3-(Tetrahydro-6,6-dimethyl-4-oxo-2H-pyran-3-ylidene)-1H-indol-2(3H)-one

Base Information

Chemical Name:3-(Tetrahydro-6,6-dimethyl-4-oxo-2H-pyran-3-ylidene)-1H-indol-2(3H)-one
CAS No.:118959-32-3
Molecular Formula:C₁₅H₁₅NO₃
Molecular Weight:257.289
Hs Code.:
Wikidata:Q76280570

Synonyms:BRN 5554234;3-(2,2-Dimethyltetrahydropyranyliden-4-one)oxindole;3-(Tetrahydro-6,6-dimethyl-4-oxo-2H-pyran-3-ylidene)-1H-indol-2(3H)-one;1,3-Dihydro-3-(dihydro-6,6-dimethyl-4-oxo-2H-pyran-3(4H)-ylidene)-2H-indol-2-one;2H-Indol-2-one, 1,3-dihydro-3-(dihydro-6,6-dimethyl-4-oxo-2H-pyran-3(4H)-ylidene)-;118959-32-3;LS-83803

Suppliers and Price of 3-(Tetrahydro-6,6-dimethyl-4-oxo-2H-pyran-3-ylidene)-1H-indol-2(3H)-one

Supply Marketing:

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

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of 3-(Tetrahydro-6,6-dimethyl-4-oxo-2H-pyran-3-ylidene)-1H-indol-2(3H)-one

Chemical Property:

Vapor Pressure:4.07E-08mmHg at 25°C
Boiling Point:445.1°Cat760mmHg
Flash Point:223°C
Density:1.246g/cm³
XLogP3:0.8
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:0
Exact Mass:257.10519334
Heavy Atom Count:19
Complexity:464

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1(CC(=O)C(=C2C3=CC=CC=C3NC2=O)CO1)C
Isomeric SMILES:CC1(CC(=O)/C(=C\2/C3=CC=CC=C3NC2=O)/CO1)C

Technology Process of 3-(Tetrahydro-6,6-dimethyl-4-oxo-2H-pyran-3-ylidene)-1H-indol-2(3H)-one

There total 3 articles about 3-(Tetrahydro-6,6-dimethyl-4-oxo-2H-pyran-3-ylidene)-1H-indol-2(3H)-one 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: 73.5%

: 118959-30-1
3-Hydroxy-3-(2,2-dimethyl-4-tetrahydropyranonyl)oxindole

: 118959-32-3
3-(2,2-Dimethyltetrahydropyranyliden-4-one)oxindole

Guidance literature:: With hydrogenchloride; In acetic acid; for 2h;
DOI:10.1007/BF00763270

Reference yield:

: 1194-16-7
2,2-dimethyltetrahydropyran-4-one

: 118959-32-3
3-(2,2-Dimethyltetrahydropyranyliden-4-one)oxindole

Guidance literature:: Multi-step reaction with 2 steps

1: 85.4 percent / Et₂NH / ethanol / 48 h / Ambient temperature

2: 73.5 percent / HCl / acetic acid / 2 h

With hydrogenchloride; diethylamine; In ethanol; acetic acid;
DOI:10.1007/BF00763270

Reference yield:

: 91-56-5,1186480-61-4,84788-92-1
indole-2,3-dione

: 118959-32-3
3-(2,2-Dimethyltetrahydropyranyliden-4-one)oxindole

Guidance literature:: Multi-step reaction with 2 steps

1: 85.4 percent / Et₂NH / ethanol / 48 h / Ambient temperature

2: 73.5 percent / HCl / acetic acid / 2 h

With hydrogenchloride; diethylamine; In ethanol; acetic acid;
DOI:10.1007/BF00763270