4,5-dibromo-1H-pyrrole-2-carbohydrazide

Base Information

• Chemical Name: 4,5-dibromo-1H-pyrrole-2-carbohydrazide
• CAS No.: 50371-65-8
• Molecular Formula: C5H5 Br2 N3 O
• Molecular Weight: 282.92
• Hs Code.: 2933990090
• DSSTox Substance ID: DTXSID30376907
• Wikidata: Q82165825
• Mol file: 50371-65-8.mol

Synonyms:4,5-dibromo-1H-pyrrole-2-carbohydrazide;50371-65-8;SCHEMBL11607921;DTXSID30376907;MFCD06200908;AKOS005069337;SB63032;CS-0267941;FT-0679971;EN300-1272551;A913375;10X-0703;J-514071

Chemical Property of 4,5-dibromo-1H-pyrrole-2-carbohydrazide

Chemical Property:

• Melting Point: 209-211°C
• PSA: 70.91000
• Density: 2.216g/cm³
• LogP: 2.23440
• XLogP3: 1.3
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 282.87789
• Heavy Atom Count: 11
• Complexity: 166

Purity/Quality:

97% ^*data from raw suppliers

4,5-Dibromo-1H-pyrrole-2-carbohydrazide ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(NC(=C1Br)Br)C(=O)NN

Technology Process of 4,5-dibromo-1H-pyrrole-2-carbohydrazide

There total 3 articles about 4,5-dibromo-1H-pyrrole-2-carbohydrazide 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:

4,5-dibromopyrrol-2-yl trichloromethyl ketone (50371-52-3) → 4,5-dibromo-1H-pyrrole-2-carbohydrazide (50371-65-8)

Guidance literature:

With hydrazine hydrate; In N-methyl-acetamide; water;

Reference yield:

pyrrol-2-yl trichloromethyl ketone (35302-72-8) → 4,5-dibromo-1H-pyrrole-2-carbohydrazide (50371-65-8)

Guidance literature:

Multi-step reaction with 2 steps

1: bromine / chloroform / 2 h / 0 - 20 °C / Inert atmosphere; Molecular sieve

2: hydrazine hydrate / ethanol / 1 h / 20 °C / Inert atmosphere; Molecular sieve

With bromine; hydrazine hydrate; In ethanol; chloroform;

DOI:10.1016/j.bmcl.2012.08.061

Reference yield:

→ 4,5-dibromo-1H-pyrrole-2-carbohydrazide (50371-65-8)

Guidance literature:

wie (18), Hydrazin;

DOI:10.1021/jm00269a019

upstream raw materials:

4,5-dibromopyrrol-2-yl trichloromethyl ketone

pyrrol-2-yl trichloromethyl ketone

Downstream raw materials:

C₁₂H₇Br₂N₃O₂

C₁₃H₉Br₂N₃O

C₁₂H₈Br₂N₄O

C₁₂H₆Br₂ClN₃O

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 50371-65-8 4,5-DIBROMO-1H-PYRROLE-2-CARBOHYDRAZIDE

Send

Send

Metric Ton KG G Pound L ML

Send

Send