8-chloro-4-ethyl-4-hydroxy-1H-pyrano[3,4-c]pyridin-3-one

Base Information

• Chemical Name: 8-chloro-4-ethyl-4-hydroxy-1H-pyrano[3,4-c]pyridin-3-one
• CAS No.: 40899-34-1
• Molecular Formula: C10H10ClNO3
• Molecular Weight: 227.6443
• NSC Number: 166611
• DSSTox Substance ID: DTXSID10304642
• Mol file: 40899-34-1.mol

Synonyms:40899-34-1;NSC166611;8-chloro-4-ethyl-4-hydroxy-1H-pyrano[3,4-c]pyridin-3-one;DTXSID10304642;NSC-166611

Chemical Property of 8-chloro-4-ethyl-4-hydroxy-1H-pyrano[3,4-c]pyridin-3-one

Chemical Property:

• Vapor Pressure: 1.67E-08mmHg at 25°C
• Boiling Point: 439.6°Cat760mmHg
• Flash Point: 219.7°C
• Density: 1.405g/cm³
• XLogP3: 1.3
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 227.0349209
• Heavy Atom Count: 15
• Complexity: 273

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1(C2=C(COC1=O)C(=NC=C2)Cl)O

Technology Process of 8-chloro-4-ethyl-4-hydroxy-1H-pyrano[3,4-c]pyridin-3-one

There total 1 articles about 8-chloro-4-ethyl-4-hydroxy-1H-pyrano[3,4-c]pyridin-3-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:

2-hydroxy-2-(3-methyl-1-oxy-pyridin-4-yl)-butyric acid ethyl ester (40899-48-7) → 7-Chlorpyrido<5,4-c>-2-oxo-3-aethyl-3-hydroxy-3,6-dihydropyran (40899-34-1)

Guidance literature:

Multistep reaction; (i) POCl₃, (ii) NBS, (PhCO)2O₂, CCl₄, (iii) KOAc, AcOH, (iv) aq. KOH, MeOH;

DOI:10.1021/jo00959a006

Reference yield:

7-Chlorpyrido<5,4-c>-2-oxo-3-aethyl-3-hydroxy-3,6-dihydropyran (40899-34-1) → 4-ethyl-4-hydroxy-7-naphthalen-2-ylmethyl-1,7-dihydro-4H-pyrano[3,4-c]pyridine-3,8-dione (48211-40-1)

Guidance literature:

Multi-step reaction with 2 steps

1: NaI

2: DMSO

With dimethyl sulfoxide; sodium iodide;

DOI:10.1021/jo00959a006

upstream raw materials:

2-hydroxy-2-(3-methyl-1-oxy-pyridin-4-yl)-butyric acid ethyl ester

Downstream raw materials:

4-ethyl-4-hydroxy-7-naphthalen-2-ylmethyl-1,7-dihydro-4H-pyrano[3,4-c]pyridine-3,8-dione