5,6,7,8-TETRAHYDRO-PYRIDO[4,3-D]PYRIMIDINE HYDROCHLORIDE

Base Information

• Chemical Name: 5,6,7,8-TETRAHYDRO-PYRIDO[4,3-D]PYRIMIDINE HYDROCHLORIDE
• CAS No.: 210538-68-4
• Molecular Formula: C7H9N3.ClH
• Molecular Weight: 171.62700
• Hs Code.: 2933990090
• Mol file: 210538-68-4.mol

Synonyms:5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine hydrochloride;SC2801;5,6,7,8-Tetrahydropyridino[4,3-d]pyrimidine Hydrochloride;5,6,7,8-TETRAHYDROPYRIDO[4,3-D]PYRIMIDINE HCL;

Chemical Property of 5,6,7,8-TETRAHYDRO-PYRIDO[4,3-D]PYRIMIDINE HYDROCHLORIDE

Chemical Property:

• PSA: 37.81000
• LogP: 1.25310
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

99%, ^*data from raw suppliers

5,6,7,8-Tetrahydropyrido[4,3-d]pyrimidineHydrochloride ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5,6,7,8-TETRAHYDRO-PYRIDO[4,3-D]PYRIMIDINE HYDROCHLORIDE

There total 3 articles about 5,6,7,8-TETRAHYDRO-PYRIDO[4,3-D]PYRIMIDINE 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: 81.0%

→ 5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine hydrochloride (157327-49-6,210538-68-4)

Guidance literature:

Reference yield: 20.0%

t-butyl-3-[(dimethylamino)methylidene]-4-oxopiperidine-1-carboxylate (157327-41-8,1202645-17-7) + formamidine acetic acid (3473-63-0) → 5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine dihydrochloride (157327-49-6,210538-68-4)

Guidance literature:

t-butyl-3-[(dimethylamino)methylidene]-4-oxopiperidine-1-carboxylate; formamidine acetic acid; In ethanol; for 36h; Heating;

In trifluoroacetic acid; at 20 ℃; for 1h;

With hydrogenchloride; In isopropyl alcohol;

DOI:10.3987/COM-01-S(K)25

Reference yield:

N-tert-butyloxycarbonylpiperidin-4-one (79099-07-3) → 5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine dihydrochloride (157327-49-6,210538-68-4)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 71 percent / 1 h / Heating

2.1: ethanol / 36 h / Heating

2.2: trifluoroacetic acid / 1 h / 20 °C

2.3: 20 percent / conc. HCl / propan-2-ol

In ethanol;

DOI:10.3987/COM-01-S(K)25

upstream raw materials:

t-butyl-3-[(dimethylamino)methylidene]-4-oxopiperidine-1-carboxylate

formamidine acetic acid

N-tert-butyloxycarbonylpiperidin-4-one

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