67911-21-1

Basic information

• Product Name: Caronic anhydride
• Synonyms: 6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione;caronic anhydride;aronicanhydride;6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione caronic anhydride aronicanhydride;3-Oxabicyclo[3.1.0]hexane-2,4-dione,6,6-diMethyl-;6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione (Caronic anhydride);6,6-dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-quinone;6,6-Dimethyl-3-oxabicyclo[3.1.]hexane-2,4-dione
• CAS NO: 67911-21-1
• Molecular Formula: C₇H₈O₃
• Molecular Weight: 140.14
• Mol File: 67911-21-1.mol
• Article Data: 11

Chemical Properties

• Melting Point: 53-57℃
• Boiling Point: 246°C
• Flash Point: 113°C
• Appearance: White/Solid
• Density: 1.274
• Vapor Pressure: 0.0274mmHg at 25°C
• Refractive Index: 1.499
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• Solubility: soluble in Methanol
• Sensitive: Moisture Sensitive
• CAS DataBase Reference: Caronic anhydride(CAS DataBase Reference)
• NIST Chemistry Reference: Caronic anhydride(67911-21-1)
• EPA Substance Registry System: Caronic anhydride(67911-21-1)

Safety Data

• HazardClass: IRRITANT
• Hazardous Substances Data: 67911-21-1(Hazardous Substances Data)

Usage

Chemical Properties

White crystalline powder

InChI:InChI=1/C7H8O3/c1-7(2)3-4(7)6(9)10-5(3)8/h3-4H,1-2H3

Upstream product

• 70174-49-1 (1R,Cis)-4,7,7-trimethyl-3-oxabicyclo-(4.1.0.)-hept-4-en-2-one 
• 497-42-7 cis 2,2-dimethyl-cyclopropane-1,3-dicarboxylic acid 
• 14590-53-5 (+)-1S-2,2-dimethylcyclopropane-carboxylic acid 
• 13939-06-5 molybdenum hexacarbonyl 
• 474429-71-5 C₉H₁₂O₅ 
• 936-87-8 trans-caronic acid 
• 936-87-8 (1S,2R)-3,3-Dimethyl-cyclopropane-1,2-dicarboxylic acid 
• 79942-64-6 ethyl 2,2-dimethyl-3-(acetoxymethyl)cyclopropanecarboxylate 
• 497-62-1 caran-2-one 
• 97-41-6 ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate 

Downstream Products

• 943516-53-8 3-benzyl-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2,4-dione 
• 1037559-68-4 3-benzyl-6,6-dimethyl-3-azabicyclo[3.1.0]hexane 
• 943516-55-0 6,6-dimethyl-3-azabicyclo[3.1.0]hexane hydrochloride 
• 194421-56-2 6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2,4-dione 
• 1373205-30-1 6,6-dimethyl-3-(1R,2S,5S)-azabicyclo[3.1.0]hexane-2-carboxylic acid hydrochloride 
• 943516-54-9 6,6-dimethyl-3-azabicyclo[3.1.0]hexane 
• 86331-43-3 Acetic acid (R)-2-(6,6-dimethyl-2,4-dioxo-3-aza-bicyclo[3.1.0]hex-3-yl)-2-phenyl-ethyl ester 
• 86331-48-8 4-Hydroxy-3-((R)-2-hydroxy-1-phenyl-ethyl)-6,6-dimethyl-3-aza-bicyclo[3.1.0]hexan-2-one 
• 86331-34-2 3-((R)-2-Hydroxy-1-phenyl-ethyl)-6,6-dimethyl-3-aza-bicyclo[3.1.0]hexane-2,4-dione 
• 86331-53-5 3-Hydroxymethyl-2,2-dimethyl-cyclopropanecarboxylic acid ((R)-2-hydroxy-1-phenyl-ethyl)-amide 
• 26771-11-9 (1R)-cis-chrysanthemic acid 

Relevant articles and documents

kalong acid, carrondo anhydried novel method for the synthesis of

The invention relates to new synthesis methods of caronaldehydic acid hemiacetal, caronic acid and caronic anhydride. Hydroxyl-protected isopentenyl alcohol is adopted as a starting material, then a three-membered ring key intermediate is generated throug

DEHYDROHALOGENATION PROCESS FOR THE PREPARATION OF INTERMEDIATES USEFUL IN PROVIDING 6,6-DIMETHYL-3-AZABICYCLO-[3.1.0]-HEXANE COMPOUNDS

The present invention provides for a process for preparing the pyrrole compounds of Formula Va and Vb.