Results 71 to 80 of about 56,559 (262)
Beilstein Journal of Organic Chemistry, 2014 The copper-catalyzed ketenimine formation reaction of 1-(o-acetamidophenyl)propargyl alcohols with various sulfonyl azides is found to undergo a concomitant intramolecular nucleophile attack to generate 1,2-dihydro-2-iminoquinolines after aromatization ...
Gadi Ranjith Kumar +3 more
doaj +1 more source
Molecules, 2022 This article shows that two extremely important families of fused heterocyclic assemblies, namely 6-methylbenzo[4,5]imidazo[1,2-a]pyrrolo[2,1-c]pyrazine and 5a-methyl-5a,6-dihydro-5H,12H-benzo[4,5]imidazo[1,2-a]pyrrolo[1,2-d]pyrazine, can be synthesized ...
Svetlana V. Martynovskaya +4 more
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider +15 more
wiley +1 more source
o-Nitrobenzyl oxime ethers enable photo-induced cyclization reac-tion to provide phenanthridines under aqueous conditions [PDF]
, 2022 In this paper, we describe a novel N–O photolysis of o-nitrobenzyl oxime ethers that enables the synthesis of phenanthridines via intramolecular cyclization reactions. Without the use of additional photocatalysts or photosensitizers, the process proceeds
Fumi, Nagatsugi +3 more
core +1 more source
Synthesis of vinyldihydropyran by cooperative catalysis [PDF]
Journal of the Serbian Chemical Society, 2016 5-Unsaturated aldehydes with a suitably positioned allylic halide, or phosphate, leaving group undergo doubly-catalyzed cyclization to give dihydropyran derivatives.
Vulović Bojan +3 more
doaj +1 more source
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Introduction This study investigated the safety and efficacy of single‐needle Rheocarna therapy for chronic limb‐threatening ischemia (CLTI) with wounds. Methods Six patients with CLTI involving ulcers unresponsive to revascularization underwent single‐needle Rheocarna treatment.
Yasutaka Yamauchi +9 more
wiley +1 more source
Synthesis of (+)-Ipalbidine Based on 6-exo-trig Radical Cyclization of a β-Amino Radical. [PDF]
, 2015 N-Boc (S)-proline was converted into (2S)-2-[(phenylselanyl)methyl]pyrrolidine which was alkylated on nitrogen with 2-bromo-1-(4-methoxyphenyl)ethan-1-one.
Clive, Derrick L. J., Chea, JongMyong
core +1 more source
Cyclization of Polyenes. III Cyclization of Squalene-oxides
Chemical and Pharmaceutical Bulletin, 1968 For the purpose of finding the optimum conditions of biogenetic-type synthesis of onocerin from squalene 2, 3; 22, 23-dioxide (IV), acid-catalyzed cyclization (BF3-etherate in water-saturated benzene) of squalene-2, 3-oxide (I) was investigated to afford the compounds, III, V, VI, VII, VIII and IX. The gross structure of these compounds was established
KITAHARA, YOSHIO +2 more
openaire +2 more sources
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Background Patients with chronic kidney disease undergoing hemodialysis commonly experience reduced physical function, fatigue, poor sleep quality, and impaired health‐related quality of life. Intradialytic exercise has been proposed as a non‐pharmacological strategy to improve these outcomes.
Klebson da Silva Almeida +6 more
wiley +1 more source
What makes cyclodextrin glycosyltransferase a transglycosylase [PDF]
, 2003 All living organisms need energy from their environment for maintenance and growth. The carbohydrate starch is such an energy source. It is an abundant carbohydrate composed of amylose and amylopectin polymers. Before organisms can utilize the starch, it
Leemhuis, Reinder Johannes, +1 more
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