Results 111 to 120 of about 4,019 (234)

Ultrasonic Relaxation in N-Polyvinyl Pyrrolidinone. [PDF]

open access: yesActa Chemica Scandinavica, 1971
Kjeld Schaumburg   +5 more
openaire   +2 more sources

(S)-5-(Tosylmethyl)-2-pyrrolidinone: A New Chiral b -Amidosulfone for a Short Asymmetric Synthesis of Indolizidines

open access: hybrid, 2000
Carmén Nájera   +6 more
openalex   +1 more source

Mono and Sequential Bis Solid Phase Alkylations of a (R)-Phenylglycinol Derived Pyrrolidinone Scaffold

open access: gold, 2001
Jacques Royer   +4 more
openalex   +1 more source

Una nueva aproximación a la síntesis de heterociclos pirrolofusionados basada en la reacción de amidación de alquinos asistida por el reactivo de yodo hipervalente PIFA [PDF]

open access: yes, 2012
458 p.En la presente memoria se describe el trabajo de investigación llevado a cabo en relación al desarrollo de nuevas aplicaciones sintéticas de la reacción de heterociclación de alquinos funcionalizados mediante el empleo del reactivo de yodo ...
Pardo González, Leticia María
core   +1 more source

A Synthesis of 5-Benzyl-2-pyrrolidinone

open access: yesYAKUGAKU ZASSHI, 1966
Munemitsu Tomoeda   +2 more
openaire   +4 more sources

Studies on the α-Hydroxyalkylation of Chiral Pyrrolidin-2,5-diones and its Application in the Asymmetric Synthesis of Polyhydroxylated Pyrrolidine Alkaloids [PDF]

open access: yes, 2009
摘要 许多多羟基吡咯烷生物碱被视为糖类似物,称为氮杂糖,是一类具有显著生理活性的重要化合物,近年来倍受人们的关注。这类化合物的结构虽然不复杂,但其所含的多手性中心和表现出的生理活性(如抗病毒、抗细菌、抗癌等活性以及对酶如糖苷酶具有专一性抑制作用)吸引了人们的极大兴趣。DAB-1(1)是许多氮杂糖(如4,7和8)共有的核心结构,对该类氮杂糖或多羟基吡咯烷化合物的合成,比较直接的方法之一是以酒石酸为手性源的方法。因此,本论文的目的之一是以价廉、易得的D或L-酒石酸为手性原料 ...
周香
core  

Discovery of a novel class of heteroaryl-pyrrolidinones as positive allosteric modulators of the muscarinic acetylcholine receptor M1. [PDF]

open access: yesBioorg Med Chem Lett, 2021
Spearing PK   +10 more
europepmc   +1 more source

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