Results 101 to 110 of about 287,843 (358)

Recent total synthesis of natural products leveraging a strategy of enamide cyclization

open access: yesBeilstein Journal of Organic Chemistry
Enamides are distinctive amphiphilic synthons that can be strategically incorporated into cyclization reactions. The iminium species generated from enamides via nucleophilic addition or substitution are capable of engaging in further electrophilic ...
Chun-Yu Mi   +2 more
doaj   +1 more source

A Simple LC–MS Method for the Quantitation of Alkaloids in Endophyte-Infected Perennial Ryegrass

open access: yesToxins, 2019
The rapid identification and quantitation of alkaloids produced by Epichloë endophyte-infected pasture grass is important for the agricultural industry.
Simone Vassiliadis   +5 more
doaj   +1 more source

Asymmetric total synthesis of alkaloid natural products without external chiral sources [PDF]

open access: yes, 2018
The chirality of a starting material having a chiral sp3-carbon can be preserved under some circumstances in the reaction product even though the reaction proceeds at the chiral carbon as a reaction center through reactive intermediates.
Kim, Sanghee
core  

The Relationship Between Aldose Reductase and Isoxazole Derivatives: An In Vitro and In Silico Approach to Its Correlation With Diabetic Conditions

open access: yesBiotechnology and Applied Biochemistry, EarlyView.
ABSTRACT Diabetes mellitus (DM), which can result in a number of problems such as cataracts, neuropathy, retinopathy, nephropathy, and several cardiovascular illnesses, continues to be a growing issue despite major advancements in treatment approaches.
Ahmet Esat Göner, Hatice Esra Duran
wiley   +1 more source

Annona muricata (graviola): toxic or therapeutic [PDF]

open access: yes, 2008
This paper examines annona muricata (graviola): toxic or ...
Gray, A.I.   +7 more
core  

Cocoa waste valorization: a review and sustainability analysis of green technologies

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Cocoa residues – notably cocoa pod husks and cocoa bean shells – can be valorized for biocompound recovery, bioenergy production, and waste reduction. This review analyzed 1115 publications related to this field to identify key research trends. Interest is increasing in compounds such as theobromine, bioactive substances, adsorption processes,
Susan Haydeé Soriano Morales   +4 more
wiley   +1 more source

Optimization of bioactive compound extraction from Brazilian forest bark species: effects of solvent mixtures on metal ion chelation and urease enzyme inhibition

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The bark of forest species is a resource with a high concentration of bioactive compounds that have antioxidant, chelating and antimicrobial properties. Bioprospecting bioactive compounds from bark can generate income for local communities and contribute to the social and economic development of rural areas, especially in regions where ...
Mário Sérgio Lorenço   +6 more
wiley   +1 more source

Integrated Transcriptomic and Metabolomic Analysis Identified Key Transcriptional Factors Involved in Flavonoid and Alkaloid Biosynthesis Among Different Tissues of Sophora flavescens

open access: yesAgronomy
Sophora flavescens has anti-inflammatory, analgesic, antibacterial, antiviral, and anti-tumor properties due to its active compounds, including alkaloids and flavonoids. Exploring the biosynthetic regulation mechanism of these compounds is crucial. Here,
Ake Liu   +8 more
doaj   +1 more source

Phytochemical Screening and Antibacterial Activity of Leaves Extract Balangla (Litsea cubeba (Lour) Pers.) from Malinau, East Borneo [PDF]

open access: yes, 2015
Balangla (Litsea cubeba) plant is used as traditional medicine by Dayak Kenyah tribe in East Kalimantan. It contains active compounds that are efficient to treat many human diseases and believed to have an antibacterial activity. The purposes of
Manurung, Hetty   +2 more
core   +1 more source

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