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[PDF] Top 20 Synthetic and structural studies of permethylscandocene and permethyltantalocene derivatives

Has 10000 "Synthetic and structural studies of permethylscandocene and permethyltantalocene derivatives" found on our website. Below are the top 20 most common "Synthetic and structural studies of permethylscandocene and permethyltantalocene derivatives".

Synthetic and structural studies of permethylscandocene and permethyltantalocene derivatives

Synthetic and structural studies of permethylscandocene and permethyltantalocene derivatives

... of 0 to the metal center to give an 112 acyl complex.s This coordination mode activates the CO toward further reaction, as evidenced by observed dimerization and tetr[r] ... See full document

118

Synthetic and structural studies of 1 halo 8 (alkylchalcogeno)naphthalene derivatives

Synthetic and structural studies of 1 halo 8 (alkylchalcogeno)naphthalene derivatives

... of derivatives 1-8 imposes a great amount of steric strain between the ...all derivatives this distance is between 82 and 88 % of the vdW sum (Table ... See full document

24

Structural and synthetic studies of toxic terpenoids

Structural and synthetic studies of toxic terpenoids

... Conversion of the ketone to cyclo- hexylmethylnitrile derivatives followed by oxidations of the allyl group and ring closure gave two series of decalin carbonitrile[r] ... See full document

235

Synthetic studies on R207910, aza-Diospongin A and hydroxylamine derivatives

Synthetic studies on R207910, aza-Diospongin A and hydroxylamine derivatives

... the structural complexity, paucity, side effects of, these pharmacologically active natural compounds has set limitations to use them as drug ...similar synthetic analogues with minimum molecular complexity ... See full document

15

Synthetic, structural and spectroscopic studies of peri substituted systems and their complexes

Synthetic, structural and spectroscopic studies of peri substituted systems and their complexes

... It was also noted, when the products were left overnight in chlorinated solvent, the solution changed colour from yellow to green. 31 P NMR of the green solution showed degradation of product, with the only peaks being ... See full document

305

Structural and quantum chemical studies on aryl sulfonyl piperazine derivatives

Structural and quantum chemical studies on aryl sulfonyl piperazine derivatives

... first synthetic antibiotics to be used in clinic and they exhibit interesting pharmacological properties, such as selectivity to bacterial cells and low ...sulfonamides derivatives were synthesized, ... See full document

10

Synthetic, structural, and spectroscopic studies of sterically crowded tin chalcogen acenaphthenes

Synthetic, structural, and spectroscopic studies of sterically crowded tin chalcogen acenaphthenes

... As expected, the stronger 3c-4e Cl-Sn-E bonding present in 5-9 has a greater impact on counteracting the steric repulsion that invariably builds up between the closely aligned Sn and E lone- pair orbitals and is thus ... See full document

15

Synthetic, structural, and stability studies of metal complexes of cross -bridged tetraamine macrocycles

Synthetic, structural, and stability studies of metal complexes of cross -bridged tetraamine macrocycles

... Ancillary ligands in this complex include one water as well as a bridging chloride from the ZnCfr2' counterion. The inter- and intra-molecular hydrogen bonding interactions from two such units result in a pseudo-dimeric ... See full document

360

Synthetic, Spectroscopic, Structural and Computational Studies of Enyl and Ynyl Carbon-Rich Complexes

Synthetic, Spectroscopic, Structural and Computational Studies of Enyl and Ynyl Carbon-Rich Complexes

... methanol derivatives through the reaction of acetylide anions with chloroethylformate, has been ...This synthetic protocol is not only high yielding, but avoids the harsh conditions used in literature ... See full document

330

Reactivity profile of a peri substitution stabilized phosphanylidene phosphorane : synthetic, structural, and computational studies

Reactivity profile of a peri substitution stabilized phosphanylidene phosphorane : synthetic, structural, and computational studies

... 18 the donor stabilization is rather efficient in these literature species as some of the derivatives were inert enough to be purified by column chromatography. An interesting observation from the reactions with ... See full document

38

Applications of X ray crystallography: studies into the structural perturbations of peri substituted naphthalene derivatives

Applications of X ray crystallography: studies into the structural perturbations of peri substituted naphthalene derivatives

... Se Se Figure 4-1. Naphtho[1,8-c,d]-1,2-diselenole (Se 2 naph). Both of these procedures are in reality quite lengthy and present a number of synthetic hurdles. For example, the experimental details reported by ... See full document

278

STRUCTURAL STUDIES ON LAMELLARIN ALKALOIDS, TOTAL SYNTHESIS OF PURPURAMINE-K AND DEVELOPMENT OF NOVEL SYNTHETIC METHODOLOGIES.

STRUCTURAL STUDIES ON LAMELLARIN ALKALOIDS, TOTAL SYNTHESIS OF PURPURAMINE-K AND DEVELOPMENT OF NOVEL SYNTHETIC METHODOLOGIES.

... quinoline derivatives have been found to possess a wide spectrum of biological actions such as psychotropic, anti-allergic, anti-inflammatory and estrogenic ... See full document

6

Synthesis, structural studies and antituberculosis evaluation of new hydrazone derivatives of quinoline and their Zn(II) complexes

Synthesis, structural studies and antituberculosis evaluation of new hydrazone derivatives of quinoline and their Zn(II) complexes

... the synthetic flexibility of quinoline hydrazones, which allows the generation of a large number of structurally diverse derivatives and their metal complexes [9,10] ...hydrazone derivatives are ... See full document

11

Studies of synthetic chalcone derivatives as potential inhibitors of secretory phospholipase A2, cyclooxygenases, lipoxygenase and pro-inflammatory cytokines

Studies of synthetic chalcone derivatives as potential inhibitors of secretory phospholipase A2, cyclooxygenases, lipoxygenase and pro-inflammatory cytokines

... significant structural constituent of the outer membrane of gram-negative bacteria, and the literature suggests its role as an immunostimulator that induces systemic inflammation response, and particularly, the ... See full document

14

Therapeutic journey of synthetic betacarboline derivatives:  A short review

Therapeutic journey of synthetic betacarboline derivatives: A short review

... (QSAR) studies have been performed on β- carboline derivatives to explore the structural necessities for antitumor ...QSAR studies were done using V-Life Sciences MDS ...the structural ... See full document

8

Structural and synthetic studies of alkaloids of the Proteaceae

Structural and synthetic studies of alkaloids of the Proteaceae

... The approach was based on hydrogen bonding studies and the correlation of observed v c_ o values for tropine and pseudotropine with values of known axial and equatorial hydroxy cycloa[r] ... See full document

290

Diverse derivatives of selenoureas : a synthetic and single crystal structural study

Diverse derivatives of selenoureas : a synthetic and single crystal structural study

... A combination of strong intramolecular and intermolecular N–H ··· O hydrogen bonding, complemented by weaker interactions involving Se results in the supramolecular structure as shown in[r] ... See full document

15

“STUDIES ON NEW SYNTHETIC STRATEGIES FOR O- AND S-DERIVATIVES OF MONOTERPENES

“STUDIES ON NEW SYNTHETIC STRATEGIES FOR O- AND S-DERIVATIVES OF MONOTERPENES

... as synthetic approach to them are given, as an introduction to the present ...classical synthetic organic chemistry, and it continues to be a topic of active research even ...as synthetic tools is ... See full document

6

Synthetic and structural studies on dinuclear rhodium (ii) compounds

Synthetic and structural studies on dinuclear rhodium (ii) compounds

... Structure Analysis And Refinement:- Direct methods (Rh atoms) followed by alternating cycles of least-squares refinement and difference-fourier synthesis. The asymmetric unit contains one badly disordered molecule of ... See full document

258

NEUROPSYCHOPHARMACOLOGIC STUDIES OF MARIJUANA: SOME SYNTHETIC AND NATURAL THC DERIVATIVES IN ANIMALS AND MAN *

NEUROPSYCHOPHARMACOLOGIC STUDIES OF MARIJUANA: SOME SYNTHETIC AND NATURAL THC DERIVATIVES IN ANIMALS AND MAN *

... Many investigators have observed that marijuana smoking or T H C derivatives in man cause a significant increase in heart rate.5751 Manno and coworkersm and Renault[r] ... See full document

26

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