Tetramethyl 1,4,5,8-naphthalenetetracarboxylate

Base Information

• Chemical Name: Tetramethyl 1,4,5,8-naphthalenetetracarboxylate
• CAS No.: 31996-10-8
• Molecular Formula: C18H16O8
• Molecular Weight: 360.31
• Hs Code.: 2917399090
• Mol file: 31996-10-8.mol

Synonyms:1,4,5,8-Naphthalenetetracarboxylicacid, tetramethyl ester (6CI,7CI,8CI,9CI);Tetramethyl 1,4,5,8-naphthalenetetracarboxylate;

Chemical Property of Tetramethyl 1,4,5,8-naphthalenetetracarboxylate

Chemical Property:

• Vapor Pressure: 1.78E-10mmHg at 25°C
• Melting Point: 200-203 °C
• Refractive Index: 1.577
• Boiling Point: 508.9 °C at 760 mmHg
• Flash Point: 224.5 °C
• PSA: 105.20000
• Density: 1.309 g/cm³
• LogP: 1.98620

Purity/Quality:

98%Min ^*data from raw suppliers

TETRAMETHYL-1,4,5,8-NAPHTHALENETETRACARBOXYLATE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Tetramethyl 1,4,5,8-naphthalenetetracarboxylate

There total 6 articles about Tetramethyl 1,4,5,8-naphthalenetetracarboxylate 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: 77.0%

1,4,5,8-naphthalenetetracarboxylic dianhydride (81-30-1) + dimethyl sulfate (77-78-1) → tetramethyl 1,4,5,8-naphthalenetetracarboxylate (31996-10-8)

Guidance literature:

With potassium hydroxide; In methanol; dimethyl sulfoxide; for 0.5h; Ambient temperature;

DOI:10.1021/jo00345a024

Reference yield: 52.0%

naphthalene-1,4,5,8-tetracarboxylic acid (128-97-2) + dimethyl sulfate (77-78-1) → tetramethyl 1,4,5,8-naphthalenetetracarboxylate (31996-10-8)

Guidance literature:

With sodium carbonate; In water; at 40 ℃;

DOI:10.1016/S0040-4020(02)00397-6

Reference yield: 6.0%

methanol (67-56-1) + naphthalene-1,4,5,8-tetracarbonyl tetrachloride (37686-24-1) → tetramethyl 1,4,5,8-naphthalenetetracarboxylate (31996-10-8)

Guidance literature:

upstream raw materials:

1,4,5,8-naphthalenetetracarboxylic dianhydride

dimethyl sulfate

naphthalene-1,4,5,8-tetracarboxylic acid

methanol

Downstream raw materials:

tetraethyl 1,3,6,8-tetrahydropyrene-2,2,7,7-tetracarboxylate

Refernces

• 1、 Nam, Eun Hye,Park, Sang Eun,Oh, Joong Suk,Some, Surajit,Kim, Dae Young,Bae, Han Yong,Song, Choong Eui. "Self-association-free and recyclable, dimeric cinchona alkaloid organocatalysts for methanolytic desymmetrization of meso-glutaric anhydrides". . p. 3127 - 3129. Retrieved 2015/12/01.
• 2、 Strey, Karsten,Voes, Juergen. "EPR Studies on Carboxylic Esters. Part 15. Spin Density Distribution in the Radical Anions of Naphthalenecarboxylic Esters". . p. 648 - 682. Retrieved 2007/10/03.