4-Methylenechroman

Base Information

Chemical Name:4-Methylenechroman
CAS No.:87280-12-4
Molecular Formula:C10H10O
Molecular Weight:146.189
Hs Code.:
DSSTox Substance ID:DTXSID80508534
Nikkaji Number:J1.455.743A
Wikidata:Q82365534

Synonyms:4-methylenechroman;87280-12-4;4-methylidene-2,3-dihydrochromene;2H-1-Benzopyran, 3,4-dihydro-4-methylene-;4-methylenechromane;4-methylene-chroman;4-methylene-chromane;SCHEMBL5173946;DTXSID80508534;KGNWOIOTHSSWGW-UHFFFAOYSA-N;AKOS013992183;4-Methylidene-3,4-dihydro-2H-1-benzopyran

Suppliers and Price of 4-Methylenechroman

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 4-Methylenechroman

Chemical Property:

XLogP3:2.3
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:0
Exact Mass:146.073164938
Heavy Atom Count:11
Complexity:162

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C=C1CCOC2=CC=CC=C12

Technology Process of 4-Methylenechroman

There total 2 articles about 4-Methylenechroman which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 42.0%

: sodium cobalt(I) N,N'-1,2-ethylenebis(salicylidenimine)

: 57056-88-9
1-(but-3-en-1-yloxy)-2-iodobenzene

: (2,3-dihyrdo-2H-1-benzofuran-4-yl)methylcobalt(III) (N,N'-1,2-ethylenebis(salicylidenimine))

: 2653-89-6
4-phenoxy-1-butene

: 87280-12-4
4-methylene-3,4-dihydro-2H-1-benzopyran

Guidance literature:: In tetrahydrofuran; addn. of soln. of org. compd. in THF to soln. of Co-compd. in THF (25°C), stirrnig (darkness, room temp., 18 h); evapn. (vac., darkness, <30°C), diln. (H2O), extn. (Et2O-petroleum ether 1:1), extn. of aq. layer (CHCl3), evapn. (vac., darkness, <30°C), chromy. (silica CHCl3-EtOAc 1:4), recrystn. (CHCl3-petroleum ether);

Reference yield: 6.0%

: 57056-88-9
1-(but-3-en-1-yloxy)-2-iodobenzene

: 2653-89-6
4-phenoxy-1-butene

: 87280-12-4
4-methylene-3,4-dihydro-2H-1-benzopyran

Guidance literature:: With sodium cobalt(I) N,N'-1,2-ethylenebis(salicylidenimine); In tetrahydrofuran; for 18h; Ambient temperature;

Reference yield: 66.0%

: 87280-12-4
4-methylene-3,4-dihydro-2H-1-benzopyran

: 491-37-2
2,3-dihydro-4H-1-benzopyran-4-one

Guidance literature:: With 1,1'-bis-(diphenylphosphino)ferrocene; oxygen; 2,5-Dimercapto-1,3,4-thiadiazole; In acetonitrile; at 20 - 80 ℃; for 15h; under 760.051 Torr; Schlenk technique;
DOI:10.1039/c8gc02369g