Articles with "two pairs" as a keyword



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Generation of Competitive and Coexisting Two Pairs of Biphotons in Single Hot Atomic Vapor Cell

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Published in 2020 at "Annalen der Physik"

DOI: 10.1002/andp.202000283

Abstract: The non‐classical states of light serve as a potential candidate for emerging quantum information process. A processing trend to enhance its scalability is to integrate multiple nonlinear processes with the dressed‐state picture into a single… read more here.

Keywords: two pairs; single hot; vapor cell; pairs biphotons ... See more keywords
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Two pairs of enantiomeric propylated flavonoids and a new lignan from the aerial parts of Abrus precatorius.

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Published in 2019 at "Fitoterapia"

DOI: 10.1016/j.fitote.2018.12.019

Abstract: Two pairs of novel enantiomeric flavonoids (1a, 1b and 2a, 2b), along with one new lignan (3), were isolated from the aerial parts of Abrus precatorius. All of these enantiomeric flavonoids featured an unprecedented propylated… read more here.

Keywords: pairs enantiomeric; two pairs; abrus precatorius; new lignan ... See more keywords
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Two pairs of diastereoisomeric isoflavone glucosides from the roots of Pueraria lobata.

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Published in 2020 at "Fitoterapia"

DOI: 10.1016/j.fitote.2020.104594

Abstract: Phytochemical investigation of the roots of Pueraria lobata led to the isolation of two pairs of new isoflavone glucosides, 3'-hydroxyneopuerarin A/B (1-2) and 3'-methoxyneopuerarin A/B (3-4). A pair of known compounds (5-6), which possess a… read more here.

Keywords: isoflavone glucosides; pairs diastereoisomeric; roots pueraria; two pairs ... See more keywords
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Two pairs of bisabolane sesquiterpenoid stereoisomers, bisacurone D-G, from the rhizome of Curcuma longa L.

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Published in 2020 at "Fitoterapia"

DOI: 10.1016/j.fitote.2020.104701

Abstract: Phytochemical investigation of an extract of the rhizome of Curcuma longa L., resulted in the identification of four undescribed bisabolane sesquiterpenoids, namely as bisacurone D-G (1-4). With the aid of comprehensive spectroscopic techniques (NMR, IR,… read more here.

Keywords: bisabolane sesquiterpenoid; curcuma longa; rhizome curcuma; two pairs ... See more keywords
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Modulating Two Pairs of Chiral DyIII Enantiomers by Distinct β-Diketone Ligands to Show Giant Differences in Single-Ion Magnet Performance and Nonlinear Optical Response.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c01031

Abstract: Using Dy(dbm)3(H2O) and Dy(btfa)3(H2O)2 to react with enantiopure N-donors, (-)/(+)-4,5-pinenepyridyl-2-pyrazine (LR/LS), respectively, two pairs of chiral DyIII enantiomers, Dy(dbm)3LR/Dy(dbm)3LS (R-1-Dy/S-1-Dy) and Dy(btfa)3LR/Dy(btfa)3LS (R-2-Dy/S-2-Dy) were obtained, wherein one of the benzene rings of dbm- (dibenzoylmethanate) in… read more here.

Keywords: differences single; pairs chiral; chiral dyiii; dyiii enantiomers ... See more keywords
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Gelsekoumidines A and B: Two Pairs of Atropisomeric Bisindole Alkaloids from the Roots of Gelsemium elegans.

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Published in 2017 at "Organic letters"

DOI: 10.1021/acs.orglett.7b02463

Abstract: Two pairs of atropisomeric bisindole alkaloids, gelsekoumidines A (1) and B (2), with a new carbon skeleton, were isolated from the roots of Gelsemium elegans. Compounds 1 and 2 represent the first examples of seco-koumine-gelsedine… read more here.

Keywords: roots gelsemium; atropisomeric bisindole; bisindole alkaloids; two pairs ... See more keywords

Two pairs of enantiomeric α-pyrone dimers from the endophytic fungus Phoma sp. YN02-P-3

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c6ra26319d

Abstract: (±) Phomones A (1) and B (2), two pairs of novel enantiomeric α-pyrone dimers from the endophytic fungus Phoma sp. YN02-P-3 are reported. Compounds 1 and 2 are the first examples of 6-α,β-unsaturated ester-2-pyrone dimers,… read more here.

Keywords: endophytic fungus; pyrone dimers; dimers endophytic; pyrone ... See more keywords
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Two pairs of new isobenzofuranone enantiomers from a soil-derived fungus Penicillium canescens DWS225.

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Published in 2023 at "Natural product research"

DOI: 10.1080/14786419.2023.2198712

Abstract: Two pairs of new isobenzofuranone derivative enantiomers, (±)-penicifurans E (1) and (±)-penicifurans F (2), together with four know compounds (3-6) were isolated from the solid fermentation of Penicillium canescens DWS225. The structures of these enantiomers… read more here.

Keywords: new isobenzofuranone; canescens dws225; pairs new; two pairs ... See more keywords

Two Pairs of 7,7′-Cyclolignan Enantiomers with Anti-Inflammatory Activities from Perilla frutescens

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27186102

Abstract: Perilla frutescens (L.) Britt. (Labiatae), a medicinal plant, has been widely used for the therapy of multiple diseases since about 1800 years ago. It has been demonstrated that the extracts of P. frutescens exert significant… read more here.

Keywords: cyclolignan enantiomers; anti inflammatory; pairs cyclolignan; enantiomers anti ... See more keywords