1,2,3,4-Tetrahydropyrazino[1,2-a]indole

Base Information

• Chemical Name: 1,2,3,4-Tetrahydropyrazino[1,2-a]indole
• CAS No.: 41838-39-5
• Molecular Formula: C11H12N2
• Molecular Weight: 172.23
• Hs Code.: 2933990090
• UNII: 4U5URU4XP8
• ChEMBL ID: CHEMBL6393
• Nikkaji Number: J608.569E
• Mol file: 41838-39-5.mol

Synonyms:1,2,3,4-Tetrahydropyrazino(1,2-a)indole;THP-I cpd

Chemical Property of 1,2,3,4-Tetrahydropyrazino[1,2-a]indole

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Boiling Point: 354.938oC at 760 mmHg
• Flash Point: 168.461oC
• PSA: 16.96000
• Density: 1.234g/cm3
• LogP: 2.07330
• XLogP3: 1.1
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 172.100048391
• Heavy Atom Count: 13
• Complexity: 193

Purity/Quality:

97% ^*data from raw suppliers

1H,2H,3H,4H-Pyrazino[1,2-a]indole ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1CN2C(=CC3=CC=CC=C32)CN1

Technology Process of 1,2,3,4-Tetrahydropyrazino[1,2-a]indole

There total 10 articles about 1,2,3,4-Tetrahydropyrazino[1,2-a]indole 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: 100.0%

4-oxo-1,2,3,4-tetrahydropyrazino<1,2-a>indole (152193-85-6) → 1,2,3,4-tetrahydropyrazino<1,2-a>indole (41838-39-5)

Guidance literature:

With lithium aluminium tetrahydride; In tetrahydrofuran; at 0 - 60 ℃; for 4h;

Reference yield: 96.0%

8-bromo-3,4-dihydropyrazino[1,2-a]indol-1(2H)-one → 8-bromo-1,2,3,4-tetrahydropyrazino[1,2-a]indole (201809-32-7) + 1,2,3,4-tetrahydropyrazino<1,2-a>indole (41838-39-5)

Guidance literature:

With lithium aluminium tetrahydride; In tetrahydrofuran; at 0 - 20 ℃; Inert atmosphere;

DOI:10.1002/cmdc.202100707

Reference yield: 80.0%

1-(cyanomethyl)indole-2-carboxylic acid ethyl ester (126718-04-5) → 1,2,3,4-tetrahydropyrazino<1,2-a>indole (41838-39-5)

Guidance literature:

With lithium aluminium tetrahydride; In diethyl ether; Heating;

upstream raw materials:

1-(cyanomethyl)indole-2-carboxylic acid ethyl ester

2-carbethoxyindole

4-oxo-1,2,3,4-tetrahydropyrazino<1,2-a>indole

ethyl 5-bromoindolecarboxylate

Downstream raw materials:

benzyl 3,4-dihydropyrazino[1,2-a]indole-2(1H)-carboxylate

2-[5-bromo-3-(4-chlorobenzoyl)-4-(1,2,3,4-tetrahydro-1H-pyrazino[1,2-a]indol-2-ylmethyl)-thiophen-2-yl]-isoindole-1,3-dione

2-[3-(4-chlorobenzoyl)-4-(1,2,3,4-tetrahydro-1H-pyrazino[1,2-a]indol-2-ylmethyl)-thiophen-2-yl]-isoindole-1,3-dione

[2-amino-4-((1,2,3,4-tetrahydro-1H-pyrazino[1,2-a]indol-2-yl)methyl)-thiophen-3-yl]-(4-chlorophenyl)methanone

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