3,5-Dimethoxyphthalic anhydride

Base Information Edit

Chemical Name:3,5-Dimethoxyphthalic anhydride
CAS No.:4670-17-1
Molecular Formula:C10H8 O5
Molecular Weight:208.16800
Hs Code.:
DSSTox Substance ID:DTXSID40393463
Wikidata:Q72468426
Mol file:4670-17-1.mol

Synonyms:3,5-dimethoxyphthalic anhydride;4670-17-1;4,6-dimethoxy-2-benzofuran-1,3-dione;3,5-dimethoxy-phthalic anhydride;4,6-dimethoxyisobenzofuran-1,3-dione;SCHEMBL21526732;DTXSID40393463;AKOS000276893;C15828;4,6-dimethoxy-1,3-dihydro-2-benzofuran-1,3-dione

Suppliers and Price of 3,5-Dimethoxyphthalic anhydride

Supply Marketing:Edit

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

American Custom Chemicals Corporation
3,5-DIMETHOXYPHTHALIC ANHYDRIDE 95.00%
5MG
$ 500.04

Total 4 raw suppliers

Chemical Property of 3,5-Dimethoxyphthalic anhydride Edit

Chemical Property:

Vapor Pressure:9.84E-07mmHg at 25°C
Boiling Point:403.9oC at 760 mmHg
Flash Point:184.9oC
PSA：61.83000
Density:1.382
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:288

Purity/Quality:

99% ^*data from raw suppliers

3,5-DIMETHOXYPHTHALIC ANHYDRIDE 95.00% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:COC1=CC2=C(C(=C1)OC)C(=O)OC2=O

Technology Process of 3,5-Dimethoxyphthalic anhydride

There total 8 articles about 3,5-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: 91.2%

: 13133-05-6
3,5-dimethoxyphthalic acid

: 4670-17-1
3,5-dimethoxyphthalic anhydride

Guidance literature:: With acetic anhydride; at 2 ℃; Reflux;

Reference yield:

: 58545-97-4
4,6-dimethoxy-phthalide

: 4670-17-1
3,5-dimethoxyphthalic anhydride

Guidance literature:: Multi-step reaction with 2 steps

2: phosphorus trichloride

With phosphorus trichloride;

Reference yield:

: 76697-63-7
4,6-Dimethoxyphthalid-3-carbonsaeure

: 4670-17-1
3,5-dimethoxyphthalic anhydride

Guidance literature:: Multi-step reaction with 3 steps

1: phthalic acid dimethyl ester / methanol / 0.33 h / 180 - 185 °C

2: sodium hydroxide; potassium permanganate / 24 h / 20 °C

3: acetic anhydride / 2 h / 140 °C

With potassium permanganate; phthalic acid dimethyl ester; acetic anhydride; sodium hydroxide; In methanol;
DOI:10.1016/j.bmc.2017.04.027