cây butyrolactone

a-Acetylbutyrolactone = 99 517-23-7

Aldrich-A13409; alpha-Acetylbutyrolactone >=99%; CAS Number: 517-23-7; Linear Formula: C6H8O3; find related products, papers, technical documents, MSDS & more at Sigma-Aldrich.

Butyrolactone

The VB receptor protein in S. iae was actually characterized, isolated, and cloned by Yamada and co-workers as the first example among the butyrolactone-type autoregulator receptors in streptomycete.First, the structure and activity relationships of this unique signal molecule were investigated. 32 It was found that every functional group, the lactone ring, …

Nonstrained γ-Butyrolactone to High-Molecular-Weight …

This effective polymerization can not only be performed under mild conditions like bulk polymerization, higher monomer ratio, and elevated temperature (−20 °C comparing to −40 °C), but also obtains high-molecular-weight poly (γ-butyrolactone) (PγBL) ( Mn up to 68.2 kg/mol).

Butyrolactone

Other names: 2(3H)-Furanone, dihydro-; γ-Butyrolactone; γ-BL; γ-Hydroxybutyric acid cyclic ester; γ-Hydroxybutyric acid lactone; γ-Hydroxybutyrolactone; Butanoic acid, 4 …

SAFETY DATA SHEET

y-Butyrolactone Revision Date 24-Dec-2021 effects Notes to Physician Treat symptomatically 5. Fire-fighting measures Suitable Extinguishing MediaWater spray, carbon dioxide (CO2), dry chemical, alcohol-resistant . Unsuitable Extinguishing MediaNo information available Flash Point 98 °C / 208.4 °F Method - No information available …

SAFETY DATA SHEET

Product Name y-Butyrolactone No. : AC108130000; AC108130010; AC108130025; AC108130100; AC108130250 CAS No 96-48-0 Synonyms 4-Hydroxybutyric acid gamma-lactone; BLO Recommended Use Laboratory chemicals. Uses advised against Food, drug, pesticide or biocidal product use. Details of the supplier of the safety data sheet

g-Butyrolactone ReagentPlus, = 99 96-48-0

Biochem/physiol Actions. Precursor of γ-hydroxybutyric acid (GHB). It blocks dopamine release by blocking impulse flow in dopaminergic neurons. Pretreatment with γ …

Protonation of γ‐Butyrolactone and γ‐Butyrolactam

Many natural products include a γ-butyrolactone or γ-butyrolactam moiety as structural element. 1, 2 Especially the γ-butyrolactone motif is present in about 10 % of all natural products. 3 - 5 In total syntheses, a common strategy to synthesize the γ-butyrolactone motif is the Baeyer-Villinger oxidation. 2, 6 Herein, an ester is formed …

Butyrolactone 3 | CAS 77 | Cayman …

Buy Butyrolactone 3, CAS: 77, item number: Cay12095-1 from Cayman Chemical at Biomol! Gcn5 is a chromatin modifying factor whose HAT activity is required to acetylate histone H3 lysine 9 (K9) and K14, which facilitates transcription…

A Review of the Pharmacological Activities and Recent Synthetic

PMCID: PMC7967234 DOI: 10.3390/ijms22052769 Abstract γ -Butyrolactone, a five-membered lactone moiety, is one of the privileged structures of diverse natural products and biologically active small molecules.

Gamma-Butyrolactone

Andrographolide, an ent -labdane diterpenoid lactone, is the major principal bioactive chemical constituent of Andrographis paniculata (Burm. F.) Nees (family: Acanthaceae); this prime constituent is mainly concentrated in leaves and can easily be isolated from the crude plant extracts as crystalline solid ( Rajani et al., 2000, p. 204; Lomlim e...

Protonation of γ‐Butyrolactone and γ‐Butyrolactam

Many natural products include a γ-butyrolactone or γ-butyrolactam moiety as structural element. 1, 2 Especially the γ-butyrolactone motif is present in about 10 % of all natural products. 3-5 In total syntheses, a common strategy to synthesize the γ-butyrolactone motif is the Baeyer-Villinger oxidation. 2, 6 Herein, an ester is formed …

γ-Butyrolactones: Streptomyces signalling molecules regulating

Chemical structures of γ-butyrolactones from Streptomyces and C4-homoserine lactone from Pseudomonas aeruginosa. The name of the signalling molecules appear in bold, and the antibiotic that it effects or its other functions are shown in brackets.

Frontiers | Coral-Derived Endophytic Fungal Product, Butyrolactone …

Butyrolactone-I (BTL-1) is derived from Aspergillus terreus C23-3, an endophytic fungus isolated from Puko Shore coral ( Porites pukoensis) in Xuwen (Guangdong, China) ( 14 ).

G-butyrolactone | Sigma-Aldrich

Synonym(s): γ-Valerolactone, γ-Methyl-γ-butyrolactone, 4,5-Dihydro-5-methyl-2(3H)-furanone, 4-Hydroxypentanoic acid lactone. Empirical Formula (Hill Notation): C 5 H 8 O 2. CAS No.: 108-29-2. Molecular Weight: 100.12. EC No.: 203-569-5. Beilstein No.: 80420. Compare Product No. Description SDS

b-Butyrolactone 98

β-Butyrolactone Write a review 98% Synonym (s): beta-Butyrolactone, β-Methyl-β-propiolactone, 3-Hydroxybutyric acid β-lactone, 4-Methyl-2-oxetanone Empirical Formula …

Chemical Properties of Butyrolactone (CAS 96-48-0)

Similar Compounds. Find more compounds similar to Butyrolactone.. Sources. Crippen Method; Crippen Method; Joback Method; McGowan Method; NIST Webbook; Note: Cheméo is only indexing the data, follow …

Butyrolactone

Molecular weight: 86.0892 IUPAC Standard InChI: InChI=1S/C4H6O2/c5-4-2-1-3-6-4/h1-3H2 IUPAC Standard InChIKey: YEJRWHAVMIAJKC-UHFFFAOYSA-N CAS Registry Number: 96-48-0 Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript .

gamma-butyrolactone, 96-48-0

Product (s): BUTYROLACTONE GAMMA. Passion for Simplicity. Manufacturer and supplier of high quality flavor and fragrance ingredients. The growth and success of Vigon is due in large part to a unique corporate concept that Vigon has developed and established within the industry: Creative Partnerships.

GAMMA BUTYROLACTONE (GBL)

Gamma butyrolactone (GBL) is a chemical in cleaning solutions and nail polish. In the body, GBL is converted to gamma-hydroxybutyrate ( GHB ), a date- rape drug. When the body converts GBL into...

γ-Butyrolactone | CAY-18706-50MG | LGC Standards

γ-Butyrolactone, CAY-18706-50MG, from GHB and related materials. High-quality, certified reference materials, available to purchase online at LGC Standards. We use cookies to ensure that we give you the best experience of our website.

Gamma-Butyrolactone

Gamma-Butyrolactone. The conversion of GBL to GHB by peripheral lactonases (or by nonenzymatic hydrolysis), and 1,4-BD by alcohol dehydrogenase and aldehyde dehydrogenase (Snead & Gibson, 2005) might explain the different time profile of each compound for the cataleptic responses during the observation period (60–70min) …

y-Butyrolactone, 99+%, Thermo Scientific Chemicals

Description. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the …

b-Butyrolactone 98

β-Butyrolactone Write a review 98% Synonym (s): beta-Butyrolactone, β-Methyl-β-propiolactone, 3-Hydroxybutyric acid β-lactone, 4-Methyl-2-oxetanone Empirical Formula (Hill Notation): C4H6O2 CAS Number: Molecular Weight: 86.09 EC Number: 221-330-3 MDL number: MFCD00005170 PubChem Substance ID: 24853107 NACRES: NA.22

γ-Butyrolactone | CAY-18706-10MG | LGC Standards

Home Forensic and Toxicology GHB and related materials γ-Butyrolactone γ-Butyrolactone Synonyms: gamma-Butyrolactone, GBL, Gammabutyrolactone Product …

Butyrolactone

epi -Pandamarilactonine-H ( 52) was synthesized in the course of the structure elucidation of pandamarilactonine-H ( 5) (vide supra). 16 4-Iodobutylene-substituted butyrolactone 56 which corresponds to the upper fragment of alkaloid 5, was prepared according to the protocol developed for the synthesis of pandamarilactonine-C and -D. 22 Another f...

Nonstrained γ-Butyrolactone to High-Molecular-Weight …

We disclose an efficient catalyst system of commercial ureas/alkoxides for the challenging ring-opening polymerization (ROP) of bioderived "nonpolymerizable" γ-butyrolactone (γ-BL). This effective polymerization can not only be performed under mild conditions like bulk polymerization, higher monomer ratio, and elevated temperature …

Gamma-Butyrolactone-d6 | CAY-31373-5MG | LGC Standards

Gamma-Butyrolactone-d6, CAY-31373-5MG, from Stable isotope labelled compounds. High-quality, certified reference materials, available to purchase online at LGC Standards.

GAMMA BUTYROLACTONE (GBL)

Gamma butyrolactone (GBL) is a chemical in cleaning solutions and nail polish. In the body, GBL is converted to gamma-hydroxybutyrate ( GHB ), a date- rape drug.

Butyrolactone I | CAS 8 | Cayman …

Butyrolactone I is a secondary metabolite from A. terreus that acts as an ATP-competitive inhibitor of cyclin-dependent kinase 1 (Cdk1, IC50 = 20 …

BLO™ butyrolactone by Ashland: Technical Datasheet

BLO™ butyrolactone by Ashland acts as a polar solvent for ionic substrates. It is a hygroscopic, biodegradable and reactive butyrolactone. It also functions as an acid donor in aqueous media at elevated temperature. It is suitable for formulating adhesives. BLO™ butyrolactone offers stability under a wide range of conditions.

y-Butyrolactone, 99+%, Thermo Scientific Chemicals

Description. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Synthesis of novel phytol-derived γ-butyrolactones …

Synthesis of novel phytol-derived γ-butyrolactones and evaluation of their biological activity | Scientific Reports. Article. Open Access. Published: 19 February 2021.

Synthesis of novel phytol-derived γ-butyrolactones and

It has been estimated that almost 10% of natural products contain in their structure a γ-butyrolactone ring 1. This type of molecules is produced by algae, sponges, fungi and liverworts 2, 3, 4 .

Transient accumulation of γ-butyrolactone during

However, 4-hydroxybutyrate or γ-butyrolactone at concentrations of 2 mM was used for growth by Rhodococcus cells, pregrown on diethylether after an extended lag phase of 14 days. 4-Chlorobutanol or 1,4-butanediol also supported growth, yet an even longer lag phase of 21 days was observed. Parallel cultures with 2 mM diethylether or 1 …

4-BUTYROLACTONE | CAMEO Chemicals | NOAA

PHYSICAL DESCRIPTION: Clear colorless oily liquid with a pleasant odor. (NTP, 1992) Hazards What is this information? Reactivity Alerts none Air & Water Reactions Hygroscopic. Soluble in water. Fire Hazard This chemical …

gamma-Butyrolactone | C4H6O2 | CID 7302

gamma-Butyrolactone | C4H6O2 | CID 7302 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...

A Review of the Pharmacological Activities and Recent Synthetic

γ-Butyrolactone, a five-membered lactone moiety, is one of the privileged structures of diverse natural products and biologically active small molecules.Because of their broad spectrum of biological and pharmacological activities, synthetic methods for γ-butyrolactones have received significant attention from synthetic and medicinal chemists …