5-methyl-3-methylidene-5-phenyloxolan-2-one

Modify Date: 2026-07-14 23:23:02

5-methyl-3-methylidene-5-phenyloxolan-2-one Structure
5-methyl-3-methylidene-5-phenyloxolan-2-one structure
Common Name 5-methyl-3-methylidene-5-phenyloxolan-2-one
CAS Number 29043-98-9 Molecular Weight 188.22200
Density 1.11g/cm3 Boiling Point 323.7ºC at 760mmHg
Molecular Formula C12H12O2 Melting Point N/A
MSDS N/A Flash Point 133.5ºC

 Names

Name 5-methyl-3-methylidene-5-phenyloxolan-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.11g/cm3
Boiling Point 323.7ºC at 760mmHg
Molecular Formula C12H12O2
Molecular Weight 188.22200
Flash Point 133.5ºC
Exact Mass 188.08400
PSA 26.30000
LogP 2.40490
Vapour Pressure 0.000257mmHg at 25°C
Index of Refraction 1.551
InChIKey JHUHFCGGZYVSLQ-UHFFFAOYSA-N
SMILES C=C1CC(C)(c2ccccc2)OC1=O

 Synthetic Route

~77%

5-methyl-3-methylidene-5-phenyloxolan-2-one Structure

5-methyl-3-meth...

CAS#:29043-98-9

Learn More
Literature: Schlewer, Gilbert; Stampf, Jean-Luc; Benezra, Claude Journal of Medicinal Chemistry, 1980 , vol. 23, # 9 p. 1031 - 1038

~60%

5-methyl-3-methylidene-5-phenyloxolan-2-one Structure

5-methyl-3-meth...

CAS#:29043-98-9

Learn More
Literature: Okabe, Masami; Abe, Masayoshi; Tada, Masaru Journal of Organic Chemistry, 1982 , vol. 47, # 9 p. 1775 - 1777

~%

5-methyl-3-methylidene-5-phenyloxolan-2-one Structure

5-methyl-3-meth...

CAS#:29043-98-9

Learn More
Literature: Okabe, Masami; Abe, Masayoshi; Tada, Masaru Journal of Organic Chemistry, 1982 , vol. 47, # 9 p. 1775 - 1777

~%

5-methyl-3-methylidene-5-phenyloxolan-2-one Structure

5-methyl-3-meth...

CAS#:29043-98-9

Learn More
Literature: Hon, Yung-Son; Liu, Yu-Wei; Hsieh, Cheng-Han Tetrahedron, 2004 , vol. 60, # 22 p. 4837 - 4860

~%

5-methyl-3-methylidene-5-phenyloxolan-2-one Structure

5-methyl-3-meth...

CAS#:29043-98-9

Learn More
Literature: Hon, Yung-Son; Liu, Yu-Wei; Hsieh, Cheng-Han Tetrahedron, 2004 , vol. 60, # 22 p. 4837 - 4860

~%

5-methyl-3-methylidene-5-phenyloxolan-2-one Structure

5-methyl-3-meth...

CAS#:29043-98-9

Learn More
Literature: Hon, Yung-Son; Liu, Yu-Wei; Hsieh, Cheng-Han Tetrahedron, 2004 , vol. 60, # 22 p. 4837 - 4860

~%

5-methyl-3-methylidene-5-phenyloxolan-2-one Structure

5-methyl-3-meth...

CAS#:29043-98-9

Learn More
Literature: Hon, Yung-Son; Liu, Yu-Wei; Hsieh, Cheng-Han Tetrahedron, 2004 , vol. 60, # 22 p. 4837 - 4860

 Bioassay

View more

Name: Average skin reaction in guinea pig sensitized to alpha-methylene-gamma-butyrolactone...
Source: ChEMBL
Target: Cavia porcellus
External Id: CHEMBL680062
Name: Average skin reaction in guinea pig sensitized to the sesquiterpene alantolactone (to...
Source: ChEMBL
Target: Cavia porcellus
External Id: CHEMBL680207
Name: Average skin reaction in guinea pig sensitized to the sesquiterpene isoalantolactone ...
Source: ChEMBL
Target: Cavia porcellus
External Id: CHEMBL680210
Name: Number guinea pigs sensitized to the sesquiterpene alantolactone (out of 7 guinea pig...
Source: ChEMBL
Target: Cavia porcellus
External Id: CHEMBL681914
Name: Number of guinea pigs sensitized to alpha-methylene-gamma-butyrolactone (out of 10 gu...
Source: ChEMBL
Target: Cavia porcellus
External Id: CHEMBL681913
Name: Number of guinea pigs sensitized to the sesquiterpene isoalantolactone (out of 8 guin...
Source: ChEMBL
Target: Cavia porcellus
External Id: CHEMBL681915
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 Synonyms

3-Methylen-5-methyl-5-phenyltetrahydrofuran-2-on
5-methyl-3-methylene-5-phenyl-dihydro-furan-2-one
Oxolan-2-one,5-methyl-3-methylidene-5-phenyl
4-methyl-2-methylene-4-phenylbutano-4-lactone
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