4-OXO-2-PIPERIDIN-1-YL-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBALDEHYDE

Base Information

• Chemical Name: 4-OXO-2-PIPERIDIN-1-YL-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBALDEHYDE
• CAS No.: 33345-96-9
• Molecular Formula: C₁₄H₁₅N₃O₂
• Molecular Weight: 257.292
• Hs Code.: 2933990090
• Mol file: 33345-96-9.mol

Synonyms:4-oxo-2-piperidin-1-yl-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde(SALTDATA: FREE)

Chemical Property of 4-OXO-2-PIPERIDIN-1-YL-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBALDEHYDE

Chemical Property:

• Vapor Pressure: 9.12E-07mmHg at 25°C
• Boiling Point: 404.9°Cat760mmHg
• PKA: 1.37±0.20(Predicted)
• Flash Point: 198.7°C
• PSA: 54.68000
• Density: 1.33g/cm³
• LogP: 1.56230

Purity/Quality:

99% ^*data from raw suppliers

4-Oxo-2-(piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-OXO-2-PIPERIDIN-1-YL-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBALDEHYDE

There total 4 articles about 4-OXO-2-PIPERIDIN-1-YL-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBALDEHYDE 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: 89.0%

2-(1-piperidinil)-4H-pirido<1,2-a>pirimidin-4-one (109274-73-9) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 3-formyl-2-piperidino-4H-pyrido<1,2-a>pyrimidin-4-one (33345-96-9)

Guidance literature:

With trichlorophosphate; at 25 ℃; for 1h;

DOI:10.1002/jhet.5570230507

Reference yield:

piperidine (110-89-4) → 3-formyl-2-piperidino-4H-pyrido<1,2-a>pyrimidin-4-one (33345-96-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 81 percent / dioxane / 0.33 h / Heating

2: 89 percent / phosphoryl chloride / 1 h / 25 °C

With trichlorophosphate; In 1,4-dioxane;

DOI:10.1002/jhet.5570230507

Reference yield:

2-chloro-4H-pyrido[1,2-a]pyrimidin-4-one (5418-94-0) → 3-formyl-2-piperidino-4H-pyrido<1,2-a>pyrimidin-4-one (33345-96-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 81 percent / dioxane / 0.33 h / Heating

2: 89 percent / phosphoryl chloride / 1 h / 25 °C

With trichlorophosphate; In 1,4-dioxane;

DOI:10.1002/jhet.5570230507

upstream raw materials:

2-(1-piperidinil)-4H-pirido<1,2-a>pirimidin-4-one

N,N-dimethyl-formamide

piperidine

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

Downstream raw materials:

3-[(2-oxo-oxazolidin-3-ylimino)-methyl]-2-piperidin-1-yl-6,7,8,9-tetrahydro-pyrido[1,2-a]pyrimidin-4-one

3-[(2-oxo-oxazolidin-3-ylimino)-methyl]-2-piperidin-1-yl-pyrido[1,2-a]pyrimidin-4-one

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