4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-nitrophenyl)methylene]-

Base Information

Chemical Name:4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-nitrophenyl)methylene]-
CAS No.:61661-21-0
Molecular Formula:C16H11NO4
Molecular Weight:281.268
Hs Code.:
DSSTox Substance ID:DTXSID60358771

Synonyms:3-[(4-nitrophenyl)methylidene]chromen-4-one;4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-nitrophenyl)methylene]-;61661-21-0;3-[(4-nitrophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one;DTXSID60358771;4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-nitrophenyl)methylene]-, (3E)-;AKOS030240978

Suppliers and Price of 4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-nitrophenyl)methylene]-

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

American Custom Chemicals Corporation
(3Z)-3-[(4-NITROPHENYL)METHYLIDENE]CHROMEN-4-ONE 95.00%
5MG
$ 502.34

Total 3 raw suppliers

Chemical Property of 4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-nitrophenyl)methylene]-

Chemical Property:

XLogP3:3.2
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:1
Exact Mass:281.06880783
Heavy Atom Count:21
Complexity:446

Purity/Quality:

99% ^*data from raw suppliers

(3Z)-3-[(4-NITROPHENYL)METHYLIDENE]CHROMEN-4-ONE 95.00% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1C(=CC2=CC=C(C=C2)[N+](=O)[O-])C(=O)C3=CC=CC=C3O1

Technology Process of 4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-nitrophenyl)methylene]-

There total 4 articles about 4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-nitrophenyl)methylene]- 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: 67.0%

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

: 555-16-8
4-nitrobenzaldehdye

: 61661-21-0
3-(4-nitro-benzylidene)-chroman-4-one

Guidance literature:: With phosphoric acid; at 80 ℃; for 6h;

Reference yield:

: 108-95-2,27073-41-2
phenol

: 61661-21-0
3-(4-nitro-benzylidene)-chroman-4-one

Guidance literature:: Multi-step reaction with 4 steps

1: Triton B / Heating

2: HCl, CH₃COOH

3: polyphosphoric acid

4: HCl / ethanol / 0 °C

With hydrogenchloride; PPA; acetic acid; N-benzyl-trimethylammonium hydroxide; In ethanol;

Reference yield:

: 7170-38-9
3-phenoxypropanoic acid

: 61661-21-0
3-(4-nitro-benzylidene)-chroman-4-one

Guidance literature:: Multi-step reaction with 2 steps

1: polyphosphoric acid

2: HCl / ethanol / 0 °C

With hydrogenchloride; PPA; In ethanol;