6,7-dimethoxy-1,4-dihydro-3(2H)-isoquinolinone(SALTDATA: FREE)

Base Information

• Chemical Name: 6,7-dimethoxy-1,4-dihydro-3(2H)-isoquinolinone(SALTDATA: FREE)
• CAS No.: 21763-07-5
• Molecular Formula: C11H13NO3
• Molecular Weight: 207.2258
• Hs Code.: 2933790090
• Mol file: 21763-07-5.mol

Synonyms:1,4-dihydro-6,7-dimethoxy-3(2H)-isoquinolinone;6,7-dimethoxy-1,4-dihydro-2H-isoquinolin-3-one;6,7-dimethoxy-1,2,3,4-tetrahydro-3-isoquinolone;6,7-Dimethoxy-1,4-dihydro-2H-isoquinoline-3-one;6,7-dimethoxy-1,4-dihydro-3(2H)-isoquinolinone;1,4-dihydro-6,7-dimethoxy-3(2H)isoquinolone;

Chemical Property of 6,7-dimethoxy-1,4-dihydro-3(2H)-isoquinolinone(SALTDATA: FREE)

Chemical Property:

• Vapor Pressure: 1.4E-07mmHg at 25°C
• Melting Point: 200-202 °C
• Boiling Point: 429.5°Cat760mmHg
• PKA: 14.83±0.20(Predicted)
• Flash Point: 213.5°C
• PSA: 47.56000
• Density: 1.172g/cm³
• LogP: 1.20490

Purity/Quality:

97% ^*data from raw suppliers

6,7-dimethoxy-1,4-dihydro-3(2H)-isoquinolinone ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 6,7-dimethoxy-1,4-dihydro-3(2H)-isoquinolinone(SALTDATA: FREE)

There total 12 articles about 6,7-dimethoxy-1,4-dihydro-3(2H)-isoquinolinone(SALTDATA: FREE) 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: 90.0%

2-Methoxy-5-nitrobenzyl (4,5-dimethoxy-2-{[(phenylacetyl)amino]methyl}phenyl)acetate → 6,7-Dimethoxy-1,4-dihydro-2H-isoquinoline-3-one (21763-07-5) + 2-methoxy-5-nitrophenylmethanol (5804-49-9)

Guidance literature:

With sodium phosphate buffer; penicillin G acylase (EC 3.5.1.11) immobilized on Eupergit C; 2,6-di-O-methyl-β-cyclodextrin; In acetone; at 37 ℃; for 48h; pH=7.0;

DOI:10.1002/1521-3765(20010302)7:5<959::AID-CHEM959>3.0.CO;2-K

Reference yield: 80.0%

4,5-dimethoxy-2-aminomethylphenylacetic acid bisamide (78222-23-8) → 6,7-Dimethoxy-1,4-dihydro-2H-isoquinoline-3-one (21763-07-5)

Guidance literature:

at 300 - 306 ℃; under 20 Torr;

Reference yield: 72.0%

hexamethylenetetramine (100-97-0) + 2-(3,4-dimethoxyphenyl)acetamide (5663-56-9) → 6,7-Dimethoxy-1,4-dihydro-2H-isoquinoline-3-one (21763-07-5)

Guidance literature:

In acetic acid; trifluoroacetic acid; for 1h; Heating;

upstream raw materials:

formaldehyd

3,4-dimethoxyphenylacetonitrile

6,7-dimethoxy-3,4-dihydro-1H-2-benzopyran-3-one

ethyl 2-(bromomethyl)-4,5-dimethoxyphenylacetate

Downstream raw materials:

2-(3',4'-Dimethoxy-β-phenethyl)-6,7-dimethoxy-1,2,3,4-tetrahydro-3-isoquinolone

3-oxo-4-dimethylaminomethylene-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline

4-[1-Dimethylamino-meth-(Z)-ylidene]-6,7-dimethoxy-1,4-dihydro-2H-isoquinolin-3-one

2,3,10,11-tetramethoxy-5,6,7,8,13,13a-hexahydroisoquinolino[3,2-a]isoquinoline