Results 41 to 50 of about 16,937,278 (294)

Hf(OTf)4-Catalyzed Three-Component Synthesis of N-Carbamate-Protected β-Amino Ketones

open access: yesMolecules, 2022
Hafnium(IV) triflate (Hf(OTf)4) has been identified as a potent catalyst for the direct three-component synthesis of β-carbamate ketones. This new method, featuring a low catalyst loading, fast reaction rate, and solvent-free conditions, provided facile ...
Zhen-Zhen Chen   +5 more
doaj   +1 more source

Venetoclax‐Based Therapy as a Bridge to Hematopoietic Stem Cell Transplantation in Relapsed or Refractory Pediatric Acute Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Relapsed and/or refractory (R/R) pediatric acute leukemia carries a dismal prognosis, largely driven by chemoresistance to conventional salvage therapy. The BH3‐mimetic venetoclax, combined with chemotherapy or hypomethylating agents, has demonstrated efficacy in small clinical trials.
Katherine S. Colman   +9 more
wiley   +1 more source

A Scalable Approach to Primary Amines via the Petasis Reaction

open access: yesЖурнал органічної та фармацевтичної хімії
The efficient and scalable synthesis of homoallylic amines is a subject of significant interest due to the potential applications of these compounds in medicinal and synthetic chemistry.
Serhiy V. Ryabukhin   +1 more
doaj   +1 more source

EXTRACT OF BARBERRY AS ENTIRELY GREEN CATALYST FOR THE SYNTHESIS OF STRUCTURALLY DIVERSE 3,4,5-SUBSTITUTED FURAN-2(5H)-ONES [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2016
An eco-friendly and environmentally benign synthesis of 3,4,5-substituted furan-2(5H)-ones employing Iranian seedless barberry, known as Zereshk, (Berberis integerrima “Bidaneh”, Berberidaceae) as a biocatalyst, was developed.
Nourallah Hazeri   +4 more
doaj   +1 more source

Crystal structure of 4-(naphthalen-2-yl)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
The synthesis and crystal structure of the title compound, C22H14N2O, are described. The title compound was synthesized by a three-component one-pot reaction in DMSO involving chalcone, cyanoacetamide and elemental sulfur as catalyst.
Thai Thanh Thu Bui   +3 more
doaj   +1 more source

Language, Culture, and Cancer: Qualitative Insights Into Communication Disparities Among Spanish‐Speaking Caregivers of Children With Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Latino children are projected to make up nearly one‐third of United States (US) children by 2060, and many of their caregivers speak Spanish. Prior survey research has documented communication difficulties for Spanish‐speaking caregivers of children with cancer, but contemporary qualitative data are limited.
Jenny Ruiz   +6 more
wiley   +1 more source

Synthesis and Biological Evaluation of Aminobisphosphonates—Analogues of Incadronate

open access: yesProceedings, 2019
Bisphosphonates had been found to act as strong metal ion complexing agents with usefulindustrial and household applications. [...]
Ewa Chmielewska   +4 more
doaj   +1 more source

Biphasic Clinical Course of Pediatric Cytomegalovirus‐Associated Immune Thrombocytopenia: Early Poor Treatment Response but Favorable Long‐Term Outcomes

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Cytomegalovirus (CMV) is a recognized trigger of immune thrombocytopenia (ITP); however, its incidence and impact on disease course in children remain controversial. Therefore, we aimed to characterize the clinical course of pediatric patients with CMV‐associated ITP.
Oded Gilad   +9 more
wiley   +1 more source

Synthesis of polyaromatic derivatives of indenopyrrole and investigation of their absorption and emission behaviors

open access: yesResults in Chemistry
In this work, new derivatives of 2-methyl-dihydroxyindenopyrrole were synthesized using a three-component reaction between polycyclic aromatic amine (1-aminopyrene or 1-aminonaphthalene), ninhydrin and a β-dicarbonyl in the presence of Lewis acid ...
Maedeh Zolfalizadeh   +3 more
doaj   +1 more source

Some cyano-substituted spiro-linked pyrazolines and pyrrolidines with antimicrobial activity [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
This work summarizes one-pot synthetic approaches to spiro-fused (di)azoles, which are promising in terms of studying biological activity. Proposed approaches involve condensation reactions of (hetero)cyclic ketones, methylene active moieties, and N ...
Meshcheryakova, Anna A.   +5 more
doaj   +1 more source

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