(2-Ethylcrotonoyl)urea

Base Information

• Chemical Name: (2-Ethylcrotonoyl)urea
• CAS No.: 2884-67-5
• Molecular Formula: C₇H₁₂N₂O₂
• Molecular Weight: 156.184
• European Community (EC) Number: 227-794-3
• NSC Number: 169502,163913,69733,69731,11776
• UNII: 49876E91SE
• DSSTox Substance ID: DTXSID901031174
• Nikkaji Number: J48.927A,J60.492E
• Mol file: 2884-67-5.mol

Synonyms:Levanil;N-(aminocarbonyl)-2-ethyl-2-butenamide;Nastyn;Nostyn

Chemical Property of (2-Ethylcrotonoyl)urea

Chemical Property:

• Melting Point: 158°C
• Refractive Index: 1.4880 (estimate)
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 72.19000
• Density: 1.082g/cm³
• LogP: 1.62880
• XLogP3: 0.9
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 2
• Exact Mass: 156.089877630
• Heavy Atom Count: 11
• Complexity: 197

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Safety Statements: Moderately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes "> x." target="_blank">Moderately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC(=CC)C(=O)NC(=O)N
• Isomeric SMILES: CC/C(=C\C)/C(=O)NC(=O)N

Technology Process of (2-Ethylcrotonoyl)urea

There total 3 articles about (2-Ethylcrotonoyl)urea 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:

carbromal (77-65-6) → (2-Ethyl-trans-crotonyl)harnstoff (2884-67-5)

Guidance literature:

With pyridine;

Reference yield:

2-bromo-2-ethylbutyryl bromide (26074-53-3) → (2-Ethyl-trans-crotonyl)harnstoff (2884-67-5)

Guidance literature:

Multi-step reaction with 2 steps

2: Py / Heating

With pyridine;

Reference yield:

→ (2-Ethyl-trans-crotonyl)harnstoff (2884-67-5)

Guidance literature:

(α-Brom-α-ethyl-butyryl)-harnstoff;

upstream raw materials:

carbromal

2-bromo-2-ethylbutyryl bromide

Refernces

• 1、 SAIAS,PERRIER. "Separation of ethylenic cis and transisomers by paper chromatography. Application to the isomers of 2-ethylcrotonylurea.". . p. 681 - 682. Retrieved 2007/10/12.