1,1-Dibromocyclohexane

Base Information

• Chemical Name: 1,1-Dibromocyclohexane
• CAS No.: 10489-97-1
• Molecular Formula: C6H10Br2
• Molecular Weight: 241.953
• Hs Code.: 2903890090
• Mol file: 10489-97-1.mol

Synonyms:Cyclohexane, 1,1-dibromo-;1,1-dibromo-cyclohexane;Cyclohexane,1,1-dibromo;dibromocyclohexane;1,1-Dibrom-cyclohexan;1.2-Dibromcyclohexan;

Chemical Property of 1,1-Dibromocyclohexane

Chemical Property:

• Melting Point: -29.5°C
• Refractive Index: 1.5392 (estimate)
• Boiling Point: 204.74°C (rough estimate)
• PSA: 0.00000
• Density: 1.7460
• LogP: 3.43660

Purity/Quality:

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

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,1-Dibromocyclohexane

There total 13 articles about 1,1-Dibromocyclohexane 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: 42.0%

N'-cyclohexylidene-4-methylbenzene-1-sulfonohydrazide (4545-18-0) → 1-bromocyclohexane (108-85-0) + dibromo-cyclohexane (10489-97-1)

Guidance literature:

With 1,1,3,3-tetramethylguanidine; bromine; In tetrahydrofuran; at -14 - -12 ℃;

DOI:10.1016/S0040-4020(01)85610-6

Reference yield: 29.0%

1-bromocyclohexane (108-85-0) → dibromo-cyclohexane (10489-97-1) + cis-1,3-dibromocyclohexane (31025-70-4) + trans-1,4-dibromocyclohexane (13618-83-2) + trans-1,3-dibromocyclohexane (29624-17-7)

Guidance literature:

With tert.-butylhydroperoxide; Bromotrichloromethane; ferric nitrate; In pyridine; acetic acid; at 60 ℃; for 10h; Further byproducts given;

DOI:10.1016/S0040-4020(01)80735-3

Reference yield: 29.0%

1-bromocyclohexane (108-85-0) → dibromo-cyclohexane (10489-97-1) + cis-1,3-dibromocyclohexane (31025-70-4) + trans-1,4-dibromocyclohexane (13618-83-2) + cis-1,4-dibromocyclohexane (16661-99-7)

Guidance literature:

With tert.-butylhydroperoxide; Bromotrichloromethane; ferric nitrate; In pyridine; acetic acid; at 60 ℃; for 10h; Further byproducts given;

DOI:10.1016/S0040-4020(01)80735-3

upstream raw materials:

1-bromocyclohex-1-ene

cyclohexanone hydrazone

1-bromocyclohexane

N'-cyclohexylidene-4-methylbenzene-1-sulfonohydrazide

Downstream raw materials:

trans-1,4-dibromocyclohexane

1-bromocyclohex-1-ene

Refernces

• 1、 -. "Preparation method of heteroatom-containing cyclohexene halide". Paragraph 0051-0053. . Retrieved 2019/12/25.
• 2、 Bonsignore, Leonardo,Fadda, Anna Maria,Loy, Giuseppe,Maccioni, Anna Maria,Marongiu, Enrica,Podda, Gianni. "Studies on the Synthesis of Heterocyclic Compounds. XIV. Cleavage of 1,3-Benzoxathioles by Magnesium Bromide-Acetic Anhydride". . p. 573 - 576. Retrieved 2007/10/02.