DIBENZO-15-CROWN-5

Base Information

• Chemical Name: DIBENZO-15-CROWN-5
• CAS No.: 14262-60-3
• Molecular Formula: C18H20O5
• Molecular Weight: 316.3484
• Hs Code.: 2932999099
• Mol file: 14262-60-3.mol

Synonyms:Dibenzo-15-crown-5;NSC 649284;Dibenzo[b,h][1,4,7,10,13]pentaoxacyclopentadecin,6,7,9,10,17,18-hexahydro-;

Chemical Property of DIBENZO-15-CROWN-5

Chemical Property:

• Appearance/Colour: white to slightly yellow shiny powder
• Vapor Pressure: 6.46E-08mmHg at 25°C
• Melting Point: 104-108 °C
• Refractive Index: 1.516
• Boiling Point: 451.5 °C at 760 mmHg
• Flash Point: 186.7 °C
• PSA: 46.15000
• Density: 1.126 g/cm³
• LogP: 2.93220
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

98%,99%, ^*data from raw suppliers

Dibenzo-15-crown-5 ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of DIBENZO-15-CROWN-5

There total 7 articles about DIBENZO-15-CROWN-5 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: 66.0%

1,2-bis(o-hydroxyphenoxy)ethane (20115-81-5) + 3-oxa-1,5-dichloropentane (111-44-4) → dibenzo-15-crown-5 (14262-60-3)

Guidance literature:

With potassium hydroxide; In dimethyl sulfoxide; at 90 ℃; for 2.5h;

Reference yield: 60.0%

diethylene glycol dimesylate (34604-52-9) + 1,2-bis(o-hydroxyphenoxy)ethane (20115-81-5) → dibenzo-15-crown-5 (14262-60-3)

Guidance literature:

1,2-bis(o-hydroxyphenoxy)ethane; With caesium carbonate; In acetonitrile; for 3h; Reflux; Inert atmosphere;

diethylene glycol dimesylate; In acetonitrile; Inert atmosphere; Reflux;

DOI:10.3998/ark.5550190.0011.718

Reference yield: 57.0%

bis(2-hydroxyphenoxyethyl)ether (23116-94-1) + 1,2-bis(methanesulfonyloxy)ethane (4672-49-5) → dibenzo-15-crown-5 (14262-60-3)

Guidance literature:

bis(2-hydroxyphenoxyethyl)ether; With caesium carbonate; In acetonitrile; for 3h; Reflux; Inert atmosphere;

1,2-bis(methanesulfonyloxy)ethane; In acetonitrile; Inert atmosphere; Reflux;

DOI:10.3998/ark.5550190.0011.718

upstream raw materials:

bis(2-hydroxyphenoxyethyl)ether

ethylene dibromide

1,2-bis(o-hydroxyphenoxy)ethane

3-oxa-1,5-dichloropentane