Butyrolactam
WebJan 18, 2011 · An organocatalytic asymmetric direct vinylogous Michael addition of α,β-unsaturated γ-butyrolactam to enones has been achieved with a simple bifunctional thiourea-tertiary amine catalyst, affording the γ-substituted butyrolactam products with high diastereo- and enantioselectivity (up to >40:1 dr and 94−99% ee). WebJul 31, 2024 · A series of γ-butyrolactam fused donor–acceptor (D–A) cyclopropanes were synthesized, and their reactivities in Lewis acid catalyzed [3+2] annulations with aromatic …
Butyrolactam
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WebY-Butyrolactam, also known as 2-pyrrolidone, has been made on a small scale for many years. It is used as a solvent and specialty chemical and is the monomer for nylon 4. If … 2-Pyrrolidone, also known as 2-pyrrolidinone or butyrolactam, is an organic compound consisting of a 5-membered lactam, making it the simplest γ-lactam. It is a colorless liquid that is miscible with water and most common organic solvents. 2-Pyrrolidone itself and various derivatives made from it have a … See more 2-Pyrrolidone is produced industrially almost exclusively by treating aqueous gamma-butyrolactone with ammonia at a temperature of 250–290 °C and pressures ranging from 0.4–1.4 MPa over solid magnesium silicate See more • Pyrrolidinones at the U.S. National Library of Medicine Medical Subject Headings (MeSH) See more 2-Pyrrolidone itself is used in inkjet cartridges. A variety of pharmaceutical drugs are 2-pyrrolidone See more 2-Pyrrolidone is an eye irritant. See more
WebDec 14, 2024 · Butyrolactam - Use intermediate of y-aminobutyric acid. It is a raw material for Organic Synthesis (Synthesis of polyvinylpyrrolidone, polypyrrolidone, nylon 4, etc.), … WebBulk and Prepack available Aldrich-B103608; γ-ReagentPlus®; GBL 4-Hydroxybutyric acid lactone γ-Hydroxybutyric acid lactone; CAS No. 96-48-0; Explore related products, MSDS, application guides, procedures and protocols at Sigma Aldrich - a one stop solution for all your research & industrial needs.
WebComplexes of the rare-earth metal ions and N-methyl-γ-butyrolactam (NMBuL) have been prepared and characterized. With Ln = La, Ce, Pr, Nd, Sm, Eu, Gd or Tb, these compounds have the general formula [Ln(NMBuL) 8](ClO 4) 3.The formula [Ln′(NMBuL) 7](ClO 4) 3 describes complexes for Ln′ = Dy, Ho, Er, Yb or Y. Infra-red spectra, as well as … WebAntimicrobial compositions comprising at least one C3-C5 N-alkyl-gamma-butyrolactam, e.g. N- butyl-gamma-butyrolactam, are provided. Methods of using C3-C5 N-alkyl-gamma-butyrolactam compounds and compositions to reduce the population of microbes on a surface are also provided.
WebIn addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:
Web2-Pyrrolidinone. undefined. Synonyms: 2-Pyrrolidone, Butyrolactam. CAS 616-45-5. Molecular Weight 85.10. Browse 2-Pyrrolidinone and related products at MilliporeSigma. gears learning bookdazzle leather purseWebLactam. From left to right, general structures of a β-lactam, a γ-lactam, a δ-lactam, and an ε-lactam. The specific structures are β-propiolactam, γ-butyrolactam, δ-valerolactam, and ε-caprolactam. A lactam is a cyclic amide, formally derived from an amino alkanoic acid. The term is a portmanteau of the words lactone + amide . gears leave armyWebVorkommen. Neben vielen anderen Derivaten von 2-Pyrrolidon wurde auch 1-Ethyl-2-pyrrolidon in Zigarettenrauch nachgewiesen.. Eigenschaften und Verwendung. 1-Ethyl-2-pyrrolidon ist eine brennbare, schwer entzündbare, farblose bis gelbliche Flüssigkeit mit aminartigem Geruch, die sowohl mit Wasser als auch mit den meisten organischen … gears leasideWebFrom left to right, general structures of a β-lactam, a γ-lactam, a δ-lactam, and an ε-lactam. The specific structures are β-propiolactam, γ-butyrolactam, δ-valerolactam, and ε … dazzle on the crownWebA unique organocatalytic asymmetric oxidative cross-dehydrogenative coupling of a α-Csp3-H bond of tertiary amines with α,β-unsaturated γ-butyrolactams to generate Morita–Baylis–Hillman-type products has been realized for the first time. This method provides an efficient way to access a series of α-heterocyclic optically active … dazzle on shipsWebAug 27, 2012 · Spiro(γ-butyrolactam-γ-butyrolactone): A route to enantioenriched spiro(γ-butyrolactam-γ-butyrolactone) compounds, a valuable motif for drug discovery, was developed by use of a highly efficient copper(I)/TF-BiphamPhos-catalyzed tandem Michael addition–elimination of homoserine lactone derived cyclic imino esters with … gears layout