83688-40-8

Basic information

• Product Name: Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7,9-dihydroxy-
• Synonyms: Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7,9-dihydroxy-
• CAS NO: 83688-40-8
• Molecular Formula: C₁₂H₁₀O₄
• Molecular Weight: 218.21
• Mol File: 83688-40-8.mol
• Article Data: 6

Chemical Properties

• Appearance: /
• CAS DataBase Reference: Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7,9-dihydroxy-(CAS DataBase Reference)
• NIST Chemistry Reference: Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7,9-dihydroxy-(83688-40-8)
• EPA Substance Registry System: Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7,9-dihydroxy-(83688-40-8)

Safety Data

• Hazardous Substances Data: 83688-40-8(Hazardous Substances Data)

Upstream product

• 108-73-6 3,5-dihydroxyphenol 
• 611-10-9 2-ethoxycarbonyl-1-cyclopentanone 
• 24922-00-7 ethyl 3-cyclopentyl-3-oxopropionate 

Relevant articles and documents

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Nano-BFn/cellulose as a modified bio-based nano-catalyst has been synthesized from nanocellulose and boron triflouride via very simple steps. This novel nano-catalyst exhibited many advantages in the synthesis of 7-hydroxycoumarins such as good

TETRIACYCLODIPYRANYL COUMARINS AND THE ANTI-HIV AND ANTI-TUBERCULOSIS USES THEREOF

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Microwave initiated reactions: Pechmann coumarin synthesis, Biginelli reaction, and acylation

An energy-efficient protocol has been developed for solvent-free reactions that are mildly exothermic but not spontaneous. The exothermic reaction mixture-on several g-scale-is exposed for about 30 s to low power (about 200 W) microwaves and then the microwave oven is switched off. After this short burst of energy, the exothermic reaction gets initiated and proceeds on its own to completion. A number of coumarins were synthesized by the Pechmann reaction using this strategy.