Results 41 to 50 of about 2,470 (216)
We report a concise formal synthesis of (±)‐strictamine via a silylium‐catalyzed (4 + 2) annulation of a donor–acceptor cyclobutane, achieved in 13 steps from tryptamine. ABSTRACT The akuammiline alkaloids are complex monoterpene indole natural products with a rigid cage‐like architecture and diverse biological activities.
Clément Tanguy +2 more
wiley +1 more source
Eco‐friendly agriculture is needed for degraded peatland rehabilitation purposes while also meeting community needs to reduce pressure on the land. The selection of plant species must meet the criteria for these two purposes. Moringa oleifera has been identified as capable of growing on marginal lands such as degraded peatland.
Hery Kurniawan +14 more
wiley +1 more source
BOTANI DAN BIOAKTIVITAS PULAI (Alstonia scholaris) [PDF]
Pulai or Alstonia scholaris (AS) is a species belonging Apocynaceae, which is used as medicine. The aim of thearticleto manifest the use and bioactivity of the AS.
Silalahi, M.Si, Dr. Marina +1 more
core +1 more source
Background: The use of medicinal plants in modern medicine for the prevention and treatment of cancer is an important aspect. For this reason, it is important to identify antitumor promoting agents present in medicinal plants commonly used by the human ...
Md Sultan Ahmad +3 more
doaj +1 more source
In this study, the genetic diversity and evolutionary relationship among 65 Thai rice varieties were classified by the neighbor‐joining (NJ) analysis of DNA sequences, amplified by three cpDNA barcoding markers, namely, matK, rbcL, and trnH-psbA. Based on DNA sequencing analyses, all studied rice varieties were incorporated with 20 plant accessions by ...
Sittichai Urtgam +8 more
wiley +1 more source
Biologically active alkaloids from Alstonia angustiloba / Ku Wai Foong [PDF]
The alkaloidal content of Malaysian plant, Alstonia angustiloba Miq., was investigated and the results are summarized as below (Table). A total of 20 alkaloids were isolated and characterized, of which, three were new alkaloids, viz., angustilobine C (1),
Ku, Wai Foong
core
Despite ongoing efforts, malaria persists as a significant health challenge in developing countries. This study aims to investigate the antimalarial potential of Alstonia boonei stem bark, a traditional plant in Cameroon. The EtOH‐H2O (70:30) extract was subjected to phytochemical screening and chromatographic isolation of compounds.
Diane K. Nono +12 more
wiley +1 more source
An Ability of Endophytes from Blackboard Tree (Alstonia scholaris) in Increasing Chili Performance
Endophytes are a group of bacteria live in plant tissues, and have been numerously reported to promote plant growth. The aim of this study was to observe bacterial endophytes from blackboard tree (Alstonia scholaris) in inhibiting pathogenic fungal ...
Restya Ulfa, Erman Munir, Dwi Suryanto
core +1 more source
Objective: To document the medicinal plants used for the treatment of malaria by the Tetun ethnic people in West Timor–Indonesia. Methods: The ethnobotany and anthropology methods were used in the field surveys. Ninety four informants from 29 villages of
Maximus M Taek +2 more
doaj +1 more source
Synthesis of two novel C-19 analogues of (±)-alstoscholarisine A [PDF]
Two new analogues of alstoscholarisine A, containing a phenyl or butyl substituent at the C-19 position, have been prepared in racemic form from the known skatole derivative.
Bihelović Filip +2 more
doaj +1 more source

