2-BroM-cycloheptanon-ethylenketal

Base Information

• Chemical Name: 2-BroM-cycloheptanon-ethylenketal
• CAS No.: 70562-63-9
• Molecular Formula: C9H15BrO2
• Molecular Weight: 235.121
• Hs Code.: 2932999099
• Mol file: 70562-63-9.mol

Synonyms:2-Brom-cycloheptanon-ethylenketal;

Chemical Property of 2-BroM-cycloheptanon-ethylenketal

Chemical Property:

• Vapor Pressure: 0.00432mmHg at 25°C
• Boiling Point: 287.3°Cat760mmHg
• Flash Point: 125.4°C
• PSA: 18.46000
• Density: 1.4g/cm³
• LogP: 2.45710

Purity/Quality:

98%min ^*data from raw suppliers

6-Bromo-1,4-dioxaspiro[4.6]undecane 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-BroM-cycloheptanon-ethylenketal

There total 2 articles about 2-BroM-cycloheptanon-ethylenketal 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: 94.0%

ethylene glycol (107-21-1) + cycloheptanone (502-42-1) → 2-Brom-cycloheptanon-ethylenketal (70562-63-9)

Guidance literature:

With bromine; at 40 ℃;

DOI:10.1016/S0040-4039(00)97495-1

Reference yield:

→ 2-Brom-cycloheptanon-ethylenketal (70562-63-9)

Guidance literature:

Cycloheptanon, HO-CH2-CH2-OH, Br2;

DOI:10.1021/jo01330a001

Reference yield: 84.0%

2-Brom-cycloheptanon-ethylenketal (70562-63-9) → 1,4-dioxaspiro[4,6]undec-6-ene (1728-24-1)

Guidance literature:

With sodium methylate; In methanol; Heating;

DOI:10.1016/S0040-4039(00)97495-1

upstream raw materials:

ethylene glycol

cycloheptanone

Downstream raw materials:

1,4-dioxaspiro[4,6]undec-6-ene

cycloheptane-1,3-dione

Toluene-4-sulfonic acid 1,4-dioxa-spiro[4.6]undec-6-en-8-yl ester

Refernces

• 1、 Hossein, Mahdavi,Zahra, Kachoei. "Synthesis and application of poly(diallyldimethylammonium tribromide) as a novel polymeric brominating agent". experimental part. p. 2221 - 2225. Retrieved 2011/10/12.
• 2、 Visweswariah, Sandhya,Prakash, G.,Bhushan, Vidya,Chandrasekaran, S.. "One-Pot α-Bromoacetalization of Carbonyl Compounds". . p. 309 - 310. Retrieved 2007/10/02.