[PDF] Top 20 The challenge of C-H activation in organic synthesis.
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The challenge of C-H activation in organic synthesis.
... ligação C-H (hiperconjugação) facilitam a oxidação do grupo metileno, pois o tornam mais rico ...ligações C-H em C1 e C3, incrementando as interações 1,3-diaxiais entre ... See full document
12
Organic Synthesis: New Vistas in the Brazilian Landscape
... diversification. In a recent work, the group described a two-step reaction sequence for the asymmetric formal α- propargylation of ketones (Jurberg 2017a) (Figure ...examples of ... See full document
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Cell-free H-cluster synthesis and [FeFe] hydrogenase activation: all five CO and CN⁻ ligands derive from tyrosine.
... [16,17,18], the required methods and nature of the results highlight the need for approaches in which the complete H-cluster biosynthetic pathway is reconstruct- ... See full document
8
The use of microwave ovens in solid-phase organic synthesis.
... 9225; Sanseverino, A. M.; Quim. Nova 2002, 25, 660.; Barbosa, A. C. R. N.; Cruz, C. V. M. S.; Graziani, M. B.; Lorenzetti, M. C. F.; Sabadini, E.; Quim. Nova 2001, 24, 901; Pecoraro, E.; Davolos, M. ... See full document
4
The role of business intelligence in decision process modeling
... on the current research of domestic and foreign experts in the i eld of business intelligence, it has been shown that this area has vast potential but is still relatively unrevealed ... See full document
9
CHEMICAL CHARACTERIZATION AND INFRARED SPECTROSCOPY OF SOIL ORGANIC MATTER FROM TWO SOUTHERN BRAZILIAN SOILS
... for the HU fraction in both soils points to a higher Oxygen content in the humin fraction, and this fact tallies well with the presence of carboxylate groups, identified ... See full document
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MACRO DEFECT FREE MATERIALS; THE CHALLENGE OF MECHANOCHEMICAL ACTIVATION
... goal of any mode of intimate mixing of the polymer phase with the inorganic cement phases is to achieve and produce, through great degree of mixing, stronger polymer cross ... See full document
6
J. Braz. Chem. Soc. vol.22 número3
... test the possibility of a direct synthesis of 3-bromotetronamides, equimolar amounts of 1 and morpholine were reacted in diverse solvents and temperatures, but the ... See full document
17
Electronic Government In Democratic Public Service In One Door Integrated Permit Handling Services Agency In The City Of Samarinda
... use of electronic government in the function of serving the ...community. The emphasis in information technology to avoid the digital gap in at ...least. ... See full document
6
Selection of the temperature of casting the bronzes to plaster moulds
... view of the drop of the solidification bronze on plaster mould and the fragments of plaster mould from the side of the contact with the melted drop ... See full document
6
Factors Affecting The Adoption Of Mhealth In Maternal Health Care In Nakuru Provincial General Hospital
... stated in their constitutions, signed treaties and conventions. Ministries of health oversee the overall development of health systems using their governance function, which includes policy ... See full document
14
An Advancement To The Security Level Through Galois Field In The Existing Password Based Technique Of Hiding Classified Information In Images
... number of ASCII characters. Tables 1-2 indicate the PSNR values for various Stego-images of size 256 x 256 using the proposed techniques, calculated for 1500 ...with the Lena image ... See full document
6
The Impact of E-Commerce Securi ty, and National Environment on Consumer adoption of Intern et Banking in Malaysia and Singapore
... as the extent to which a person views an innovation as offering an advantage over previous ways of performing the same task (Roger, 1983; Agarwal & Prasad, ...adopters of Internet banking ... See full document
20
J. Braz. Chem. Soc. vol.26 número6
... from the National University of Rosario (UNR), working at the Institute of Synthetic Organic Chemistry (IQUIOS) under the guidance of Professor Edmundo ...at The ... See full document
31
TIME SERIES MORPHOLOGICAL ANALYSIS APPLIED TO BIOMEDICAL SIGNALS EVENTS DETECTION
... differences in neuromuscular and biomechanical function what may explain the different rates of injury in men and ...women. The different activation strategies or kinematics ... See full document
117
D-Mannitol in Organic Synthesis.
... Por ser um poliol altamente versátil apresenta diferentes aplica- ções, sendo utilizado para os mais diversos fins, que estão resumidos no Esquema 2. Na indústria farmacêutica, é usado como excipiente em comprimidos, ... See full document
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Clean organic synthesis.
... Deve-se observar que a não recuperação de solventes acarreta, geralmente, um maior custo em termos de tratamento de efluentes e um desperdício de um material que poderia ser reaproveitado. A toxidade, inflamabilidade e ... See full document
6
Model of knowledge representation about materials in the form of a relational database for CAPCAST system
... Checking the dependency of attributes is done to omit the un- necessary attributes, the step which can be of crucial importance in optimising the decision-making ...number ... See full document
6
The quality of castings obtained during lost-wax and Replicast CS processes in aspect of ecology
... Badania zosta ły przeprowadzone na skomputeryzowanym stanowisku z profilometrem cyfrowym firmy Perthen Mehr. Badaniom poddano 9 odlewów typu B oraz 17 odlewów typu A. Wszystkie odlewy zostały wykonane ze staliwa ... See full document
5
Reactivity of α-oxoketene dithiocetals in organic synthesis.
... pirazolo[1,5-a]piridinas 100 através da reação do lítio pirazol-2- carboxilato formado in situ com o α-oxoceteno ditiometilacetal 98. O reagente organometálico adiciona-se à carbonila dos α-oxoceteno ditioacetais ... See full document
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