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Photoisomerization of cis,cis-1,4-diphenyl-1,3-butadiene in glassy media at 77 K: the bicycle-pedal mechanism
Tuesday, February 28, 2006 - 05:39 PM - 4 years, 5 months ago - 711 Reads - Chemistry - RSC Chemical Communications
The cis-trans photoisomerization of cis,cis-1,4-diphenyl-1,3-butadiene in a soft isopentane glass at 77 K gives significant two-bond photoisomerization in contrast to fluid solution and hard ... (Read More)
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First application of supported ionic liquid phase (SILP) catalysis for continuous methanol carbonylation
Friday, January 20, 2006 - 12:00 AM - 4 years, 6 months ago - 477 Reads - Chemistry - RSC Chemical Communications
A solid, silica-supported ionic liquid phase rhodium iodide Monsanto-type catalyst system, [BMIM][Rh(CO)2I2]-[BMIM]I-SiO2, exhibits excellent activity and selectivity towards acetyl products in ... (Read More)
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Virtual 3D nanorobots could lead to real cancer-fighting technology
Wednesday, December 31, 1969 - 06:00 PM - 40 years, 7 months ago - 474 Reads - Nanotech - Nanotechnology.com |
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Acyclic diaminocarbenes: simple, versatile ligands for cross-coupling reactions
Thursday, January 19, 2006 - 12:00 AM - 4 years, 6 months ago - 451 Reads - Chemistry - RSC Chemical Communications
Acyclic diaminocarbenes are shown to be useful, practical ligands for several palladium-catalyzed cross-coupling reactions. Bhartesh Dhudshia, Avinash N. Thadani (Communication from Chem. ... (Read More)
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A mild, copper catalyzed route to conducting polyaniline
Friday, January 20, 2006 - 12:00 AM - 4 years, 6 months ago - 439 Reads - Chemistry - RSC Chemical Communications
The aniline dimer has been polymerized cleanly under mild conditions to obtain polyaniline using a copper(ii) scorpionate [MeB(3-(Mes)Pz)3]CuCl as the catalyst and H2O2 as the oxidant. H. V. ... (Read More)
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Total synthesis of floresolide B and [capital Delta]6,7-Z-floresolide B
Friday, January 20, 2006 - 12:00 AM - 4 years, 6 months ago - 430 Reads - Chemistry - RSC Chemical Communications
The total syntheses of the cytotoxin marine natural product floresolide B (1) and its [capital Delta]6,7-Z isomer (2) have been achieved through an olefin metathesis-based strategy. K. C. ... (Read More)
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MEMS Product Development Engineer; BioScale
Monday, August 06, 2007 - 08:45 AM - 2 years, 11 months ago - 425 Reads - Career - Employment - TinyTechJobs.com Nanotech Jobs
Cambridge, MA USA
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Conformal coating of nanoscale features of microporous Anodisc[trade mark sign] membranes with zirconium and titanium oxides
Friday, January 13, 2006 - 12:00 AM - 4 years, 6 months ago - 423 Reads - Chemistry - RSC Chemical Communications
We report on a new solution technique known as Polymer Assisted Deposition (PAD) and its ability to conformally coat porous materials with 200 nm openings. Piyush Shukla, Edel M. Minogue, T. ... (Read More)
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Use of streptomycin for precipitation and detection of proteinase K resistant prion protein (PrPsc) in biological samples
Friday, January 20, 2006 - 12:00 AM - 4 years, 6 months ago - 420 Reads - Chemistry - RSC Chemical Communications
The ability of streptomycin to form multimolecular aggregates with pathogenic prion proteins and their recovery by precipitation via a low-speed centrifugation step has been demonstrated. Aly ... (Read More)
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Isoindoles and dihydroisoquinolines by gold-catalyzed intramolecular hydroamination of alkynes
Thursday, January 12, 2006 - 12:00 AM - 4 years, 6 months ago - 414 Reads - Chemistry - RSC Chemical Communications
The combination of the Ugi-four-component reaction with a gold-catalyzed hydroamination gives access to chiral isoindoles and dihydroisoquinolines of high complexity in just two reaction steps. ... (Read More)
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Advanced functional properties in nanoporous coordination framework materials
Friday, January 20, 2006 - 12:00 AM - 4 years, 6 months ago - 412 Reads - Chemistry - RSC Chemical Communications
Coordination framework materials display a rich array of host-guest properties and are notable amongst porous media for their extreme chemical versatility. This article highlights a number of ... (Read More)
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Dual mechanism of zinc-proline catalyzed aldol reactions in water
Thursday, March 02, 2006 - 11:54 AM - 4 years, 5 months ago - 409 Reads - Chemistry - RSC Chemical Communications
The aqueous aldolization catalyzed by zinc-proline and secondary amines occurs via an enamine with acetone and via an enolate with dihydroxyacetone, as shown by reductive trapping and Bronsted ... (Read More)
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A non-fluorous copper catalyst for the styrene cyclopropanation reaction in a fluorous medium
Friday, January 20, 2006 - 12:00 AM - 4 years, 6 months ago - 401 Reads - Chemistry - RSC Chemical Communications
The complex TpBr3Cu(NCMe), containing no fluorine atoms, can be dissolved in the perfluoropolyether FOMBLIN[registered sign] and employed as a catalyst for the styrene cyclopropanation reaction ... (Read More)
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Photooxidation of Co-thiolato complexes in protic and aprotic solvents
Friday, January 20, 2006 - 12:00 AM - 4 years, 6 months ago - 390 Reads - Chemistry - RSC Chemical Communications
Protic solvents decrease the susceptibility of the thiolate ligand in Co(iii) thiolato complexes toward attack by singlet oxygen, but greatly increase the conversion of the peroxidic ... (Read More)
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Palladium-catalyzed addition of alkynes to cyclopropenes
Thursday, January 19, 2006 - 12:00 AM - 4 years, 6 months ago - 390 Reads - Chemistry - RSC Chemical Communications
Palladium catalyzed addition of alkynes to cyclopropenes occurs in high yield under mild conditions without the need to protect many sensitive functional groups (aldehydes and carboxylic acids). ... (Read More)
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Baker's yeast-mediated enantioselective reduction of substituted fluorenones
Friday, January 13, 2006 - 12:00 AM - 4 years, 6 months ago - 389 Reads - Chemistry - RSC Chemical Communications
In the presence of DMSO as co-solvent and under vigorous agitation, baker's yeast in water was found to reduce substituted fluorenones to the corresponding fluorenols in good to excellent ... (Read More)
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Molecular sieving using nanofilters: Past, present and future
Monday, November 26, 2007 - 07:23 AM - 2 years, 8 months ago - 389 Reads - Semiconductor - MEMS - RSC Lab on a Chip Jongyoon Han, Jianping Fu, Reto B. Schoch (Critical Review from Lab Chip) Jongyoon Han, Lab Chip, 2008, DOI: 10.1039/b714128a To cite this article before page numbers are assigned, use ... (Read More) |
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A new stepwise synthesis of a family of propylamines derived from diatom silaffins and their activity in silicification
Friday, February 24, 2006 - 12:44 PM - 4 years, 5 months ago - 386 Reads - Chemistry - RSC Chemical Communications
A new method for the stepwise synthesis of propylamines as found in diatoms is presented and their activity in silicic acid condensation is described. Vadim V. Annenkov, Siddharth V. ... (Read More)
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Electrochemical oxidation of catechol in the presence of cyclopentadiene. Investigation of electrochemically induced Diels-Alder reactions
Wednesday, March 08, 2006 - 05:14 AM - 4 years, 4 months ago - 382 Reads - Chemistry - RSC Chemical Communications
We describe the synthesis and kinetic evaluation of compounds from [4 + 2] alone and [4 + 2] followed by [2 + 2] cycloaddition reactions of electrochemically generated o-benzoquinone with ... (Read More)
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Balancing flexibility and stress in DNA nanostructures
Friday, January 20, 2006 - 12:00 AM - 4 years, 6 months ago - 380 Reads - Chemistry - RSC Chemical Communications
A subtle balance of flexibility and stress is found to be critical for a DNA nanostructure to be a good self-assembly block. Yu He, Chengde Mao (Communication from Chem. Commun.) Yu He, Chem. ... (Read More)
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![Total synthesis of floresolide B and [capital Delta]6,7-Z-floresolide B Total synthesis of floresolide B and [capital Delta]6,7-Z-floresolide B](/modules/tRSSNews/pnimages/rssimgs/rss43d0fe529ddf6.gif)
![Conformal coating of nanoscale features of microporous Anodisc[trade mark sign] membranes with zirconium and titanium oxides Conformal coating of nanoscale features of microporous Anodisc[trade mark sign] membranes with zirconium and titanium oxides](/modules/tRSSNews/pnimages/rssimgs/rss43cb266aa2d4d.gif)







