3-[1-(2-phenylhydrazino)ethylidene]-2H-chromene-2,4(3H)-dione

Base Information

Chemical Name:3-[1-(2-phenylhydrazino)ethylidene]-2H-chromene-2,4(3H)-dione
CAS No.:2587-10-2
Molecular Formula:C17H14 N2 O3
Molecular Weight:294.3047
Hs Code.:
Mol file:2587-10-2.mol

Synonyms:2H-1-Benzopyran-2-one,4-hydroxy-3-[1-(phenylhydrazono)ethyl]- (9CI); Coumarin, 3-acetyl-4-hydroxy-,3-(phenylhydrazone) (7CI); Coumarin, 3-acetyl-4-hydroxy-, phenylhydrazone (6CI)

Suppliers and Price of 3-[1-(2-phenylhydrazino)ethylidene]-2H-chromene-2,4(3H)-dione

Supply Marketing:

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

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Chemical Property of 3-[1-(2-phenylhydrazino)ethylidene]-2H-chromene-2,4(3H)-dione

Chemical Property:

Vapor Pressure:2.18E-06mmHg at 25°C
Boiling Point:393.1°Cat760mmHg
Flash Point:191.6°C
Density:1.347g/cm³

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 3-[1-(2-phenylhydrazino)ethylidene]-2H-chromene-2,4(3H)-dione

There total 4 articles about 3-[1-(2-phenylhydrazino)ethylidene]-2H-chromene-2,4(3H)-dione 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: 97.0%

: 2555-37-5
3-acetyl-4-hydroxychromen-2-one

: 100-63-0
phenylhydrazine

: 2587-10-2
4-hydroxy-3-(N-(2-phenylamino)ethanimidoyl)-2H-chromen-2-one

Guidance literature:: In acetic acid; for 2h;

Reference yield:

: 2555-37-5
3-acetyl-4-hydroxychromen-2-one

: 59-88-1
phenylhydrazine hydrochloride

: 2587-10-2
4-hydroxy-3-(N-(2-phenylamino)ethanimidoyl)-2H-chromen-2-one

Guidance literature:: In ethanol; Heating;
DOI:10.1021/jm00396a001

Reference yield:

: 1076-38-6,92395-12-5
4-hydroxy[1]benzopyran-2-one

: 2587-10-2
4-hydroxy-3-(N-(2-phenylamino)ethanimidoyl)-2H-chromen-2-one

Guidance literature:: Multi-step reaction with 2 steps

1: 62 percent / piperidine / pyridine / 48 h / 20 °C

2: 97 percent / acetic acid / 2 h

With piperidine; In pyridine; acetic acid;