Results 51 to 60 of about 158,943 (323)
The study of the spatial groups that affect the properties of atoms within molecules.
Graham Patrick
semanticscholar +1 more source
Diphenylphosphinoyl chloride as a chlorinating agent - The selective double activation of 1,2-diols [PDF]
© The Royal Society of Chemistry 2006Treatment of 1,2-diols with diphenylphosphinoyl chloride in pyridine produces beta-chloroethyl phosphinates which react with complete control of stereochemistry to give epoxides and azido-alcohols, useful ...
Asger B. Petersen+25 more
core +2 more sources
Chiral Aspects of Local Anesthetics
Thanks to the progress made in chemical technology (particularly in the methodologies of stereoselective syntheses and analyses) along with regulatory measures, the number of new chiral drugs registered in the form of pure enantiomers has increased over ...
Ružena Čižmáriková+4 more
doaj +1 more source
Structure and stereochemistry of the base excision repair glycosylase MutY reveal a mechanism similar to retaining glycosidases. [PDF]
MutY adenine glycosylases prevent DNA mutations by excising adenine from promutagenic 8-oxo-7,8-dihydroguanine (OG):A mismatches. Here, we describe structural features of the MutY active site bound to an azaribose transition state analog which indicate a
Cao, Sheng+6 more
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Stereodynamic control of overlapping resonances in cold molecular collisions [PDF]
Stereodynamic control of resonant molecular collisions has emerged as a new frontier in cold molecule research. Recent experimental studies have focused on weakly interacting molecular systems such as HD collisions with H$_2$, D$_2$ and He. We report here the possibility of such control in strongly interacting systems taking rotational relaxation in ...
arxiv +1 more source
The recombinant α-galactosidase of the marine bacterium (α-PsGal) was synthesized with the use of the plasmid 40Gal, consisting of plasmid pET-40b (+) (Novagen) and the gene corresponding to the open reading frame of the mature α-galactosidase of marine ...
Irina Yu Bakunina+6 more
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DAG tales: the multiple faces of diacylglycerol—stereochemistry, metabolism, and signaling
The neutral lipids diacylglycerols (DAGs) are involved in a plethora of metabolic pathways. They function as components of cellular membranes, as building blocks for glycero(phospho)lipids, and as lipid second messengers.
Thomas O. Eichmann, A. Lass
semanticscholar +1 more source
Antiferromagnetic coupling and enhanced magnetization in all-ferromagnetic superlattices [PDF]
The structural and magnetic properties of a series of superlattices consisting of two ferromagnetic metals La$_{0.7}$Sr$_{0.3}$MnO$_3$ (LSMO) and SrRuO$_3$ (SRO) grown on (001) oriented SrTiO$_3$ are studied. Superlattices with a fixed LSMO layer thickness of 20 unit cells (u.c.) and varying SRO layer thickness show a sudden drop in magnetization on ...
arxiv +1 more source
The essential oil of Alaska cedar heartwood is known to contain compounds which contribute to the remarkable durability of this species. While previous research has identified several compounds, a complete description of this oil has not been undertaken.
Joe J. Karchesy+3 more
doaj +1 more source