3,4-Diisopropoxy-3-cyclobutene-1,2-dione

Base Information

• Chemical Name: 3,4-Diisopropoxy-3-cyclobutene-1,2-dione
• CAS No.: 61699-62-5
• Molecular Formula: C10H14O4
• Molecular Weight: 198.219
• Hs Code.: 29145090
• Mol file: 61699-62-5.mol

Synonyms:3,4-Bis(1-methylethoxy)cyclobut-3-ene-1,2-dione;Diisopropyl squarate;3,4-Diisopropoxy-3-cyclobutene-1,2-dione;1,2-Diisopropoxycyclobutene-3,4-dione;

Chemical Property of 3,4-Diisopropoxy-3-cyclobutene-1,2-dione

Chemical Property:

• Appearance/Colour: beige powder
• Vapor Pressure: 1.38E-05mmHg at 25°C
• Melting Point: 43-45 °C
• Refractive Index: 1.472
• Boiling Point: 367.3 °C at 760 mmHg
• Flash Point: 138.2 °C
• PSA: 52.60000
• Density: 1.12 g/cm³
• LogP: 1.19980

Purity/Quality:

99% ^*data from raw suppliers

3,4-Diisopropoxy-3-cyclobutene-1,2-dione ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 36/37/38-42/43
• Safety Statements: 7-26-28-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 3,4-Diisopropoxy-3-cyclobutene-1,2-dione was used in the preparation of 1,1′-bis{3-(4-isopropoxy-3-cyclobutene-1,2-dioxo)}ferrocene and 3-isopropoxy-4-ferrocenyl-3-cyclobutene-1,2-dione.

Technology Process of 3,4-Diisopropoxy-3-cyclobutene-1,2-dione

There total 5 articles about 3,4-Diisopropoxy-3-cyclobutene-1,2-dione 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: 92.0%

isopropyl alcohol (67-63-0,8013-70-5) + squaric acid (2892-51-5) → diisopropyl squarate (61699-62-5)

Guidance literature:

In benzene; for 120h; Dean-Stark; Heating;

DOI:10.3987/COM-18-S(F)62

Reference yield: 81.0%

Triisopropoxymethan (4447-60-3) + isopropyl alcohol (67-63-0,8013-70-5) + squaric acid (2892-51-5) → diisopropyl squarate (61699-62-5)

Guidance literature:

for 23.5h; Heating;

DOI:10.1080/00397919708006826

Reference yield: 80.0%

poly-silver(I) squarate (71226-39-6) → diisopropyl squarate (61699-62-5)

Guidance literature:

In diethyl ether; 1) reflux, 2 h, 2) room temp., 18 h;

upstream raw materials:

isopropyl alcohol

squaric acid

Triisopropoxymethan

poly-silver(I) squarate

Downstream raw materials:

2,3-bis(1-methylethoxy)-4-hydroxy-4-(phenylethynyl)-cyclobut-2-en-1-one

3,4-dimethoxy-3-cyclobutene-1,2-dione

(3aS,6aS,7aS)-4-((1R,2R)-1,2-Dicyclohexyl-2-hydroxy-ethoxy)-3a-hydroxy-2,3-diisopropoxy-7a-methyl-3a,5,6,6a,7,7a-hexahydro-cyclopenta[a]pentalen-1-one

Refernces

• 1、 Yang, Lin,Zhu, Youqin,Wu, Jianglin,Hu, Bin,Pang, Zhenguo,Lu, Zhiyun,Zhao, Suling,Huang, Yan. "Squaraine dyes containing diphenylamine group: Effects of different type structures on material properties and organic photovoltaic performances". . . Retrieved 2019/08/12.
• 2、 Schaumann, Ernst,Oppermann, Gerrit,Stranberg, Michael,Moore, Harold W.. "New syntheses and ring expansion reactions of cyclobutenimines". scheme or table. p. 1656 - 1664. Retrieved 2011/09/16.