7-Benzyl-5,6,7,8-tetrahydropyrido-[3,4-d]pyrimidin-4(3H)-one hydrochloride

Base Information

• Chemical Name: 7-Benzyl-5,6,7,8-tetrahydropyrido-[3,4-d]pyrimidin-4(3H)-one hydrochloride
• CAS No.: 1053656-41-9
• Molecular Formula: C₁₄H₁₅N₃O
• Molecular Weight: 241.293
• Hs Code.: 2933990090
• Mol file: 1053656-41-9.mol

Synonyms:Pyrido[3,4-d]pyrimidin-4(4aH)-one, 5,6,7,8-tetrahydro-7-(phenylmethyl)-;

Chemical Property of 7-Benzyl-5,6,7,8-tetrahydropyrido-[3,4-d]pyrimidin-4(3H)-one hydrochloride

Chemical Property:

• Boiling Point: 376.5 °C at 760 mmHg
• PKA: 5.66±0.20(Predicted)
• Flash Point: 181.5 °C
• PSA: 45.03000
• Density: 1.27 g/cm³
• LogP: 0.32710
• Storage Temp.: 2-8°C

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 7-Benzyl-5,6,7,8-tetrahydropyrido-[3,4-d]pyrimidin-4(3H)-one hydrochloride

There total 2 articles about 7-Benzyl-5,6,7,8-tetrahydropyrido-[3,4-d]pyrimidin-4(3H)-one hydrochloride 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:

benzylamine (100-46-9) → 7-benzyl-4-carbonyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine (1053656-41-9)

Guidance literature:

Multi-step reaction with 4 steps

1: triethylamine / benzene / Reflux

2: potassium carbonate / acetonitrile / Reflux

3: sodium ethanolate / toluene / 5 h / Reflux

4: potassium hydride; acetic acid / methanol / 0.5 h / 20 °C

With sodium ethanolate; potassium hydride; potassium carbonate; acetic acid; triethylamine; In methanol; toluene; acetonitrile; benzene;

Reference yield:

ethyl 2-(benzylamino)acetate (6436-90-4) → 7-benzyl-4-carbonyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine (1053656-41-9)

Guidance literature:

Multi-step reaction with 3 steps

1: potassium carbonate / acetonitrile / Reflux

2: sodium ethanolate / toluene / 5 h / Reflux

3: potassium hydride; acetic acid / methanol / 0.5 h / 20 °C

With sodium ethanolate; potassium hydride; potassium carbonate; acetic acid; In methanol; toluene; acetonitrile;

Reference yield:

7-benzyl-4-carbonyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine (1053656-41-9) → 7-benzyl-4-methanesulfonyloxymethyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine

Guidance literature:

Multi-step reaction with 4 steps

1: trichlorophosphate / 5 h / Reflux

2: triphenylphosphine; ferrocene; carbon monoxide / ethanol / 100 °C / 7500.75 Torr / Autoclave

3: sodium tetrahydroborate / methanol / 2 h / -10 - 20 °C

4: tris-(hydroxymethyl)amine / dichloromethane / 2 h / -10 - 20 °C

With sodium tetrahydroborate; ferrocene; tris-(hydroxymethyl)amine; carbon monoxide; triphenylphosphine; trichlorophosphate; In methanol; ethanol; dichloromethane;

upstream raw materials:

benzylamine

ethyl 2-(benzylamino)acetate

Downstream raw materials:

7-benzyl-4-carboxy-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine

Refernces