GC–MS and GC–IR analysis of substituted N-benzyl 4-bromo-2,5-dimethoxyphenylisopropylamines
Sign Up to like & getrecommendations! Published in 2021 at "Forensic Chemistry"
DOI: 10.1016/j.forc.2021.100326
Abstract: Abstract The N-(methoxybenzyl- and dimethoxybenzyl)-4-bromo-2,5-dimethoxyphenylisopropylamines are a likely category of novel psychoactive substances based on a combination of structural features for the amphetamine and the NBOMe drugs. The nine compounds in this study were synthesized… read more here.
Keywords: analysis substituted; aromatic ring; benzyl bromo; substituted benzyl ... See more keywords
Synthesis of polycyano-anions conjugated with an aromatic ring
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2017.09.012
Abstract: Abstract The synthesis of polycyano-anions, conjugated with an aryl substituent via an ethylene fragment, by the Knoevenagel condensation reaction of aromatic aldehydes with the malononitrile trimer potassium salt is described. read more here.
Keywords: polycyano anions; conjugated aromatic; aromatic ring; synthesis polycyano ... See more keywords
Dual-Column Aromatic Ring Class Separation with Improved Universal Detection across Mobile-Phase Gradients via Eluate Dilution
Sign Up to like & getrecommendations! Published in 2017 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.7b02589
Abstract: The herein described High Performance Liquid Chromatography (HPLC) platform (termed HPLC-3) combines a complex solvent gradient with two electron acceptor columns to provide aromatic ring class (ARC) separation for heavy oils. The separation yields seven… read more here.
Keywords: aromatic ring; separation; dilution; ring class ... See more keywords
Autoxidation of a C2-Olefinated Dihydroartemisinic Acid Analogue to Form an Aromatic Ring: Application to Serrulatene Biosynthesis.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of natural products"
DOI: 10.1021/acs.jnatprod.1c01101
Abstract: Dihydroartemisinic acid (DHAA) is a plant natural product that undergoes a spontaneous endoperoxide-forming cascade reaction to yield artemisinin in the presence of air. The endoperoxide functional group gives artemisinin its biological activity that kills Plasmodium… read more here.
Keywords: aromatic ring; dhaa; acid; analogue ... See more keywords
Interplay of Steric and Electronic Effects on the Bonding Components in Aromatic Ring Agostic Interactions
Sign Up to like & getrecommendations! Published in 2017 at "Organometallics"
DOI: 10.1021/acs.organomet.7b00656
Abstract: Density functional theory (DFT) calculations on the effect of steric size adjacent to an agostic interaction in ligand assisted Pd–C bond formation involving aromatic rings gives insight into why the synthetic reaction can fail as… read more here.
Keywords: steric electronic; effects bonding; donation; aromatic ring ... See more keywords
Fusion of Aromatic Ring to Azoarenes: One-Pot Access to 5,6-Phenanthroliniums for Mitochondria-Targeted Far-Red/NIR Fluorescent Probes.
Sign Up to like & getrecommendations! Published in 2019 at "Organic letters"
DOI: 10.1021/acs.orglett.8b04072
Abstract: Disclosed herein is a highly efficient strategy to fuse an aromatic ring to azoarenes for one-pot access to 5,6-phenanthrolinium skeletons via tandem ortho-C-H arylation and aryl quaternization. This protocol enables ortho-hindered azobenzenes to solely form… read more here.
Keywords: ring azoarenes; azoarenes one; aromatic ring; pot access ... See more keywords
Aromatic Ring Fusion to Benzoporphyrin via γ-ortho Cyclodehydrogenation on a Ag(111) Surface.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c05819
Abstract: Aromatic ring fusion to porphyrins and their derivatives represents an attractive route to tune the molecular conjugation and thus expand their functionalities. Here, we report the expansion of the aromatic π-system of palladium tetraphenyltetrabenzoporphyrins (Pd-TPTBP)… read more here.
Keywords: ortho fused; cyclodehydrogenation; aromatic ring; cyclodehydrogenation 111 ... See more keywords
Construction of novel bridged aromatic ring-fused oxazocine frameworks via an N-heterocyclic carbene-catalyzed azabenzoin reaction and radical-initiated cascade cyclization
Sign Up to like & getrecommendations! Published in 2021 at "Organic chemistry frontiers"
DOI: 10.1039/d1qo00483b
Abstract: Abstract: A novel and efficient method for the construction of 1,5-methanobenzo[f][1,3]oxazocin-6-one compounds from o-vinyl benzaldehydes and N-acylarylimines has been developed. The synthesis proceeded through the sequential NHC-catalyzed azabenzoin reaction and radical-initiated regiospecific intramolecular cascade cyclizations.… read more here.
Keywords: catalyzed azabenzoin; aromatic ring; reaction radical; bridged aromatic ... See more keywords
Biochemical and structural characterization of an aromatic ring–hydroxylating dioxygenase for terephthalic acid catabolism
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2121426119
Abstract: Significance More than 400 million tons of plastic waste is produced each year, the overwhelming majority of which ends up in landfills. Bioconversion strategies aimed at plastics have emerged as important components of enabling a… read more here.
Keywords: hydroxylating dioxygenase; ring hydroxylating; biochemical structural; aromatic ring ... See more keywords
Apoptosis induced by DICO, a novel non-aromatic B-ring flavonoid via a ROS-dependent mechanism in human colon cancer cells
Sign Up to like & getrecommendations! Published in 2022 at "Natural Product Research"
DOI: 10.1080/14786419.2022.2042283
Abstract: Abstract 5,7-Dihydroxy-2-(1,2-isopropyldioxy-4-oxo-cyclohex-5-enyl)-chromen-4-one (DICO) is a novel non-aromatic B-ring flavonoid, isolated mainly from Macrothelypteris viridifrons and has anti-tumour properties. In this study, we investigated the cytotoxicity and underlying biochemical pathways leading to cell death, in response… read more here.
Keywords: novel non; ring flavonoid; dico; aromatic ring ... See more keywords
Ester dance reaction on the aromatic ring.
Sign Up to like & getrecommendations! Published in 2020 at "Science advances"
DOI: 10.1126/sciadv.aba7614
Abstract: Aromatic rearrangement reactions are useful tools in the organic chemist's toolbox when generating uncommon substitution patterns. However, it is difficult to precisely translocate a functional group in (hetero) arene systems, with the exception of halogen… read more here.
Keywords: ester dance; aromatic ring; dance reaction;