4-methylidene-2,3-dihydrochromene

Modify Date: 2025-10-25 21:35:09

4-methylidene-2,3-dihydrochromene Structure
4-methylidene-2,3-dihydrochromene structure
 Common Name 4-methylidene-2,3-dihydrochromene
CAS Number 87280-12-4 Molecular Weight 146.18600
Density N/A Boiling Point N/A
Molecular Formula C10H10O Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 4-methylidene-2,3-dihydrochromene
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C10H10O
Molecular Weight 146.18600
Exact Mass 146.07300
PSA 9.23000
LogP 2.48230
InChIKey KGNWOIOTHSSWGW-UHFFFAOYSA-N
SMILES C=C1CCOc2ccccc21

 Synthetic Route

3,4-DIHYDRO-4-(IODOMETHYL)-2H-1-BENZOPYRAN structure

3,4-DIHYDRO-4-(...

CAS#:107616-56-8

~80%

4-methylidene-2,3-dihydrochromene Structure

4-methylidene-2...

CAS#:87280-12-4

Literature: Barluenga, Jose; Trincado, Monica; Rubio, Eduardo; Gonzalez, Jose M. Journal of the American Chemical Society, 2004 , vol. 126, # 11 p. 3416 - 3417
but-3-enoxybenzene structure

but-3-enoxybenzene

CAS#:2653-89-6

~%

4-methylidene-2,3-dihydrochromene Structure

4-methylidene-2...

CAS#:87280-12-4

Literature: Barluenga, Jose; Trincado, Monica; Rubio, Eduardo; Gonzalez, Jose M. Journal of the American Chemical Society, 2004 , vol. 126, # 11 p. 3416 - 3417
iodophenol structure

iodophenol

CAS#:533-58-4

~%

4-methylidene-2,3-dihydrochromene Structure

4-methylidene-2...

CAS#:87280-12-4

Literature: Hodgson, David M.; Wells, Christopher Tetrahedron Letters, 1994 , vol. 35, # 10 p. 1601 - 1604
4-Chromanone structure

4-Chromanone

CAS#:491-37-2

~%

4-methylidene-2,3-dihydrochromene Structure

4-methylidene-2...

CAS#:87280-12-4

Literature: SCHERING AKTIENGESELLSCHAFT Patent: WO2006/66950 A2, 2006 ; Location in patent: Page/Page column 31-33 ;
2-Bromophenol structure

2-Bromophenol

CAS#:95-56-7

~%

4-methylidene-2,3-dihydrochromene Structure

4-methylidene-2...

CAS#:87280-12-4

Literature: Shi, L.; Narula, C. K.; Mak, K. T.; Kao, L.; Xu, Y.; Heck, R. F. Journal of Organic Chemistry, 1983 , vol. 48, # 22 p. 3894 - 3900
4-Chromanone structure

4-Chromanone

CAS#:491-37-2

Dibromomethane structure

Dibromomethane

CAS#:74-95-3

~%

4-methylidene-2,3-dihydrochromene Structure

4-methylidene-2...

CAS#:87280-12-4

Literature: SCHERING AKTIENGESELLSCHAFT Patent: WO2006/108711 A1, 2006 ; Location in patent: Page/Page column 43 ;
4-Chromanone structure

4-Chromanone

CAS#:491-37-2

Methyltriphenylphosphonium bromide structure

Methyltriphenyl...

CAS#:1779-49-3

~%

4-methylidene-2,3-dihydrochromene Structure

4-methylidene-2...

CAS#:87280-12-4

Literature: Smith, Craig R.; Hwan, Jung Lim; Zhang, Aibin; RajanBabu Synthesis, 2009 , # 12 art. no. C01309SS, p. 2089 - 2100
(buta-2,3-dienyloxy)benzene structure

(buta-2,3-dieny...

CAS#:108685-67-2

~%

4-Methyl-2H-benzopyran structure

4-Methyl-2H-ben...

CAS#:21776-94-3

4-methylidene-2,3-dihydrochromene Structure

4-methylidene-2...

CAS#:87280-12-4

Literature: Balasubramanian, T.; Balasubramanian, K. K. Tetrahedron Letters, 1991 , vol. 32, # 45 p. 6641 - 6644

 Synonyms

3,4-dihydro-4-methylene-2H-1-benzopyran
2H-1-Benzopyran,3,4-dihydro-4-methylene
4-methylene-chromane
2,3-dihydro-4-methylenebenzopyran
4-methylene-3,4-dihydro-2H-1-benzopyran
4-methylenechroman
3,4-dihydro-4-methylene-1-2H-benzopyran
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