2-Methyltetrahydropyran

Base Information

• Chemical Name: 2-Methyltetrahydropyran
• CAS No.: 10141-72-7
• Molecular Formula: C6H12 O
• Molecular Weight: 100.161
• Hs Code.: 2932999099
• DSSTox Substance ID: DTXSID60906150
• Nikkaji Number: J129.221H
• Mol file: 10141-72-7.mol

Synonyms:2-Methyltetrahydropyran;10141-72-7;2-methyloxane;2-Methyltetrahydro-2H-pyran;2H-Pyran, tetrahydro-2-methyl-;methyltetrahydropyran;AZELAICDIHYDRAZIDE;2-Methyl-tetrahydropyran;2-methyl-tetrahydro-pyran;SCHEMBL37613;Tetrahydro-2-methyl-2H-pyran;DTXSID60906150;MFCD00023850;AKOS024429542;FT-0636638

Chemical Property of 2-Methyltetrahydropyran

Chemical Property:

• Vapor Pressure: 31.8mmHg at 25°C
• Boiling Point: 107.3°Cat760mmHg
• Flash Point: 11°C
• PSA: 9.23000
• Density: 0.852g/cm³
• LogP: 1.57540
• XLogP3: 1.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 100.088815002
• Heavy Atom Count: 7
• Complexity: 52.1

Purity/Quality:

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

Dolutegravir-d4 ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1CCCCO1
• Uses: Estradiol Valerate Impurity I is a derivative of Estradiol (E888000) and Estradiol 17-Valerate (E888860) which is an estrogen.

Technology Process of 2-Methyltetrahydropyran

There total 53 articles about 2-Methyltetrahydropyran 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:

1,2-epoxy-5-hexene (10353-53-4) → oxepane (592-90-5) + 2,5-dimethyltetrahydrofuran (1003-38-9) + 2-methyloxane (10141-72-7)

Guidance literature:

With bromine; tri-n-butyl-tin hydride; Yield given. Multistep reaction. Yields of byproduct given; 1.) carbon tetrachloride, rt. 2 h.; 2.) ether, reflux, 24 h.;

Reference yield:

1,2-epoxy-5-hexene (10353-53-4) → 2,5-dimethyltetrahydrofuran (1003-38-9) + 2-methyloxane (10141-72-7)

Guidance literature:

With bromine; tri-n-butyl-tin hydride; Yield given. Multistep reaction. Yields of byproduct given; 1.) dichloromethane, -78 deg C, 2 h.; 2.) ether, reflux, 24 h.;

Reference yield:

N-(5-Hexenyl-2-oxy)pyridine-2(1H)-thione (171557-61-2) → 2,5-dimethyltetrahydrofuran (1003-38-9) + 2-methyloxane (10141-72-7)

Guidance literature:

With 2-Naphthalenethiol; In benzene-d6; at 15 ℃; for 0.0833333h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; Irradiation;

DOI:10.1021/jo00126a021

upstream raw materials:

4-chloro-2-methyl-tetrahydro-pyran

(2S,4S)-4-hydroxy-2-methyltetrahydropyran

6-methyl-3,4-dihydro-2H-pyran

6-Methyl-tetrahydropyran-3-on

Downstream raw materials:

n-hexan-2-one

succinic acid

5-hexanolide

5-ketohexanoic acid

Refernces

• 1、 Davies, Stephen G.,Polywka, Mario E. C.,Thomas, Susan E.. "STEREOSELECTIVE SYNTHESIS OF CYCLIC ETHERS VIA BROMINE ASSISTED EPOXIDE RING EXPANSION". . p. 1461 - 1464. Retrieved 1985.
• 2、 Brown, Herbert C.,Lynch, Gary J.. "Solvomercuration-Demercuration. 8. Oxymercuration-Demercuration of Methoxy-, Hydroxy-, and Acetoxy-Substituted Alkenes". . p. 531 - 538. Retrieved 1981.
• 3、 Misono et al.. "-". . p. 2447. Retrieved 1968.
• 4、 Zhou, Xiao-Le,Yang, Fan,Sun, Han-Li,Yin, Yun-Nian,Ye, Wei-Ting,Zhu, Rong. "Cobalt-Catalyzed Intermolecular Hydrofunctionalization of Alkenes: Evidence for a Bimetallic Pathway". supporting information. p. 7250 - 7255. Retrieved 2019/05/16.
• 5、 Liu, Sibao,Okuyama, Yasuyo,Tamura, Masazumi,Nakagawa, Yoshinao,Imai, Akio,Tomishige, Keiichi. "Catalytic conversion of sorbitol to gasoline-ranged products without external hydrogen over Pt-modified Ir-ReOx/SiO2". . p. 122 - 131. Retrieved 2016/05/11.