12847-56 pubmed publisher
    ..Complexes 1 and 2 are also cathepsin B inhibitors, an enzyme implicated in a number of cancer related events...
  4. Tauchert M, Incarvito C, Rheingold A, Bergman R, Ellman J. Mechanism of the rhodium(III)-catalyzed arylation of imines via C-H bond functionalization: inhibition by substrate. J Am Chem Soc. 2012;134:1482-5 pubmed publisher
    ..The reaction was found to be first order in the catalyst resting state and inverse first order in the C-H activation substrate...
  5. Kim J, Park S, Ryu J, Cho S, Kim S, Chang S. Rhodium-catalyzed intermolecular amidation of arenes with sulfonyl azides via chelation-assisted C-H bond activation. J Am Chem Soc. 2012;134:9110-3 pubmed publisher
    ..The reaction is catalyzed by a cationic rhodium complex under external oxidant-free conditions in the atmospheric environment...
  6. Li Z, Parr B, Davies H. Highly stereoselective C-C bond formation by rhodium-catalyzed tandem ylide formation/[2,3]-sigmatropic rearrangement between donor/acceptor carbenoids and chiral allylic alcohols. J Am Chem Soc. 2012;134:10942-6 pubmed publisher
    The tandem ylide formation/[2,3]-sigmatropic rearrangement between donor/acceptor rhodium carbenoids and chiral allyl alcohols is a convergent C-C bond forming process, which generates two vicinal stereogenic centers...
  7. Zhang J, Liu J, Ugrinov A, Pillai A, Sun Z, Zhao P. Methoxy-directed aryl-to-aryl 1,3-rhodium migration. J Am Chem Soc. 2013;135:17270-3 pubmed publisher
    ..of a Rh(I) 2,6-dimethoxybenzoate complex that underwent stoichiometric rearrangement via a highly unusual 1,3-rhodium migration...
  8. Tsoupras A, Papakyriakou A, Demopoulos C, Philippopoulos A. Synthesis, biochemical evaluation and molecular modeling studies of novel rhodium complexes with nanomolar activity against Platelet Activating Factor. J Inorg Biochem. 2013;120:63-73 pubmed publisher
    ..L(1)=2,2'-pyridylquinoxaline (1-Cl), [Rh(L1)(cod)](NO3) (1-NO(3)) and a series of novel octahedral rhodium(III) complexes of the general formulae mer-[Rh(L(1))Cl(3)(MeOH)] (2) and cis-[Rh(L(2))(2)Cl(2)]Cl (L(2)=4 carboxy ..
  9. Ng K, Zhou Z, Yu W. Rhodium(III)-catalyzed intermolecular direct amination of aromatic C-H bonds with N-chloroamines. Org Lett. 2012;14:272-5 pubmed publisher
    ..Furthermore, we also developed a one-pot amination protocol involving in situ chlorination of the secondary amines. The catalytic amination operates at mild conditions with excellent functional group tolerance and regioselectivity...
  10. von Delius M, Le C, DONG V. Rhodium-phosphoramidite catalyzed alkene hydroacylation: mechanism and octaketide natural product synthesis. J Am Chem Soc. 2012;134:15022-32 pubmed publisher
    ..Together, these factors enable high reactivity and regioselectivity...
  11. Li Y, Zhang X, Chen K, He K, Pan F, Li B, et al. N-Directing group assisted rhodium-catalyzed aryl C-H addition to aryl aldehydes. Org Lett. 2012;14:636-9 pubmed publisher
    ..The method is highly atom-, step-, and redox-economic. The procedure is robust, reliable, and compatible with water and air...
  12. Hesp K, Bergman R, Ellman J. Rhodium-catalyzed synthesis of branched amines by direct addition of benzamides to imines. Org Lett. 2012;14:2304-7 pubmed publisher
    b>Rhodium-catalyzed addition of benzamide C-H bonds to a range of aromatic N-sulfonyl aldimines has been developed and proceeds with high functional group compatibility...
  13. Hyster T, Knörr L, Ward T, Rovis T. Biotinylated Rh(III) complexes in engineered streptavidin for accelerated asymmetric C-H activation. Science. 2012;338:500-3 pubmed publisher
    ..a glutamic acid or aspartic acid residue engineered into streptavidin acts in concert with a docked biotinylated rhodium(III) complex to enable catalytic asymmetric carbon-hydrogen (C-H) activation...
  14. Komor A, Schneider C, Weidmann A, Barton J. Cell-selective biological activity of rhodium metalloinsertors correlates with subcellular localization. J Am Chem Soc. 2012;134:19223-33 pubmed publisher
    ..b>Rhodium metalloinsertors have been found to bind DNA mismatches with high affinity and specificity in vitro, and also ..
  15. Dong L, Huang J, Qu C, Zhang Q, Zhang W, Han B, et al. Rhodium(III)-catalyzed vinylic sp2 C-H bond functionalization: efficient synthesis of pyrido[1,2-?]benzimidazoles and imidazo[1,2-?]pyridines. Org Biomol Chem. 2013;11:6142-9 pubmed publisher
    ..The method would allow a broad substrate scope, providing fused heterocycles with potential biological properties...
  16. Iavicoli I, Bocca B, Carelli G, Caroli S, Caimi S, Alimonti A, et al. Biomonitoring of tram drivers exposed to airborne platinum, rhodium and palladium. Int Arch Occup Environ Health. 2007;81:109-14 pubmed
    ..The aim of this study was to evaluate urinary levels of Pt, Rh and Pd in occupationally exposed subjects...
  17. Pierre V, Kaiser J, Barton J. Insights into finding a mismatch through the structure of a mispaired DNA bound by a rhodium intercalator. Proc Natl Acad Sci U S A. 2007;104:429-34 pubmed
    We report the 1.1-A resolution crystal structure of a bulky rhodium complex bound to two different DNA sites, mismatched and matched in the oligonucleotide 5'-(dCGGAAATTCCCG)2-3'...
  18. Bakhtina M, Lee S, Wang Y, Dunlap C, Lamarche B, Tsai M. Use of viscogens, dNTPalphaS, and rhodium(III) as probes in stopped-flow experiments to obtain new evidence for the mechanism of catalysis by DNA polymerase beta. Biochemistry. 2005;44:5177-87 pubmed
    ..The methodologies can be used to examine other DNA polymerases to answer whether the properties of Pol beta are exceptional or general...
  19. Junicke H, Hart J, Kisko J, Glebov O, Kirsch I, Barton J. A rhodium(III) complex for high-affinity DNA base-pair mismatch recognition. Proc Natl Acad Sci U S A. 2003;100:3737-42 pubmed
    A rhodium(III) complex, rac-[Rh(bpy)(2)phzi](3+) (bpy, 2,2'-bipyridine; phzi, benzo[a]phenazine-5,6-quinone diimine) has been designed as a sterically demanding intercalator targeted to destabilized mismatched sites in double-helical DNA...
  20. Szilvágyi G, Majer Z, Vass E, Hollosi M. Conformational studies on chiral rhodium complexes by ECD and VCD spectroscopy. Chirality. 2011;23:294-9 pubmed publisher
    ..The combination of the VCD and ECD spectroscopic methods led us to the structural characterization of the complexes...
  21. Katsaros N, Anagnostopoulou A. Rhodium and its compounds as potential agents in cancer treatment. Crit Rev Oncol Hematol. 2002;42:297-308 pubmed
    ..b>Rhodium belongs to the same group as platinum and ruthenium...
  22. Carneiro M, Nunes E, Peixoto R, Oliveira R, Lourenço L, da Silva I, et al. Free Rhodium (II) citrate and rhodium (II) citrate magnetic carriers as potential strategies for breast cancer therapy. J Nanobiotechnology. 2011;9:11 pubmed publisher
    b>Rhodium (II) citrate (Rh(2)(H(2)cit)(4)) has significant antitumor, cytotoxic, and cytostatic activity on Ehrlich ascite tumor...
  23. Zeglis B, Barton J. A mismatch-selective bifunctional rhodium-Oregon Green conjugate: a fluorescent probe for mismatched DNA. J Am Chem Soc. 2006;128:5654-5 pubmed
  24. Dunham S, Chifotides H, Mikulski S, Burr A, Dunbar K. Covalent binding and interstrand cross-linking of duplex DNA by dirhodium(II,II) carboxylate compounds. Biochemistry. 2005;44:996-1003 pubmed
    ..Since all three dirhodium compounds form covalent Rh-DNA adducts, including interstrand cross-links, it is important that DNA be considered a potential target for biological activity of these dirhodium carboxylate compounds...
  25. Migliore L, Frenzilli G, Nesti C, Fortaner S, Sabbioni E. Cytogenetic and oxidative damage induced in human lymphocytes by platinum, rhodium and palladium compounds. Mutagenesis. 2002;17:411-7 pubmed
    This study of soluble compounds of platinum, palladium and rhodium investigated the genotoxic properties of (NH(4))(2)PtCl(4), PtCl(2), PtCl(4), (NH(4))(2)PdCl(4), PdCl(2) and RhCl(3) using the human lymphocyte micronucleus (MN) assay ..
  26. Chifotides H, Koomen J, Kang M, Tichy S, Dunbar K, Russell D. Binding of DNA purine sites to dirhodium compounds probed by mass spectrometry. Inorg Chem. 2004;43:6177-87 pubmed
    ..Ultimately, both MALDI and ESI MS proved to be complementary, valuable tools for probing the identity and stability of dinuclear metal-DNA adducts...
  27. Oppenheimer J, Johnson W, Tracey M, Hsung R, Yao P, Liu R, et al. A rhodium(I)-catalyzed demethylation-cyclization of o-anisole-substituted ynamides in the synthesis of chiral 2-amido benzofurans. Org Lett. 2007;9:2361-4 pubmed
    ..A Rh(I)-catalyzed demethylation-cyclization sequence for a direct transformation of o-anisole-substituted ynamides to benzofurans is described here. The Ag salt functions synergistically with Rh(I) for the key demethylation step...
  28. Stokes B, Jovanović B, Dong H, Richert K, Riell R, Driver T. Rh(2)(II)-catalyzed synthesis of carbazoles from biaryl azides. J Org Chem. 2009;74:3225-8 pubmed publisher
    ..An array of carbazoles (23 examples) can be synthesized from substituted biaryl azides at 60 degrees C using substoichiometric quantities of Rh(2)(O(2)CC(3)F(7))(4) or Rh(2)(O(2)CC(7)H(15))(4)...
  29. Ernst R, Song H, Barton J. DNA mismatch binding and antiproliferative activity of rhodium metalloinsertors. J Am Chem Soc. 2009;131:2359-66 pubmed publisher
    Deficiencies in mismatch repair (MMR) are associated with carcinogenesis. Rhodium metalloinsertors bind to DNA base mismatches with high specificity and inhibit cellular proliferation preferentially in MMR-deficient cells versus MMR-..
  30. MANNING J, Davies H. One-pot synthesis of highly functionalized pyridines via a rhodium carbenoid induced ring expansion of isoxazoles. J Am Chem Soc. 2008;130:8602-3 pubmed publisher
    ..The first step in the reaction sequence is the formal insertion of rhodium vinylcarbenoids across the N-O bond of isoxazoles...
  31. Evans P, Inglesby P. Intermolecular rhodium-catalyzed [3+2+2] carbocyclization of alkenylidenecyclopropanes with activated alkynes: regio- and diastereoselective construction of cis-fused bicycloheptadienes. J Am Chem Soc. 2008;130:12838-9 pubmed publisher
    ..We have developed the first regio- and diastereoselective intermolecular rhodium-catalyzed [3+2+2] carbocyclization of carbon- and heteroatom-tethered alkenylidenecyclopropanes with mono- and ..
  32. Olson D, Du Bois J. Catalytic C-H amination for the preparation of substituted 1,2-diamines. J Am Chem Soc. 2008;130:11248-9 pubmed publisher
    b>Rhodium-catalyzed C-H insertion of hydroxylamine-derived sulfamate esters makes possible the synthesis of unique oxathiadiazinane heterocycles, which upon mild reduction furnish differentially substituted 1,2-diamine products...
  33. Frost C, Penrose S, Gleave R. Rhodium catalysed conjugate addition of a chiral alkenyltrifluoroborate salt: the enantioselective synthesis of hermitamides A and B. Org Biomol Chem. 2008;6:4340-7 pubmed publisher
    The concise enantioselective synthesis of hermitamides A and B is presented utilising a rhodium catalysed conjugate addition reaction to introduce the side chain and chiral information in a single step via an alkenyltrifluoroborate salt.
  34. Huang H, Liu X, Deng J, Qiu M, Zheng Z. Rhodium-catalyzed enantioselective hydrogenation of beta-phthalimide acrylates to synthesis of beta2-amino acids. Org Lett. 2006;8:3359-62 pubmed
    ..Structure: see text] The enantioselective hydrogenation of beta-phthalimide acrylates provides the corresponding chiral beta2-amino acids in excellent enantiomeric excess catalyzed by Rh-monophosphorus...
  35. Angeles Boza A, Chifotides H, Aguirre J, Chouai A, Fu P, Dunbar K, et al. Dirhodium(II,II) complexes: molecular characteristics that affect in vitro activity. J Med Chem. 2006;49:6841-7 pubmed
    ..The toxicities of complexes 1-8 are not related to their charge or the ease by which they transverse the cellular membrane but to the lability of the ligands on the dirhodium core...
  36. Walczak M, Wipf P. Rhodium(I)-catalyzed cycloisomerizations of bicyclobutanes. J Am Chem Soc. 2008;130:6924-5 pubmed publisher
    The selection of rhodium precatalyst and phosphine ligand determines the course of the cycloisomerization of N-allylated bicyclo[1.1.0]butylalkylamines...
  37. Maegawa T, Fujiwara Y, Inagaki Y, Esaki H, Monguchi Y, Sajiki H. Mild and efficient H/D exchange of alkanes based on C-H activation catalyzed by rhodium on charcoal. Angew Chem Int Ed Engl. 2008;47:5394-7 pubmed publisher
  38. Boscolo P, Di Giampaolo L, Reale M, Castellani M, Ritavolpe A, Carmignani M, et al. Different effects of platinum, palladium, and rhodium salts on lymphocyte proliferation and cytokine release. Ann Clin Lab Sci. 2004;34:299-306 pubmed
  39. Stokes B, Richert K, Driver T. Examination of the mechanism of Rh(2)(II)-catalyzed carbazole formation using intramolecular competition experiments. J Org Chem. 2009;74:6442-51 pubmed publisher
    The use of a rhodium(II) carboxylate catalyst enables the mild and stereoselective formation of carbazoles from biaryl azides. Intramolecular competition experiments of triaryl azides suggested the source of the selectivity...
  40. Evans D, Michael F, Tedrow J, Campos K. Application of chiral mixed phosphorus/sulfur ligands to enantioselective rhodium-catalyzed dehydroamino acid hydrogenation and ketone hydrosilylation processes. J Am Chem Soc. 2003;125:3534-43 pubmed
  41. Bieda R, Kitanovic I, Alborzinia H, Meyer A, Ott I, Wolfl S, et al. Antileukemic activity and cellular effects of rhodium(III) crown thiaether complexes. Biometals. 2011;24:645-61 pubmed publisher
    The cytostatic properties of novel rhodium(III) thiacrown ether complexes [RhCl(LL)([9]aneS(3))](n+) with either aromatic ?(2)N ligands (n = 2) or anionic chelate ligands (n = 1) have been investigated for the human cancer cell lines HT-..
  42. Burgos A, Belchior J, Sinisterra R. Controlled release of rhodium (II) carboxylates and their association complexes with cyclodextrins from hydroxyapatite matrix. Biomaterials. 2002;23:2519-26 pubmed
    Preparation and characterization of a controlled release system of rhodium (II) citrate, acetate. propionate, butyrate and their inclusion or association compounds with cyclodextrin (CD) are described...
  43. Gilbertson S, DeBoef B. Rhodium catalyzed [4 + 2 + 2] cycloaddition and alkyne insertion: a new route to eight-membered rings. J Am Chem Soc. 2002;124:8784-5 pubmed
    A novel variation of the rhodium catalyzed [4 + 2] reaction is reported. A catalyst system that forms an eight-membered ring product from the incorporation of an alkyne into a dienyne is discussed...
  44. Guimond N, Gouliaras C, Fagnou K. Rhodium(III)-catalyzed isoquinolone synthesis: the N-O bond as a handle for C-N bond formation and catalyst turnover. J Am Chem Soc. 2010;132:6908-9 pubmed publisher
    ..Mechanistic studies point out the important involvement of a N-O bond as a tool for C-N bond formation and catalyst turnover...
  45. Cho Y, Zunic V, Senboku H, Olsen M, Lautens M. Rhodium-catalyzed ring-opening reactions of N-boc-azabenzonorbornadienes with amine nucleophiles. J Am Chem Soc. 2006;128:6837-46 pubmed
    In the presence of a rhodium catalyst (5 mol %) generated in situ from [Rh(cod)Cl](2) and (S,S')-(R,R')-C(2)-ferriphos (4a), the asymmetric ring-opening reaction of azabenzonorbornadienes (1a-m) with various aliphatic and aromatic amines ..
  46. de Souza A, Coelho E, Zyngier S. Comparison of the anti-neoplastic effects of dirhodium(II) tetrapropionate and its adducts with nicotinate and isonicotinate anions in mice bearing Ehrlich tumors. Eur J Med Chem. 2006;41:1214-6 pubmed
    b>Rhodium(II) propionate, [Rh2(prop)4], and its adduct with nicotinate (nic-) and isonicotinate (isonic-) anions, [Rh2(prop)4(nic)2](2-) and [Rh2(prop)4(isonic)2](2-), respectively, were prepared for study...
  47. Park S, Kim J, Chang S. Rhodium-catalyzed selective olefination of arene esters via C-H bond activation. Org Lett. 2011;13:2372-5 pubmed publisher
    ..The reaction is highly regioselective with a range of benzoates and benzaldehydes enabling the efficient olefination with acrylates, acrylic acid, and styrenes...
  48. Phan D, Kim B, DONG V. Phthalides by rhodium-catalyzed ketone hydroacylation. J Am Chem Soc. 2009;131:15608-9 pubmed publisher
    ..Our study highlights the key role counterions play in controlling both reactivity and enantioselectivity. A concise asymmetric total synthesis of the celery extract (S)-(-)-3-n-butylphthalide is also presented...
  49. Stuart D, Alsabeh P, Kuhn M, Fagnou K. Rhodium(III)-catalyzed arene and alkene C-H bond functionalization leading to indoles and pyrroles. J Am Chem Soc. 2010;132:18326-39 pubmed publisher
    Recently, the rhodium(III)-complex [Cp*RhCl(2)](2) 1 has provided exciting opportunities for the efficient synthesis of aromatic heterocycles based on a rhodium-catalyzed C-H bond functionalization event...
  50. Wirth S, Rohbogner C, Cieslak M, Kazmierczak Baranska J, Donevski S, Nawrot B, et al. Rhodium(III) and iridium(III) complexes with 1,2-naphthoquinone-1-oximate as a bidentate ligand: synthesis, structure, and biological activity. J Biol Inorg Chem. 2010;15:429-40 pubmed publisher
    The synthesis and characterization of three novel iridium(III) complexes and one rhodium(III) complex with 1-nitroso-2-naphthol (3) chelating as a 1,2-naphthoquinone-1-oximato ligand are described...
  51. Willis M, Randell Sly H, Woodward R, McNally S, Currie G. Rhodium-catalyzed intermolecular chelation controlled alkene and alkyne hydroacylation: synthetic scope of beta-S-substituted aldehyde substrates. J Org Chem. 2006;71:5291-7 pubmed
    The use of beta-S-substituted aldehydes in rhodium-catalyzed intermolecular hydroacylation reactions is reported...
  52. Lokesh K, Shivaraj Y, Dayananda B, Chandra S. Synthesis of phthalocyanine stabilized rhodium nanoparticles and their application in biosensing of cytochrome c. Bioelectrochemistry. 2009;75:104-9 pubmed publisher
    A single step synthesis route is described for the preparation of rhodium nanoparticles using a cobalt aminophthalocyanine macrocyclic complex as a stabilizer...
  53. Parsons S, Hooper J, Willis M. O-substituted alkyl aldehydes for rhodium-catalyzed intermolecular alkyne hydroacylation: the utility of methylthiomethyl ethers. Org Lett. 2011;13:998-1000 pubmed publisher
    ..The product MTM ethers can be converted to the free hydroxyl group either in situ, by the addition of water to the completed reaction, or in a separate operation, by the action of silver nitrate...