High resolution mass spectrometry in molecular structure and stereochemical studies - Effect of stereochemistry on the fragmentation of epimeric derivatives of azabicycloalkanes [PDF]
High resolution mass spectrometry in studies of stereochemistry effect on fragmentation of epimeric derivatives of ...
Burlingame, A. L. +2 more
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Quiralidade em moléculas e cristais Chirality at molecules and crystals
Química Nova, 2009 The present contribution describes some concepts of stereochemistry and chirality in molecules and crystals. This paper also reports on the development of a simple and fast experiment to prepare and recognize conglomerate and true racemate of tartaric ...
Ayres Guimarães Dias +1 more
doaj +1 more source
General amyloid inhibitors? A critical examination of the inhibition of IAPP amyloid formation by inositol stereoisomers. [PDF]
, 2014 Islet amyloid polypeptide (IAPP or amylin) forms amyloid deposits in the islets of Langerhans; a process that is believed to contribute to the progression of type 2 diabetes and to the failure of islet transplants.
Raleigh, David, Wang, Hui
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Biocatalytic Synthesis of Stereospecific Triketide Lactones using Polyketide Synthases [PDF]
, 2016 Polyketide synthases are modular enzymes that create and modify large acyl chains. The domains and modules of polyketide synthases allow us to create molecules that resemble naturally occurring products by applying a biocatalytic in vitro in vivo ...
Alexander, Bradley
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Stereochemistry of coordination compounds. From alfred werner to the 21st century.
Chimia (Basel), 2014 As a contribution to the scientific symposium, November 22nd, 2013, commemorating the Nobel Prize awarded to Alfred Werner in 1913, a presentation of the development of stereochemistry of coordination compounds during the past 120 years was given ...
A. von Zelewsky
semanticscholar +1 more source
Genomics-inspired discovery of massiliachelin, an agrochelin epimer from Massilia sp. NR 4-1
Beilstein Journal of Organic Chemistry, 2019 A putative siderophore locus was detected in the genome of the violacein-producing bacterium Massilia sp. NR 4-1 and predicted to direct the biosynthesis of a molecule that is structurally related to the thiazoline-containing siderophore micacocidin.
Jan Diettrich +2 more
doaj +1 more source
The first total synthesis of (+)-mucosin
, 2012 The first total synthesis of (+)-mucosin has been completed allowing assignment of the absolute stereochemistry of the natural product. A zirconium induced co-cyclisation was utilised to install the correct stereochemistry of the four contiguous ...
Henderson, Alan R. +3 more
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Enantioselective synthesis of non-proteinogenic 2-arylallyl-α-amino acids via Pd/In catalytic cascades [PDF]
, 2006 An efficient synthesis of both R- and S-enantiomers of 2-arylallyl-α-amino acids via a diastereoselective Pd/In mediated catalytic allylation of chiral N-sulfinyl-α-imino esters is described.
Anwar +23 more
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ChemistryOpen, 2019 The performance of density functionals and wavefunction methods for describing the thermodynamics and kinetics of hydride reductions of 2‐substituted cyclohexanones has been evaluated for the first time.
Xavier Deraet +5 more
doaj +1 more source
Preparation of 4 '-spirocyclobutyl nucleoside analogues as novel and versatile adenosine scaffolds
, 2019 Despite the large variety of modified nucleosides that have been reported, the preparation of constrained 4 '-spirocyclic adenosine analogues has received very little attention.
De Vleeschouwer, Freija +10 more
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