2-(BROMOMETHYL)TETRAHYDRO-2 H-PYRAN

Base Information

• Chemical Name: 2-(BROMOMETHYL)TETRAHYDRO-2 H-PYRAN
• CAS No.: 34723-82-5
• Molecular Formula: C₆H₁₁BrO
• Molecular Weight: 179.057
• Hs Code.: 29329990
• Mol file: 34723-82-5.mol

Synonyms:Pyran,2-(bromomethyl)tetrahydro- (6CI,7CI);2H-Pyran,2-(bromomethyl)tetrahydro-;2-(Bromomethyl)tetrahydropyran;NSC 167066;Tetrahydropyran-2-ylmethyl bromide;

Chemical Property of 2-(BROMOMETHYL)TETRAHYDRO-2 H-PYRAN

Chemical Property:

• Appearance/Colour: colorless to yellow liquid
• Vapor Pressure: 4.36mmHg at 25°C
• Melting Point: -59 - -58 °C(lit.)
• Refractive Index: n20/D 1.489(lit.)
• Boiling Point: 153 °C at 760 mmHg
• Flash Point: 65 °C
• PSA: 9.23000
• Density: 1.359 g/cm³
• LogP: 1.95040

Purity/Quality:

99%, ^*data from raw suppliers

2-(Bromomethyl)tetrahydro-2H-pyran 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: 2-(Bromomethyl)tetrahydro-2H-pyran has been used in the preparation of tellurated heterocycles, 2-[(2-thienyltelluro)methyl]tetrahydrofuran and [(2-thienyltelluro)methyl]tetrahydro-2H-pyran.

Technology Process of 2-(BROMOMETHYL)TETRAHYDRO-2 H-PYRAN

There total 2 articles about 2-(BROMOMETHYL)TETRAHYDRO-2 H-PYRAN 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:

Bromosulfurous acid tetrahydro-pyran-2-ylmethyl ester → 2-(chloromethyl)tetrahydropyran (18420-41-2,130233-13-5,130233-14-6) + 2-(bromomethyl)tetrahydro-2H-pyran (34723-82-5,130233-15-7,130233-16-8)

Guidance literature:

With triethylamine; at 70 ℃; for 5h; Yield given. Yields of byproduct given;

DOI:10.1080/00397919208019071

Reference yield:

Tetrahydropyran-2-methanol (100-72-1) → 2-(chloromethyl)tetrahydropyran (18420-41-2,130233-13-5,130233-14-6) + 2-(bromomethyl)tetrahydro-2H-pyran (34723-82-5,130233-15-7,130233-16-8)

Guidance literature:

Yield given. Multistep reaction. Yields of byproduct given;

DOI:10.1080/00397919208019071

Reference yield: 99.0%

2-(bromomethyl)tetrahydro-2H-pyran (34723-82-5,130233-15-7,130233-16-8) + para-bromobenzenethiol (106-53-6) → 2-((4-bromophenylthio)methyl)tetrahydro-2H-pyran (1356207-07-2)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; mineral oil; at 20 ℃; for 18h;

DOI:10.1016/j.bmcl.2011.11.075

upstream raw materials:

Tetrahydropyran-2-methanol

Downstream raw materials:

2-(oxan-2-ylmethyl)-2,3-dihydro-1H-isoindole-1,3-dione

5-Hexen-1-ol

3-(4-chloro-phenyl)-2-phenyl-4-(tetrahydro-pyran-2-ylmethyl)-4H-furo[3,2-b]pyrrole-5-carboxylic acid ethyl ester

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