663155-10-0

Basic information

• Product Name: 2-Butenoic acid, 4-cyclohexylidene-2-methyl-, ethyl ester, (2E)-
• CAS NO: 663155-10-0
• Molecular Formula: C13H20O2
• Molecular Weight: 208.301
• Mol File: 663155-10-0.mol

Chemical Properties

• CAS DataBase Reference: 2-Butenoic acid, 4-cyclohexylidene-2-methyl-, ethyl ester, (2E)-(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Butenoic acid, 4-cyclohexylidene-2-methyl-, ethyl ester, (2E)-(663155-10-0)
• EPA Substance Registry System: 2-Butenoic acid, 4-cyclohexylidene-2-methyl-, ethyl ester, (2E)-(663155-10-0)

Safety Data

• Hazardous Substances Data: 663155-10-0(Hazardous Substances Data)

Upstream product

• 3699-66-9 ethyl 2-diethoxyphosphorylpropionate 
• 1713-63-9 cyclohexylideneacetaldehyde 

Relevant articles and documents

New cyclization reaction of 2-(trimethylsilylmethyl)pentadienal. Synthesis of spiro[4.5]decane ring system

4-Cyclohexylidene-2-(trimethylsilylmethyl)but-2-enal, allylsilane type of linearly conjugated pentadienal, underwent a new self-cyclization reaction to afford 2-methylspiro[4.5]-2-decen-1-one. The reaction of 4-(4-alkylcyclohexylidene)-2-(trimethylsilylme

Synthesis of spiro[4.5]decane and bicyclo[4.3.0]nonane ring systems by self-cyclization of (Z)- and (E)-2-(trimethylsilylmethyl)pentadienal derivative

The two title carbon frameworks were synthesized utilizing a new type of iron-induced cyclization reaction of 2-(trimethylsilylmethyl)pentadienal. 2-Methylspiro[4.5]dec-2-en-1-one was obtained from (Z)- and (E)-4- cyclohexylidene-2-(trimethylsilylmethyl)but-2-enal. It was found that the (Z)-substrate isomerized to (E)-intermediate followed by cyclization to afford the initial product, 2-methylenespiro[4.5]dec-3-en-1-ol, which was isomerized to the above product. The cyclization of 4-(4-alkyl)cyclohexylidene-2- (trimethylsilylmethyl)but-2-enal proceeded stereoselectively. While, (E)-3-(cyclohex-1-en-1-yl)-2-(trimethylsilylmethyl)prop-2-en-1-al cyclized immediately affording 8-methylenebicyclo[4.3.0]non-9-en-7-ol. The corresponding (Z)-isomer gave several cyclization products as a complex mixture.