1,2-DIMETHYLPHENANTHRENE

Base Information

• Chemical Name: 1,2-DIMETHYLPHENANTHRENE
• CAS No.: 20291-72-9
• Molecular Formula: C16H14
• Molecular Weight: 206.287
• Hs Code.: 2902909090
• Mol file: 20291-72-9.mol

Synonyms:1,2-Dimethylphenanthrene

Chemical Property of 1,2-DIMETHYLPHENANTHRENE

Chemical Property:

• Vapor Pressure: 1.85E-05mmHg at 25°C
• Melting Point: 142-143 °C
• Boiling Point: 374°Cat760mmHg
• Flash Point: 170.9°C
• PSA: 0.00000
• Density: 1.084g/cm³
• LogP: 4.60980

Purity/Quality:

98.5% ^*data from raw suppliers

1,2-DIMETHYLPHENANTHRENE 98.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 1,2-Dimethylphenanthrene is a biodegrdation product of alkylphenanthrenes.

Technology Process of 1,2-DIMETHYLPHENANTHRENE

There total 25 articles about 1,2-DIMETHYLPHENANTHRENE 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: 87.0%

1-iodo-2,3-dimethylbenzene (31599-60-7) + bicyclo[2.2.1]hepta-2,5-diene (121-46-0) + 2-bromobenzoic acid chloride (7154-66-7) → 1,2-dimethylphenanthrene (20291-72-9)

Guidance literature:

With palladium diacetate; caesium carbonate; triphenylphosphine; In N,N-dimethyl-formamide; at 105 ℃; for 10h; Inert atmosphere;

DOI:10.3762/bjoc.15.26

Reference yield: 70.0%

2-(2-bromonaphthalen-1-yl)-4,5-dimethyl-3,6-dihydro-2H-pyran (1241978-46-0) → 1,2-dimethylphenanthrene (20291-72-9)

Guidance literature:

With tetrabutyl-ammonium chloride; palladium diacetate; caesium carbonate; triphenylphosphine; In N,N-dimethyl-formamide; at 85 - 90 ℃; Inert atmosphere;

DOI:10.1055/s-0029-1218726

Reference yield: 53.0%

1,2-dimethylphenanthren-4-amine → 1,2-dimethylphenanthrene (20291-72-9)

Guidance literature:

With hypophosphorous acid; sodium nitrite; In water; at 5 ℃; for 48h;

DOI:10.1016/S0040-4020(03)00884-6

upstream raw materials:

1,2,3,4-tetrahydro-1,1-dimethylphenanthrene

3,4-dimethyl-phenanthrene-1,2-dicarboxylic acid-anhydride

2,2-dimethyl-1,2,3,4-tetrahydrophenanthrene

1,2-dimethyl-3,4-dihydrophenanthrene

Refernces

• 1、 Butenandt,Weidlich,Thompson. "-". . p. 601,602. Retrieved 1933.
• 2、 Zhong, Yue,Wu, Wen-Yu,Yu, Shao-Peng,Fan, Tian-Yuan,Yu, Hai-Tao,Li, Nian-Guang,Shi, Zhi-Hao,Tang, Yu-Ping,Duan, Jin-Ao. "A novel and efficient synthesis of phenanthrene derivatives via palladium/norbornadiene-catalyzed domino one-pot reaction". supporting information. p. 291 - 298. Retrieved 2019/02/20.
• 3、 Krasodomski, Wojciech,?uczyński, Micha? K.,Wilamowski, Jaros?aw,Sepio?, Janusz J.. "Synthesis of alkylphenanthrenes from naphthylalkylidenemalonodinitriles. A route to 1-methyl-, 2-methyl-, and 1,2-dimethylphenanthrene". . p. 5677 - 5683. Retrieved 2007/10/03.