1-Benzofuran-2-carbohydrazide, 2-(Hydrazinocarbonyl)-1-benzofuran, 2-(Hydrazinocarbonyl)benzo[b]furan

Base Information

• Chemical Name: 1-Benzofuran-2-carbohydrazide, 2-(Hydrazinocarbonyl)-1-benzofuran, 2-(Hydrazinocarbonyl)benzo[b]furan
• CAS No.: 42974-19-6
• Molecular Formula: C9H8N2O2
• Molecular Weight: 176.175
• Hs Code.: 2932990090
• Mol file: 42974-19-6.mol

Synonyms:7-<2-Thienyl>-benzanthracen;2-benzofuroyl hydrazine;Benzofuran-2-carbonsaeure-hydrazid;benzofuran-2-carbohydrazide;benzofuran-2-carboxylic acid hydrazide;benzofuran-2-carboxyhydrazide;

Chemical Property of 1-Benzofuran-2-carbohydrazide, 2-(Hydrazinocarbonyl)-1-benzofuran, 2-(Hydrazinocarbonyl)benzo[b]furan

Chemical Property:

• Melting Point: 190-194 °C
• PKA: 12.27±0.30(Predicted)
• PSA: 71.75000
• Density: 1.316±0.06 g/cm3(Predicted)
• LogP: 2.31140

Purity/Quality:

95% ^*data from raw suppliers

Benzo[b]furan-2-carbohydrazide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: benzofuran-2-carbohydrazide is a small molecule compound used in organic synthesis.

Technology Process of 1-Benzofuran-2-carbohydrazide, 2-(Hydrazinocarbonyl)-1-benzofuran, 2-(Hydrazinocarbonyl)benzo[b]furan

There total 6 articles about 1-Benzofuran-2-carbohydrazide, 2-(Hydrazinocarbonyl)-1-benzofuran, 2-(Hydrazinocarbonyl)benzo[b]furan 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: 87.0%

ethyl coumarilate (3199-61-9) → benzo[b]furan-2-carbohydrazide (42974-19-6)

Guidance literature:

With hydrazine hydrate; In methanol; at 0 ℃;

DOI:10.1002/jhet.3674

Reference yield: 80.0%

methyl benzofuran-2-carboxylate (1646-27-1) → benzo[b]furan-2-carbohydrazide (42974-19-6)

Guidance literature:

With hydrazine hydrate; In ethanol; for 18h; Reflux;

DOI:10.1002/cmdc.201900716

Reference yield:

2-benzofuroyl chloride (41717-28-6) → benzo[b]furan-2-carbohydrazide (42974-19-6)

Guidance literature:

Multi-step reaction with 2 steps

1: dichloromethane / 1 h

2: hydrazine hydrate / ethanol / 3 h / Reflux

With hydrazine hydrate; In ethanol; dichloromethane;

DOI:10.1021/acs.jmedchem.6b01385

upstream raw materials:

ethyl coumarilate

salicylaldehyde

Benzofuran-2-carboxylic acid

2-benzofuroyl chloride

Downstream raw materials:

4-(4-ethoxy-phenyl)-1-(benzofuran-2-carbonyl)-thiosemicarbazide

C₁₆H₁₄N₂O₄S

benzofuro-2-carboxy-(4'-chlorophenyl)thiosemicarbazide

2-(benzofuran-2-carboxamidylamino)methylphenol

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