Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Benjamin James Ayers"'
Autor:
Ciputra Tejo, Xiao Rong Sim, Bo Ra Lee, Benjamin James Ayers, Chung-Hang Leung, Dik-Lung Ma, Philip Wai Hong Chan
Publikováno v:
Molecules, Vol 20, Iss 7, Pp 13336-13353 (2015)
A one-pot, two-step approach to prepare 2-tetrahydrofuran and -pyran substituted 1,3-dicarbonyl compounds by PhI=NTs-mediated amination/Brønsted base-catalyzed cross dehydrogenative coupling (CDC) reaction of the cyclic ether and 1,3-dicarbonyl deri
Externí odkaz:
https://doaj.org/article/57efedceb0d8442b9449080b5cffdb9e
Autor:
Benjamin James Ayers, Bo Ra Lee, Clarrisa Jia Le Ng, Jun Yi Lee, Prasath Kothandaraman, Yichao Zhao, Philip Wai Hong Chan
Publikováno v:
Advanced Synthesis & Catalysis. 358:1385-1391
A synthetic method to prepare cycloalkyl-, piperidinyl- and pyranyl-fused pyrroles efficiently by gold(I)-catalyzed dehydrative aminoalkenylation of β-amino-1,n-diynols under mild conditions at room temperature is described.\ud \ud
Autor:
Benjamin James Ayers, Ciputra Tejo, Xiao Rong Sim, Philip Wai Hong Chan, Bo Ra Lee, Chung-Hang Duncan Leung, Dik‐Lung Ma
Publikováno v:
Molecules
Volume 20
Issue 7
Pages 13336-13353
Molecules, Vol 20, Iss 7, Pp 13336-13353 (2015)
Volume 20
Issue 7
Pages 13336-13353
Molecules, Vol 20, Iss 7, Pp 13336-13353 (2015)
A one-pot, two-step approach to prepare 2-tetrahydrofuran and -pyran substituted 1,3-dicarbonyl compounds by PhI=NTs-mediated amination/Brønsted base-catalyzed cross dehydrogenative coupling (CDC) reaction of the cyclic ether and 1,3-dicarbonyl deri
Autor:
Wan Teng Teo, Benjamin James Ayers, Chung-Hang Duncan Leung, Dik‐Lung Ma, Philip Wai Hong Chan, Bo Ra Lee, Shaun Wei Yong Koh
Publikováno v:
European Journal of Organic Chemistry. 2015:4447-4456
An efficient AgOTf-catalyzed (TfO = trifluoromethanesulfonate) cyclopropyl carbinol rearrangement for the synthesis of benzo[b]oxepines and 2H-chromenes is reported by starting from 2-[cyclopropyl(hydroxy)methyl]phenols. The reactions proved to be ge
Autor:
Sarah F. Jenkinson, Isao Adachi, Benjamin James Ayers, Atsushi Kato, Mark R. Wormald, Chu-Yi Yu, Nigel Ngo, Zilei Liu, Robert J. Nash, George W. J. Fleet, R. Fernando Martínez, Shinpei Nakagawa, Andreas F. G. Glawar, Terry D. Butters
Publikováno v:
The Journal of Organic Chemistry. 79:3398-3409
All 16 stereoisomeric N-methyl 5-(hydroxymethyl)-3,4-dihydroxyproline amides have been synthesized from lactones accessible from the enantiomers of glucuronolactone. Nine stereoisomers, including all eight with a (3R)-hydroxyl configuration, are low
Autor:
Jacqueline Hollinshead, Ken Izumori, Alexander W. Saville, Robert J. Nash, George W. J. Fleet, Barbara Bartholomew, Benjamin James Ayers, Shinpei Nakagawa, Atsushi Kato, Isao Adachi
Publikováno v:
Phytochemistry. 100:126-131
Iteamine, o-aminobenzyl β-D-glucopyranoside, is the first alkaloid to be isolated from Itea virginica. Itea is the sole plant source of D-psicose, a rare sugar likely to be a major dietary supplement. The structure of iteamine was established by NMR
Publikováno v:
European Journal of Organic Chemistry. 2014:2053-2069
Unbranched, and α- and β-methyl-branched, trihydroxypiperidine α-iminonitriles have been obtained in a single step from protected 5-O-tosylate pentoses. This reaction comprises a one-pot tandem Strecker reaction and iminocyclisation. These trihydr
Autor:
Andreas F. G. Glawar, N. Ngo, Atsushi Kato, R. F. Martínez, Sarah F. Jenkinson, George W. J. Fleet, Benjamin James Ayers, Shinpei Nakagawa, Michael A. Hollas, Terry D. Butters
Publikováno v:
Organicbiomolecular chemistry. 14(44)
This paper explores the computer modelling aided design and synthesis of β-N-acetylhexosaminidase inhibitors along with their applicability to human disease treatment through biological evaluation in both an enzymatic and cellular setting. We invest
Autor:
Benjamin James Ayers, Bo Ra Lee, Prasath Kothandaraman, Jun Yi Lee, Yichao Zhao, Philip Wai Hong Chan, Clarrisa Jia Le Ng
Publikováno v:
ChemInform. 47
A synthetic method to prepare cycloalkyl-, piperidinyl- and pyranyl-fused pyrroles efficiently by gold(I)-catalyzed dehydrative aminoalkenylation of β-amino-1,n-diynols under mild conditions at room temperature is described.
Autor:
George W. J. Fleet, Yousuke Shimada, Alexander C. Weymouth-Wilson, Benjamin James Ayers, Atsushi Kato, Isao Adachi, Sarah F. Jenkinson, R. Fernando Martínez, Nigel Ngo
Publikováno v:
The Journal of Organic Chemistry. 77:7777-7792
The enantiomers of glucuronolactone are excellent chirons for the synthesis of the 10 stereoisomeric 2,5-dideoxy-2,5-iminohexitols by formation of the pyrrolidine ring by nitrogen substitution at C2 and C5, with either retention or inversion of confi