232-95-1

Basic information

• Product Name: naphtho[2,1-b]furan
• Synonyms: naphtho[2,1-b]furan;benzo[e][1]benzofuran;benzo[e]benzofuran
• CAS NO: 232-95-1
• Molecular Formula: C₁₂H₈O
• Molecular Weight: 168.19132
• EINECS: 205-938-6
• Mol File: 232-95-1.mol
• Article Data: 17

Chemical Properties

• Melting Point: 61-69 °C(Solv: methanol (67-56-1))
• Boiling Point: 285°Cat760mmHg
• Flash Point: 139.7°C
• Appearance: /
• Density: 1.197g/cm³
• Vapor Pressure: 0.00495mmHg at 25°C
• Refractive Index: 1.699
• CAS DataBase Reference: naphtho[2,1-b]furan(CAS DataBase Reference)
• NIST Chemistry Reference: naphtho[2,1-b]furan(232-95-1)
• EPA Substance Registry System: naphtho[2,1-b]furan(232-95-1)

Safety Data

• Hazardous Substances Data: 232-95-1(Hazardous Substances Data)

Usage

InChI:InChI=1/C12H8O/c1-2-4-10-9(3-1)5-6-12-11(10)7-8-13-12/h1-8H

Upstream product

• 5656-67-7 acide naphtho<2,1-b>furanne carboxilique 
• 27855-91-0 (1-formyl-2-naphthyloxy)acetic acid 
• 62-53-3 aniline 
• 117516-71-9 [2]naphthyloxy-acetaldehyde diethylacetal 
• 135-19-3 β-naphthol 
• 621-62-5 chloroacetaldehyde diethyl acetal 
• 87619-46-3 1-dichloromethyl-2-methoxynaphthalene 
• 83469-37-8 2-methoxy-1-<(methoxytrimethylsilyl)methyl>naphthalene 
• 197314-86-6 Methyl 3-(2-allyloxy-1-naphthyl)propenoate 
• 174832-83-8 5-(Toluene-4-sulfonyl)-naphtho[2,1-b]furan 
• 58195-30-5 2,4a-dihydronaphtho[2,1-c][1,2]dioxine 
• 2136-75-6 (triphenylphosphoranylidene)acetaldehyde 
• 21204-67-1 methyl (triphenylphosphoranylidene)acetate 
• 1439-36-7 1-triphenylphosphoranylidene-2-propanone 

Downstream Products

• 88503-21-3 2-phenylmethylene-naphtho[2,1-b]furan-1(2H)-one 
• 528-46-1 phthalonic acid 
• 144-62-7 oxalic acid 
• 15719-64-9 methylammonium carbonate 
• 88-99-3 benzene-1,2-dicarboxylic acid 

Related news

Unexpected Dual Acylation of Naphtho[2,1-b]furan at the Aryl and Hetaryl Ring: Experimental and Theoretical Study09/29/2019

Depending on the reaction conditions, the acylation of 2-ethylnaphtho[2,1-b]furan leads to the formation of a mixture of 1-acetyl-, 5-acetyl-, and 1,5-diacetyl derivatives with a widely varying ratio of components, the structure of which has been characterized by IR and NMR spectroscopy, mass sp...detailed

A naphtho[2,1-b]furan as a new fluorescent label: synthesis and spectral characterisation09/28/2019

A fluorescent naphthofuran was synthesised from an oxobenzopyran by alkaline ring contraction and coupled with various l-amino acids at their N-terminus or at side-chain functional groups, in order to evaluate its applicability as a fluorescent label for biomolecules and in peptide synthesis. Fl...detailed

Relevant articles and documents

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Annulation of β-naphthols and 4-hydroxycoumarins with vinylsulfonium salts: Synthesis of dihydrofuran derivatives

A new synthetic approach to dihydrofuran derivatives via the annulation reaction of β-naphthols and 4-hydroxycoumarins with vinylsulfonium salts has been developed. A variety of dihydrofuran derivatives were prepared in moderate to good yields under mild conditions. The products could be readily transformed to the corresponding furans via the dehydrogenation with DDQ.

Nickel-Catalyzed Boron Insertion into the C2-O Bond of Benzofurans

Treatment of benzofurans with bis(pinacolato)diboron and Cs2CO3 under nickel-NHC catalysis resulted in the insertion of a boron atom into the C2-O bond of benzofurans to afford the corresponding oxaborins. The scope of benzofuran substrates is wide, and the reactions proceeded without loss of functional groups such as fluoro, methoxy, and ester that are potentially reactive under nickel catalysis. The boron-inserted products proved to be useful building blocks and subsequently underwent a series of transformations, one of which led to the synthesis of fluorescent π-expanded oxaborins.