5,6-Dihydro-4-methoxy-2H-pyran-2-one

Base Information

• Chemical Name: 5,6-Dihydro-4-methoxy-2H-pyran-2-one
• CAS No.: 83920-64-3
• Molecular Formula: C₆H₈O₃
• Molecular Weight: 128.128
• Hs Code.: 2932999099
• DSSTox Substance ID: DTXSID501288933
• Metabolomics Workbench ID: 46083
• Nikkaji Number: J2.361.762E
• Mol file: 83920-64-3.mol

Synonyms:5,6-Dihydro-4-methoxy-2H-pyran-2-one;83920-64-3;4-methoxy-5,6-dihydro-2H-pyran-2-one;SCHEMBL8519835;CHEBI:173478;DTXSID501288933;4-methoxy-2,3-dihydropyran-6-one

Chemical Property of 5,6-Dihydro-4-methoxy-2H-pyran-2-one

Chemical Property:

• PSA: 35.53000
• LogP: 0.46360
• XLogP3: 0.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 128.047344113
• Heavy Atom Count: 9
• Complexity: 148

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=CC(=O)OCC1

Technology Process of 5,6-Dihydro-4-methoxy-2H-pyran-2-one

There total 4 articles about 5,6-Dihydro-4-methoxy-2H-pyran-2-one 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:

4-(benzyloxy)-5,6-dihydro-2H-pyran-2-one (136258-79-2) → 5,6-dihydro-4-methoxy-2H-pyran-2-one (83920-64-3)

Guidance literature:

Multi-step reaction with 2 steps

1: H₂ / Pd(OH)2 / propan-2-ol / 2625.2 Torr

2: diethyl ether

With hydrogen; palladium dihydroxide; In diethyl ether; isopropyl alcohol;

DOI:10.1016/0040-4039(91)80689-4

Reference yield:

benzyl 5-hydroxy-2-pentynoate (136258-78-1) → 5,6-dihydro-4-methoxy-2H-pyran-2-one (83920-64-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 1) HgO, BF₃*Et₂O / 1) 1 h, 60 deg C, 2a) 0.5 h, 70 deg C, b) 24 h, 20 deg C

2: H₂ / Pd(OH)2 / propan-2-ol / 2625.2 Torr

3: diethyl ether

With boron trifluoride diethyl etherate; hydrogen; mercury(II) oxide; palladium dihydroxide; In diethyl ether; isopropyl alcohol;

DOI:10.1016/0040-4039(91)80689-4

Reference yield:

diazomethane (186581-53-3,908094-01-9,334-88-3) + 5,6-dihydro-2H-pyran-2,4-dione (33532-46-6) → 5,6-dihydro-4-methoxy-2H-pyran-2-one (83920-64-3)

Guidance literature:

In diethyl ether;

DOI:10.1016/0040-4039(91)80689-4

upstream raw materials:

diazomethane

5,6-dihydro-2H-pyran-2,4-dione

methanol

4-(benzyloxy)-5,6-dihydro-2H-pyran-2-one