2-Hydrazinyl-4h-pyrido[1,2-a]pyrimidin-4-one

Base Information

• Chemical Name: 2-Hydrazinyl-4h-pyrido[1,2-a]pyrimidin-4-one
• CAS No.: 55395-30-7
• Molecular Formula: C8H8N4O
• Molecular Weight: 176.1753
• NSC Number: 109133
• DSSTox Substance ID: DTXSID00970739
• Wikidata: Q82953989
• Mol file: 55395-30-7.mol

Synonyms:55395-30-7;2-hydrazinyl-4h-pyrido[1,2-a]pyrimidin-4-one;NSC109133;DTXSID00970739;NSC-109133

Chemical Property of 2-Hydrazinyl-4h-pyrido[1,2-a]pyrimidin-4-one

Chemical Property:

• Vapor Pressure: 4.44E-06mmHg at 25°C
• Boiling Point: 383.3°C at 760 mmHg
• Flash Point: 185.6°C
• Density: 1.48g/cm³
• XLogP3: -0.4
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 176.06981089
• Heavy Atom Count: 13
• Complexity: 364

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=NC(=CC(=O)N2C=C1)NN

Technology Process of 2-Hydrazinyl-4h-pyrido[1,2-a]pyrimidin-4-one

There total 3 articles about 2-Hydrazinyl-4h-pyrido[1,2-a]pyrimidin-4-one 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: 69.0%

2-chloro-4H-pyrido[1,2-a]pyrimidin-4-one (5418-94-0) → 2-hydrazinyl-4H-pyrido[1,2-a]pyrimidin-4-one (55395-30-7)

Guidance literature:

With hydrazine hydrate; In N,N-dimethyl-formamide; for 1h; Reflux;

DOI:10.2298/JSC1001011A

Reference yield:

2H,3H,4H-pyrido[1,2-a]pyrimidine-2,4-dione (22288-66-0) → 2-hydrazinyl-4H-pyrido[1,2-a]pyrimidin-4-one (55395-30-7)

Guidance literature:

Multi-step reaction with 2 steps

1: POCl₃

2: N₂H₄+H₂O

With hydrazine hydrate; trichlorophosphate;

DOI:10.1039/jr9580000209

Reference yield:

→ 2-hydrazinyl-4H-pyrido[1,2-a]pyrimidin-4-one (55395-30-7)

Guidance literature:

2-Chlor-4-oxo-4H-pyrido<1,2-a>pyrimidin, Hydrazin, sd. Bzl.;

upstream raw materials:

2-chloro-4H-pyrido[1,2-a]pyrimidin-4-one

2H,3H,4H-pyrido[1,2-a]pyrimidine-2,4-dione