5,6-dibromo-1,3-dioxepane

Base Information

• Chemical Name: 5,6-dibromo-1,3-dioxepane
• CAS No.: 20262-34-4
• Molecular Formula: C5H8Br2O2
• Molecular Weight: 259.9238
• Mol file: 20262-34-4.mol

Synonyms:

Chemical Property of 5,6-dibromo-1,3-dioxepane

Chemical Property:

• Vapor Pressure: 0.0201mmHg at 25°C
• Boiling Point: 260.2°C at 760 mmHg
• Flash Point: 102.8°C
• Density: 1.925g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5,6-dibromo-1,3-dioxepane

There total 2 articles about 5,6-dibromo-1,3-dioxepane 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:

1,3-dioxa-5-cycloheptene (5417-32-3) → (+/-)-trans-5,6-dibromo-[1,3]dioxepane (20262-34-4,61253-90-5)

Guidance literature:

With chloroform; bromine; at -55 ℃;

DOI:10.1021/jo01357a019

Reference yield:

→ (5S,6S)-5,6-Dibromo-[1,3]dioxepane (20262-34-4,61253-90-5)

Guidance literature:

aus 4,7-Dihydro-1,3-dioxepin, Br2, CCl4, -30grad;

DOI:10.1016/S0040-4039(00)93132-0

Reference yield:

(+/-)-trans-5,6-dibromo-[1,3]dioxepane (20262-34-4,61253-90-5) → 1,3-dioxa-5-cycloheptene (5417-32-3)

Guidance literature:

With bis(triphenylstannyl)tellurium; In [D₃]acetonitrile; for 4h; Yield given; Ambient temperature;

DOI:10.1016/S0040-4039(00)97045-X

upstream raw materials:

1,3-dioxa-5-cycloheptene

Downstream raw materials:

5-bromo-4,7-dihydro-[1,3]dioxepine

5-Methoxy-4,5-dihydro-[1,3]dioxepin

1,3-dioxa-5-cycloheptene