• No results found

Functionalisation with thiols and primary amines

Tetrazine norbornene cycloadditions in macromolecular synthesis and functionalisation

Tetrazine norbornene cycloadditions in macromolecular synthesis and functionalisation

... when functionalisation or polymer linking is done using an excess of small molecule ...using thiols require catalysts and/or initiators to proceed at acceptable rates, which can lead to purification ...

297

Functionalisation of surfaces and interfaces : molecules, particles and crystals

Functionalisation of surfaces and interfaces : molecules, particles and crystals

... Attempts to increase the lateral interaction and improving the stability of the SAMs involved a series of further investigations adding to the deposition solution dodecane or undecane thiols in different ...

223

Solvent-Free Acylation of Alcohols, Phenols, Thiols and Amines

Solvent-Free Acylation of Alcohols, Phenols, Thiols and Amines

... In this system, the catalyst was successfully employed for acylation of a wide range of alcohols, phenols and amines. In the case of alcohols and phenols, an acid chloride was preferred over the corresponding ...

8

Oxidation of primary amines to ketones

Oxidation of primary amines to ketones

... Abstract: A simple method for the oxidation of primary amines to the corresponding ketones that proceeds in the presence of both moisture and air is described. Treatment of an amine with benzoyl peroxide in ...

6

Hydrogen bonding in primary aromatic amines

Hydrogen bonding in primary aromatic amines

... "V The ten primary anilines with a single ortho-methyl group all conform to equation 2.4 with a standard deviation of l«0 dsT*. This agreement is not surprising as there is no evidence of any interaction between ...

183

Synthesis of Boron-Containing Primary Amines

Synthesis of Boron-Containing Primary Amines

... a primary amine [Scheme ...a primary amine are reacted in a one-pot method to generate the desired ...on primary amines as the only source to introduce the side chain to the peptoid ...

22

Ultrasound assisted one pot synthesis of various primary amines

Ultrasound assisted one pot synthesis of various primary amines

... propoxide, primary amines, ketones and ultrasound irradiation _ ____________________________________________________________________________________________ INTRODUCTION Reductive amination of carbonyl ...

5

Ammonium Phenylphosphonamidodiselenoates and Phenylphosphonamidodi selenoic Diamides from the Selenation of Primary and Secondary Amines

Ammonium Phenylphosphonamidodiselenoates and Phenylphosphonamidodi selenoic Diamides from the Selenation of Primary and Secondary Amines

... of primary or secondary amines with 2,4-bis(phenyl)-1,3- diselenadiphosphetane-2,4-diselenide (Woollins’ reagent) at room temperature a series of new ammonium phenylphosphonamidodiselenoates 1 – 7 have been ...

15

Organophosphorus Selenium Heteroatom Derivatives from Selenation of Primary/Secondary Amines and Haloalkanes/Dihaloalkanes

Organophosphorus Selenium Heteroatom Derivatives from Selenation of Primary/Secondary Amines and Haloalkanes/Dihaloalkanes

... / Amines / Haloalkanes Reaction of 2,4-bis(phenyl)-1,3-diselenadiphosphetane-2,4- diselenide [Woollins’ reagent, WR] with four equivalents of primary/secondary amines led to a series of ammonium ...

9

SYNTHESIS OF HETEROCYCLIC NITROGEN COMPOUNDS BY CLOSURE REACTIONS USING TETRAACETYLETHANE WITH VARIOUS PRIMARY AMINES

SYNTHESIS OF HETEROCYCLIC NITROGEN COMPOUNDS BY CLOSURE REACTIONS USING TETRAACETYLETHANE WITH VARIOUS PRIMARY AMINES

... with primary amines in refluxing ethanol and acetonitrile as solvents and without using any ...with primary amines (e.g. , hydrazine hydrate and primary aromatic amines) in 1:2 ...

7

KINETICS OF OXIDATION OF ALIPHATIC PRIMARY AMINES BY CAB IN ALKALINE MEDIUM CATALYZED BY β –CYCLODEXTRINE

KINETICS OF OXIDATION OF ALIPHATIC PRIMARY AMINES BY CAB IN ALKALINE MEDIUM CATALYZED BY β –CYCLODEXTRINE

... The kinetic run was carried out with stoichiometric excess of substrate at constant [NaOH] and [βCD], Plots of log [CAB] vs time were linear with slope equal to unity table-1, fig.1 indicating first order dependence of ...

6

CHAPTER 7 ALCOHOLS, THIOLS, PHENOLS, ETHERS

CHAPTER 7 ALCOHOLS, THIOLS, PHENOLS, ETHERS

... Alcohols are prepared by regio- and stereoselective hydration of alkenes by oxymercuration-demercuration, hydroboration-oxidation, and by direct hydroxylation. Grignard reactions with carbonyl compounds give alcohols. ...

33

Technique for the Determination of Migratable Primary Aromatic Amines Applied to Multi-Laminate Pouches Utilizing Polyurethane Adhesives

Technique for the Determination of Migratable Primary Aromatic Amines Applied to Multi-Laminate Pouches Utilizing Polyurethane Adhesives

... Materials used in multi-layered laminates can be comprised of polymeric, paper, and/or foil substrates. Laminations are conducted with machines that take rolls of the substrates and unwind them via a primary and ...

86

Annex 1 Primary aromatic amines

Annex 1 Primary aromatic amines

... 1 PROTOCOL A BY LC-MS 1.1 Principle This method was elaborated and validated for those PAA´s being derived from isocyanates listed in Directive 2002/72/EC and the following Directives. The method can be extended to ...

26

Amines

Amines

... aliphatic amines are soluble in water, but higher amines are insoluble in ...lower amines can form H-bonds with water, but higher amines ...of amines in water decreases with increase in ...

9

Permeability of Alkanethiols Self-Assembled Monolayers on Gold Prepared by Neat Thiols and Ethanolic Thiols

Permeability of Alkanethiols Self-Assembled Monolayers on Gold Prepared by Neat Thiols and Ethanolic Thiols

... neat thiols SAMs was smaller than that for ethanolic thiols ...ethanolic thiols SAMs than neat thiols SAMs because ethanol might easily interfere with the order of short-chian thiols ...

13

EFFECT OF THIOLS ON FRUCTOSAMINE ASSAY

EFFECT OF THIOLS ON FRUCTOSAMINE ASSAY

... Since the absorbance increase in the interval from 9 to 10 min was used in the fructosamine assay of" glycated human serum we studied the effect of thiols on that[r] ...

7

Discovery and functionalisation of microporous materials

Discovery and functionalisation of microporous materials

... encapsulated solvent molecules can be removed without loss of the porous structure, and that gases can then be adsorbed in the hexagonal channels of the permanent porous crystals. TPP [r] ...

207

Effect of Thiols for Nitrogen Reduction to Ammonia

Effect of Thiols for Nitrogen Reduction to Ammonia

... 10 To test the stability of the thiols on the surface of the films, ethanol was flowed over the films while in the QCM. The thiol mass unloaded is show in Figure 4a and 4b as well. There was stable attachment with ...

18

The electrochemical stability of thiols on gold surfaces

The electrochemical stability of thiols on gold surfaces

... heterocyclic thiols on the Au(111) and Au(100) faces in relation to the theoretical energetic ...different thiols show a good correlation with the surface free energy of the SAMs estimated by density ...

22

Show all 10000 documents...

Related subjects