3,6-Dimethoxyphthalic anhydride

Base Information

• Chemical Name: 3,6-Dimethoxyphthalic anhydride
• CAS No.: 14597-12-7
• Molecular Formula: C10H8O5
• Molecular Weight: 208.171
• DSSTox Substance ID: DTXSID70372908
• Wikidata: Q82160876
• Mol file: 14597-12-7.mol

Synonyms:3,6-Dimethoxyphthalic anhydride;14597-12-7;4,7-dimethoxy-2-benzofuran-1,3-dione;SCHEMBL8996379;3,6-dimethyoxyphthalic anhydride;DTXSID70372908;LRJYRDODMNDLFR-UHFFFAOYSA-N;AKOS004907306;FT-0737602

Chemical Property of 3,6-Dimethoxyphthalic anhydride

Chemical Property:

• Melting Point: 259-261 °C
• Boiling Point: 403.9±35.0 °C(Predicted)
• PSA: 61.83000
• Density: 1.382±0.06 g/cm3(Predicted)
• LogP: 1.01440
• XLogP3: 1.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 2
• Exact Mass: 208.03717335
• Heavy Atom Count: 15
• Complexity: 260

Purity/Quality:

97% ^*data from raw suppliers

3,6-DIMETHOXYPHTHALIC ANHYDRIDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=C2C(=C(C=C1)OC)C(=O)OC2=O

Technology Process of 3,6-Dimethoxyphthalic anhydride

There total 18 articles about 3,6-Dimethoxyphthalic anhydride 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: 84.0%

1,4-dimethoxy-2,3-dicyanobenzene (40904-87-8) → 3,6-dimethoxyphthalic anhydride (14597-12-7)

Guidance literature:

With sulfuric acid; for 1h; Heating;

DOI:10.1021/jm00171a048

Reference yield: 64.0%

1,4,5,8-tetramethoxyfluoren-9-one (63579-40-8) → 3,6-dimethoxyphthalic anhydride (14597-12-7)

Guidance literature:

With ammonium cerium (IV) nitrate; In water; acetonitrile; at 20 ℃; for 4h; Temperature;

DOI:10.1007/s11164-014-1882-4

Reference yield:

3,6-dimethoxyphthalic acid (64019-77-8) → 3,6-dimethoxyphthalic anhydride (14597-12-7)

Guidance literature:

With water;

upstream raw materials:

diazomethane

hydroquinone-2,3-dicarboxylic anhydride

3,6-dihydroxyphthalic acid

3,6-dimethoxyphthalic acid

Downstream raw materials:

3-[(Ξ)-benzylidene-4,7-dimethoxy-phthalide

3,6-dimethoxy-2-(2-methoxy-5-methyl-benzoyl)-benzoic acid

3,6-dimethoxy-2-(4-methoxy-3-methyl-benzoyl)-benzoic acid

cynodontin

Refernces

• 1、 -. "Pharmaceutical compounds". . . Retrieved 2008/06/13.
• 2、 Krapcho, Paul A.,Petry, Mary E.,Hacker, Miles P.. "Heterosubstituted Anthracene-9,10-dione Analogues. The Synthesis and Antitumor Evaluation of 5,8-Bisnaphthothiophene-4,9-diones". . p. 2651 - 2655. Retrieved 2007/10/02.