Results 81 to 90 of about 1,261 (127)

Polychlorinated pyrrolidinones from a Saudi Arabian Red Sea sponge of the genus Lamellodysidea [PDF]

open access: yes, 2019
Agusti Susana   +4 more
core  

Studies on Pyrrolidinones: Chemistry of Dimethoxytriazines [PDF]

open access: possibleSynthesis, 2013
AbstractThe synthesis of 3,5‐dimethoxy‐1,3,5‐triazines (III) is developed: demethylation and N‐methylation of these products is studied.
Benoît Rigo   +6 more
openaire   +2 more sources

Thermodynamic and spectroscopic properties of 2-pyrrolidinones. 2. Dielectric properties of 2-pyrrolidinone in binary mixtures [PDF]

open access: possibleJournal of Solution Chemistry, 1990
Dielectric permittivities of 2-pyrrolidinone - acetone, -dimethyl sulfoxide,-2-propanol, -dichloromethane and -water systems were measured as a function of mole fraction over the whole composition range at 30 and 50°C. The excess dielectric permittivities are predominantly negative for all the mixtures and the excess molar polarizations are negative ...
Päivi L. Pirilä-Honkanen, P. Ruostesuo
openaire   +1 more source
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Structural analysis of pyrrolidinones

Acta Crystallographica Section C Crystal Structure Communications, 2000
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
François Durant   +5 more
openaire   +5 more sources

Studies on pyrrolidinones. A convenient synthesis of 5‐cyano‐2‐pyrrolidinone derivatives

Journal of Heterocyclic Chemistry, 1986
AbstractThe reaction of 2‐pyrrolidinone‐5‐carboxamide (pyroglutamide) with trimethylchlorosilane and zinc chloride as a catalyst afford in one step a 91% yield of N‐trimethylsilylpyroglutamic acid nitrile whose acylation gives N‐acyl compounds 2b,c.
B. Rigo, Marc Pauly, Charles Lespagnol
openaire   +2 more sources

Unexpected reaction of β-cyclodextrin tosylate with pyrrolidinones

Carbohydrate Research, 2006
Substitution reactions of 6I-O-p-tolylsulfonylcyclomaltoheptaose with alkyl- and arylamines in 1-methyl-2-pyrrolidinone and various pyrrolidinones were investigated. An unexpected reaction of the tosyl group with pyrrolidinones was observed resulting in products deriving from nucleophilic attack by the lactam carbonyl oxygen and further opening of the ...
CUZZOLA A.   +5 more
openaire   +7 more sources

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