2-methyl-1,2-dihydroisoquinoline

Base Information

• Chemical Name: 2-methyl-1,2-dihydroisoquinoline
• CAS No.: 14990-40-0
• Molecular Formula: C10H11 N
• Molecular Weight: 145.201

Synonyms:1,2-Dihydro-2-methylisoquinoline;2-Methyl-1,2-dihydroisoquinoline; NSC 155459

Chemical Property of 2-methyl-1,2-dihydroisoquinoline

Chemical Property:

• Vapor Pressure: 0.0141mmHg at 25°C
• Boiling Point: 258°Cat760mmHg
• Flash Point: 100.4°C
• Density: 1.032g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-methyl-1,2-dihydroisoquinoline

There total 7 articles about 2-methyl-1,2-dihydroisoquinoline 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: 53.0%

2-methylisoquinolinium iodide (3947-77-1) → N-methyl-1,2,3,4-tetrahydroisoquinoline (14990-40-0)

Guidance literature:

With lithium triethylborohydride; In tetrahydrofuran; at -25 - 25 ℃; Inert atmosphere;

DOI:10.1007/s11172-010-0362-2

Reference yield:

isoquinoline (119-65-3) → N-methyl-1,2,3,4-tetrahydroisoquinoline (14990-40-0)

Guidance literature:

With diethyl ether; ammonia; sodium; Beh_. des Rktgem_. mit Methylbromid u. Ammoniumchlorid;

Reference yield:

N-methylisoquinolinium (33718-23-9) → N-methyl-1,2,3,4-tetrahydroisoquinoline (14990-40-0) + 2-methyl-1,2,3,4-tetrahydroisoquinoline (1612-65-3)

Guidance literature:

With lithium aluminium tetrahydride; Yield given. Yields of byproduct given;

DOI:10.1016/S0040-4020(01)91394-8

upstream raw materials:

isoquinoline

2-methylisoquinolinium iodide

1-propyl-1,4-dihydronicotinamide

N-methylisoquinolinium

Downstream raw materials:

(3aS,4S,9bS)-4-Methyl-1,3-diphenyl-3a,4,5,9b-tetrahydro-3H-pyrazolo[3,4-c]isoquinoline

(3aS,4S,9bS)-4-Methyl-3-phenyl-1-p-tolyl-3a,4,5,9b-tetrahydro-3H-pyrazolo[3,4-c]isoquinoline

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