1307740-42-6

Basic information

• Product Name: (1R*)-1-but-3-enyl-2,6,6-trimethyl-4-oxocyclohex-2-enecarboxylic acid ethyl ester
• Synonyms: (1R*)-1-but-3-enyl-2,6,6-trimethyl-4-oxocyclohex-2-enecarboxylic acid ethyl ester
• CAS NO: 1307740-42-6
• Molecular Weight: 264.365
• Mol File: 1307740-42-6.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: (1R*)-1-but-3-enyl-2,6,6-trimethyl-4-oxocyclohex-2-enecarboxylic acid ethyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: (1R*)-1-but-3-enyl-2,6,6-trimethyl-4-oxocyclohex-2-enecarboxylic acid ethyl ester(1307740-42-6)
• EPA Substance Registry System: (1R*)-1-but-3-enyl-2,6,6-trimethyl-4-oxocyclohex-2-enecarboxylic acid ethyl ester(1307740-42-6)

Safety Data

• Hazardous Substances Data: 1307740-42-6(Hazardous Substances Data)

Upstream product

• 105-56-6 ethyl 2-cyanoacetate 
• 759-58-0 ethyl isopropylidenecyanoacetate 
• 1307740-37-9 4-(tert-butyldimethylsilyloxy)-1-cyano-2,6,6-trimethylcyclohex-3-enecarboxylic acid ethyl ester 

Downstream Products

• 1307740-43-7 (1R*)-1-but-3-enyl-4-hydroxy-2,6,6-trimethylcyclohex-2-enecarboxylic acid ethyl ester 
• 1307740-44-8 (1R*)-1-but-3-enyl-4-(tert-butyldimethylsilyloxy)-2,6,6-trimethylcyclohex-2-enecarboxylic acid ethyl ester 
• 1307740-45-9 (1R*)-4-(tert-butyldimethylsilyloxy)-2,6,6-trimethyl-1-(3-oxobutyl)cyclohex-2-enecarboxylic acid ethyl ester 
• 1307740-46-0 C₂₀H₄₀O₃Si 

Relevant articles and documents

Total syntheses of (±)-(Z)- and (±)-(E)-9-(bromomethylene)-1, 5,5-trimethylspiro[5.5]undeca-1,7-dien-3-one and (±)-majusculone

A new total synthesis of the chamigrene sesquiterpenoids (Z)-9-(bromomethylene)-1,5,5-trimethylspiro[5.5]undeca-1,7-diene-3-one and its 15-E-epimer has been accomplished in 13 steps. In our sequence, a Diels-Alder reaction and subsequent reductive alkylat