All Outputs (32)

Sequestration of edible oil from emulsions using new single and double layered microcapsules from plant spores (2012)
Journal Article
Diego-Taboada, A., Cousson, P., Raynaud, E., Huang, Y., Lorch, M., Binks, B., Queneau, Y., Boa, A. N., Atkin, S. L., Beckett, S. T., & Mackenzie, G. (2012). Sequestration of edible oil from emulsions using new single and double layered microcapsules from plant spores. Journal of Materials Chemistry, 22(19), 9767-9773. https://doi.org/10.1039/c2jm00103a

Microcapsules were obtained conveniently from Lycopodium clavatum spores possessing either a single layered shell of sporopollenin (exine) or double layered shell of sporopollenin and cellulose with an inner layer (intine). These microcapsules were f... Read More about Sequestration of edible oil from emulsions using new single and double layered microcapsules from plant spores.

Effect of non-steroidal anti-inflammatory drugs and new fenamate analogues on TRPC4 and TRPC5 channels (2012)
Journal Article
Jiang, H., Zeng, B., Chen, G.-L., Bot, D., Eastmond, S., Elsenussi, S. E., Atkin, S. L., Boa, A. N., & Xu, S.-Z. (2012). Effect of non-steroidal anti-inflammatory drugs and new fenamate analogues on TRPC4 and TRPC5 channels. Biochemical Pharmacology, 83(7), 923-931. https://doi.org/10.1016/j.bcp.2012.01.014

Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used anti-inflammatory therapeutic agents,among which the fenamate analogues play important roles in regulating intracellular Ca²⁺ transient and ion channels. However, the effect of... Read More about Effect of non-steroidal anti-inflammatory drugs and new fenamate analogues on TRPC4 and TRPC5 channels.

Dimroth-type rearrangement of 1-benzyl- and 1-glycosyl-5-aminoimidazoles to 4-(N-substituted amino)imidazoles (2011)
Journal Article
Costanzi, S., Rouse, S. P., Vanbaelinghem, L., Prior, T., Ewing, D. F., Boa, A. N., & Mackenzie, G. (2012). Dimroth-type rearrangement of 1-benzyl- and 1-glycosyl-5-aminoimidazoles to 4-(N-substituted amino)imidazoles. Tetrahedron letters; the international organ for the rapid publication of preliminary communications in organic chemistry, 53(4), 412-415. https://doi.org/10.1016/j.tetlet.2011.11.058

An efficient route is described to an unusual exocyclic 4-β-d-ribofuranosyl-aminoimidazole nucleoside, related 4-N-benzylaminoimidazoles and imidazole analogues of precursors in the de novo biosynthesis of purines, via a regiospecific and stereoselec... Read More about Dimroth-type rearrangement of 1-benzyl- and 1-glycosyl-5-aminoimidazoles to 4-(N-substituted amino)imidazoles.

A synthesis of bredinin (Mizoribine®) from an acyclic precursor (2011)
Journal Article
Humble, R. W., Middleton, D. F., Banoub, J., Ewing, D. F., Boa, A. N., & Mackenzie, G. (2011). A synthesis of bredinin (Mizoribine®) from an acyclic precursor. Tetrahedron letters; the international organ for the rapid publication of preliminary communications in organic chemistry, 52(47), 6223-6227. https://doi.org/10.1016/j.tetlet.2011.09.085

Bredinin (4-carbamoyl-1-β-D-ribofuranosylimidazolium-5-olate, 1) was synthesised by the formation of amalonamate from 2,3-isopropylidene-D-ribofuranosylamine and ethyl malonyl chloride, followed by a sequence involving amination, via reduction of an... Read More about A synthesis of bredinin (Mizoribine®) from an acyclic precursor.

Sporopollenin capsules at fluid interfaces: Particle-stabilised emulsions and liquid marbles (2011)
Journal Article
Binks, B., Boa, A. N., Kibble, M. A., MacKenzie, G., & Rocher, A. (2011). Sporopollenin capsules at fluid interfaces: Particle-stabilised emulsions and liquid marbles. Soft matter, 7(8), 4017-4024. https://doi.org/10.1039/c0sm01516d

Hollow particles of sporopollenin from spores of the plant Lycopodium clavatum have been prepared. These particles possess ionisable groups on their surface such that they become increasingly negatively charged with an increase in pH. The particles a... Read More about Sporopollenin capsules at fluid interfaces: Particle-stabilised emulsions and liquid marbles.

TRPA1 is activated by direct addition of cysteine residues to the N-hydroxysuccinyl esters of acrylic and cinnamic acids (2010)
Journal Article
Sadofsky, L. R., Boa, A. N., Maher, S. A., Birrell, M. A., Belvisi, M. G., & Morice, A. H. (2011). TRPA1 is activated by direct addition of cysteine residues to the N-hydroxysuccinyl esters of acrylic and cinnamic acids. Pharmacological research : the official journal of the Italian Pharmacological Society, 63(1), 30-36. https://doi.org/10.1016/j.phrs.2010.11.004

The nociceptor TRPA1 is thought to be activated through covalent modification of specific cysteine residues on the N terminal of the channel. The precise mechanism of covalent modification with unsaturated carbonyl-containing compounds is unclear, th... Read More about TRPA1 is activated by direct addition of cysteine residues to the N-hydroxysuccinyl esters of acrylic and cinnamic acids.

Access to a primary aminosporopollenin solid support from plant spores (2010)
Journal Article
Barrier, S., Löbbert, A., Boasman, A. J., Boa, A. N., Lorch, M., Atkin, S. L., & MacKenzie, G. (2010). Access to a primary aminosporopollenin solid support from plant spores. Green chemistry : an international journal and green chemistry resource : GC, 12(2), 234-240. https://doi.org/10.1039/b913215e

Sporopollenin, which is a naturally occurring and highly resilient organic polymer constituting the external shell of spores and pollen grains, has been converted into a primary amine form with a loading of 0.58 +/- 0.04 mmol. g(-1) by reductive amin... Read More about Access to a primary aminosporopollenin solid support from plant spores.

Synthesis and reactions of α-fluoro-α-amino amides (2008)
Journal Article
Bailey, P. D., Clayson, J., & Boa, A. N. (2009). Synthesis and reactions of α-fluoro-α-amino amides. Tetrahedron, 65(8), 1724-1736. https://doi.org/10.1016/j.tet.2008.11.061

N-((S)-1-Phenylethyl)halofluoroethanamides have been investigated as precursors to N-protected α-fluoro-α-amino amides by nucleophilic displacement of halide with nitrogen nucleophiles such as potassium phthalimide, sodium succinimide, sodium glutari... Read More about Synthesis and reactions of α-fluoro-α-amino amides.

Analogues of bredinin: Synthesis of 5-hydroxyimidazoles from acyclic precursors (2008)
Thesis
Middleton, D. F. (2008). Analogues of bredinin: Synthesis of 5-hydroxyimidazoles from acyclic precursors. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4208664

Compared to 1-substituted-5-aminoimidazoles relatively few 1-substituted-5-hydroxyimidazoles have been reported; however, an interesting 1-substituted-5-hydroxyimidazole is the immunosuppressive agent bredinin, which shows antiviral, antimalarial, an... Read More about Analogues of bredinin: Synthesis of 5-hydroxyimidazoles from acyclic precursors.

Parallel kinetic resolution of racemic 1-phenylethanol using quasi-enantiomeric combinations of carboxylic acids mediated by N,N′-dicyclohexylcarbodiimide and 3,5-lutidine (2008)
Journal Article
Al Shaye, N., Boa, A. N., Coulbeck, E., & Eames, J. (2008). Parallel kinetic resolution of racemic 1-phenylethanol using quasi-enantiomeric combinations of carboxylic acids mediated by N,N′-dicyclohexylcarbodiimide and 3,5-lutidine. Tetrahedron letters; the international organ for the rapid publication of preliminary communications in organic chemistry, 49(31), 4661-4665. https://doi.org/10.1016/j.tetlet.2008.05.036

The parallel kinetic resolution of racemic 1-phenylethanol using an equimolar combination of quasi-enantiomeric 2-arylpropionic and butanoic acids mediated by a N,N′-dicyclohexylcarbodiimide (DCC)/3,5-lutidine coupling is discussed. The levels of dia... Read More about Parallel kinetic resolution of racemic 1-phenylethanol using quasi-enantiomeric combinations of carboxylic acids mediated by N,N′-dicyclohexylcarbodiimide and 3,5-lutidine.

Synthesis of porphyrins and metalloporphyrins for biological applications (2005)
Thesis
Ita, S. (2005). Synthesis of porphyrins and metalloporphyrins for biological applications. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4221109

Porphyrins are ideal candidates for PDT (Photodynamic therapy). Their ability to localise preferentially in diseased tissue allows specific targeting of cancerous tissue in certain areas. In recent years, linking photosensitisers to sugar moieties ha... Read More about Synthesis of porphyrins and metalloporphyrins for biological applications.

Thioglycosylated cationic porphyrins––convenient synthesis and photodynamic activity in vitro (2004)
Journal Article
Ahmed, S., Davoust, E., Savoie, H., Boa, A. N., & Boyle, R. W. (2004). Thioglycosylated cationic porphyrins––convenient synthesis and photodynamic activity in vitro. Tetrahedron letters; the international organ for the rapid publication of preliminary communications in organic chemistry, 45(31), 6045-6047. https://doi.org/10.1016/j.tetlet.2004.06.021

A convenient and flexible synthesis of meso-tetraaryl porphyrins substituted with three thioglycosyl units, and also bearing one pyridyl substituent is reported. Quaternisation of the pyridine nitrogen with alkyl iodides gives access to a range of wa... Read More about Thioglycosylated cationic porphyrins––convenient synthesis and photodynamic activity in vitro.