Trigonostemons G and H, dinorditerpenoid dimers with axially chiral biaryl linkage from Trigonostemon chinensis.
Sign Up to like & getrecommendations! Published in 2020 at "Chirality"
DOI: 10.1002/chir.23170
Abstract: Trigonostemons G and H, two novel dimeric dinorditerpenoids, were isolated from the stem barks of Trigonostemon chinensis. Their planar structures and relative configurations were established by extensive analysis of spectroscopic data. Trigonostemons G and H… read more here.
Keywords: biaryl; chiral biaryl; biaryl linkage; trigonostemon chinensis ... See more keywords
Axially chiral hemiaminals from nonracemic α-amino acid derivatives (thiohydantoins): Synthesis and isomer identification.
Sign Up to like & getrecommendations! Published in 2020 at "Chirality"
DOI: 10.1002/chir.23274
Abstract: Stable, nonracemic axially chiral hemiaminals (O,N-hemiacetals) have been synthesized stereoselectively from lithium aluminum hydride (LiAlH4 ) reductions of nonracemic 5-methyl- and 5-isopropyl-3-(o-aryl)-2-thioydantoins in tetrahydrofuran (THF) at room temperature in 10 min. Predominantly S-configured hemiaminals at… read more here.
Keywords: nonracemic amino; amino acid; hemiaminals nonracemic; chiral hemiaminals ... See more keywords
Development of Axially Chiral Urazole Scaffolds for Anti-plant Virus Applications against Potato Virus Y.
Sign Up to like & getrecommendations! Published in 2023 at "Pest management science"
DOI: 10.1002/ps.7428
Abstract: BACKGROUND Potato virus Y (PVY) was first discovered by Smith in 1931 and has currently been ranked as the fifth in the most significant plant viruses. It can cause severe damage to the plants from… read more here.
Keywords: development; potato virus; plant virus; axially chiral ... See more keywords
Atroposelective Synthesis of Axially Chiral Styrenes via an Asymmetric C–H Functionalization Strategy
Sign Up to like & getrecommendations! Published in 2020 at "Chem"
DOI: 10.1016/j.chempr.2019.12.011
Abstract: Summary Axially chiral styrenes, which exhibit a chiral axis between a substituted alkene and an aromatic ring, have been largely overlooked. The hurdle is the lower barriers to rotation compared with that of their biaryl… read more here.
Keywords: chiral styrenes; functionalization strategy; axially chiral; atroposelective synthesis ... See more keywords
Thin films of an axially chiral bibenzo[c]phenanthrene diol and its enantiomers: Film structure, optical property, and photoelectrochemical response
Sign Up to like & getrecommendations! Published in 2018 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2017.11.001
Abstract: Abstract A helically distorted and polycondensed bisphenol [1,1'-bibenzo[c]phenanthrene]-2,2'-diol (HEBPOL) and its separated optically pure enantiomers were used to prepare thin films and to explore their optoelectronic properties. Due to both hydrophobic aromatic rings and hydrophilic… read more here.
Keywords: thin films; phenanthrene diol; bibenzo phenanthrene; film ... See more keywords
Organocatalytic Enantioselective Synthesis of Axially Chiral Molecules: Development of Strategies and Skeletons.
Sign Up to like & getrecommendations! Published in 2022 at "Accounts of chemical research"
DOI: 10.1021/acs.accounts.2c00509
Abstract: ConspectusThe growing importance of axially chiral architectures in different scientific domains has unveiled shortcomings in terms of efficient synthetic access and skeletal variety. This account describes our strategies in answering these challenges within the organocatalytic… read more here.
Keywords: enantioselective synthesis; development; organocatalytic enantioselective; arylation ... See more keywords
Role of Cinchona Alkaloids in the Enantio- and Diastereoselective Synthesis of Axially Chiral Compounds
Sign Up to like & getrecommendations! Published in 2022 at "Accounts of Chemical Research"
DOI: 10.1021/acs.accounts.2c00515
Abstract: Conspectus Asymmetric synthesis using organic catalysts has evolved since it was first realized and defined. Nowadays, it can be considered a valid alternative to transition metal catalysis for synthesizing chiral molecules. According to the literature,… read more here.
Keywords: role cinchona; cinchona alkaloids; synthesis; desymmetrization ... See more keywords
Atroposelective Synthesis of C-C Axially Chiral Compounds via Mono- and Dinuclear Vanadium Catalysis.
Sign Up to like & getrecommendations! Published in 2022 at "Accounts of chemical research"
DOI: 10.1021/acs.accounts.2c00545
Abstract: ConspectusAxially chiral compounds with rotationally constrained σ-bonds that exhibit atropisomerism are lucrative synthetic targets because of their ubiquity in functional materials and natural products. The metal complex-catalyzed enantioselective fabrication of axially chiral scaffolds has been… read more here.
Keywords: vanadium; dinuclear vanadium; reaction; mono dinuclear ... See more keywords
New Axially Chiral Molecular Scaffolds with Antibacterial Activities against Xanthomonas oryzae pv. oryzae for Protection of Rice.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.2c01407
Abstract: A new class of axially chiral thiazine molecules were constructed and showed promising antibacterial activities against the plant pathogen Xanthomonas oryzae pv. oryzae (Xoo). The axial chiralities of these compounds (R- or S-atropisomer) showed clear… read more here.
Keywords: xanthomonas oryzae; antibacterial activities; new axially; oryzae oryzae ... See more keywords
Synthesis of Axially Chiral 1,2,3-Triazol-5-ylidene–Au(I) Complex and Its Application in Enantioselective [2 + 2] Cycloaddition of Alleneamides with Alkenes
Sign Up to like & getrecommendations! Published in 2018 at "Organometallics"
DOI: 10.1021/acs.organomet.8b00524
Abstract: A series of axially chiral bis-1,2,3-triazol-5-ylidene Au(I) complexes (R)-8a–g and one mono-1,2,3-triazol-5-ylidene Au(I) complex (R)-9a were prepared from commercially available (R)-binaphthyl-2,2-diamine (BINAM) compound, in which, transmetalation of bis(MIC)-bis[Ag(I)] intermediates to the corresponding Au(I) complexes were… read more here.
Keywords: triazol ylidene; ylidene complex; chiral bis; ylidene ... See more keywords
Catalytic Enantioselective Synthesis of Axially Chiral Diarylmethylidene Indanones.
Sign Up to like & getrecommendations! Published in 2021 at "Organic letters"
DOI: 10.1021/acs.orglett.1c01671
Abstract: We describe the first atropselective Suzuki-Miyaura cross-coupling of β-keto enol triflates to access axially chiral (Z)-diarylmethylidene indanones (DAIs). The chemical, physical, and biological properties of DAIs are unknown, despite their being structurally similar to arylidene… read more here.
Keywords: catalytic enantioselective; diarylmethylidene indanones; chiral diarylmethylidene; axially chiral ... See more keywords