21034-21-9

Basic information

• Product Name: 3-benzoyldihydrofuran-2(3H)-one
• Synonyms: 3-Benzoyl-perhydro-2-oxofuran
• CAS NO: 21034-21-9
• Molecular Formula: C₁₁H₁₀O₃
• Molecular Weight: 190.1953
• Mol File: 21034-21-9.mol
• Article Data: 17

Chemical Properties

• Boiling Point: 380.4°C at 760 mmHg
• Flash Point: 173°C
• Density: 1.24g/cm³
• Vapor Pressure: 5.47E-06mmHg at 25°C
• Refractive Index: 1.563
• CAS DataBase Reference: 3-benzoyldihydrofuran-2(3H)-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3-benzoyldihydrofuran-2(3H)-one(21034-21-9)
• EPA Substance Registry System: 3-benzoyldihydrofuran-2(3H)-one(21034-21-9)

Safety Data

• Hazardous Substances Data: 21034-21-9(Hazardous Substances Data)

Upstream product

• 75-21-8 oxirane 
• 64-17-5 ethanol 
• 94-02-0 ethyl 3-oxo-3-phenylpropionate 
• 96-48-0 4-butanolide 
• 93-89-0 benzoic acid ethyl ester 
• 93-58-3 benzoic acid methyl ester 
• 1523-12-2 2-nitrophenyl benzoate 
• 98-88-4 benzoyl chloride 
• 497-23-4 2-buten-4-olide 
• 1373611-11-0 1-benzoylcyclopropane-1-carboxamide 
• 100-52-7 benzaldehyde 
• 161144-22-5 2-Benzoyl-4,5-dihydrofuran 
• 109-99-9 tetrahydrofuran 
• 31167-92-7 α-iodo-γ-butyrolactone 

Downstream Products

• 39755-06-1 4-Oxo-4-phenyl-1-acetoxybutane 
• 21574-62-9 2-amino-5-(2-hydroxy-ethyl)-6-phenyl-3H-pyrimidin-4-one 
• 21574-62-9 2-amino-5-(2-hydroxy-ethyl)-6-phenyl-3H-pyrimidin-4-one 
• 80857-06-3 2-benzoil-2-clorobutirrolattone 
• 39755-03-8 4-hydroxy-1-phenyl-butan-1-one 
• 24070-52-8 4-bromo-1-phenyl-1-butanone 

Relevant articles and documents

Asymmetric synthesis of α-acyl-γ-butyrolactones possessing all-carbon quaternary stereocenters by phase-transfer-catalyzed alkylation

The enantioselective construction of all-carbon quaternary stereocenters on α-acyl-γ-butyrolactones has been achieved by the N-spiro chiral quaternary ammonium bromide 1-catalyzed alkylation under mild phase-transfer conditions. The resulting α-alkylated

Br?nsted Acid-Catalyzed Carbonyl-Olefin Metathesis inside a Self-Assembled Supramolecular Host

Carbonyl–olefin metathesis represents a powerful yet underdeveloped method for the formation of carbon–carbon bonds. So far, no Br?nsted acid based method for the catalytic carbonyl–olefin metathesis has been described. Herein, a cocatalytic system based on a simple Br?nsted acid (HCl) and a self-assembled supramolecular host is presented. The developed system compares well with the current benchmark catalyst for carbonyl–olefin metathesis in terms of substrate scope and yield of isolated product. Control experiments provide strong evidence that the reaction proceeds inside the cavity of the supramolecular host. A mechanistic probe indicates that a stepwise reaction mechanism is likely.

Reductive Reformatsky-Honda reaction of α,β-unsaturated esters: Facile formation of 1,3-dicarbonyl compounds and β-hydroxy esters

The reaction of tris(triphenylphosphine)rhodium chloride [RhCl(PPh 3)3] with diethylzinc (Et2Zn) easily afforded a rhodium-hydride complex that effects the 1,4-reduction of α,β- unsaturated esters to give rhodium enolates. Formation of the rhodium enolate is followed by transmetalation with the zinc species to give a Reformatsky-type reagent, and this reacts with various acid chlorides at the α-position to give β-keto esters. The Reformatsky-type reagent also reacts with various electrophiles such as aldehydes, ketones and acid anhydrides to give the corresponding products in which the electrophiles were introduced reductively at the α-position of α,β-unsaturated esters. Copyright

Formal [4+1] annulation of cyclopropyl amides and water mediated by Lewis acid: A novel entry to γ-butyrolactones

An efficient one-pot synthesis of substituted -butyrolactones from cyclopropyl amides mediated by the Lewis acid SnClH is reported. A mechanism involving a tandem ring-opening reaction and intramolecular cyclization reaction is proposed. Georg Thieme Verlag Stuttgart · New York.