Diflorasone

Base Information

• Chemical Name: Diflorasone
• CAS No.: 2557-49-5
• Molecular Formula: C22H28F2O5
• Molecular Weight: 410.458
• Hs Code.: 2937229000
• European Community (EC) Number: 219-875-7
• UNII: T2DHJ9645W
• DSSTox Substance ID: DTXSID201036185
• Nikkaji Number: J7.614G
• Wikipedia: Diflorasone
• Wikidata: Q5275451
• NCI Thesaurus Code: C61722
• RXCUI: 91311
• Metabolomics Workbench ID: 42625
• Mol file: 2557-49-5.mol

Synonyms:diflorasone;diflorasone diacetate;Florone;Flutone;Maxiflor;Psorcon;Psorcon E

Chemical Property of Diflorasone

Chemical Property:

• Appearance/Colour: Off-white solid
• Vapor Pressure: 2.33E-15mmHg at 25°C
• Melting Point: 228-239 °C
• Refractive Index: 1.579
• Boiling Point: 569.8 °C at 760 mmHg
• PKA: 11.98±0.70(Predicted)
• Flash Point: 298.4 °C
• PSA: 94.83000
• Density: 1.36 g/cm³
• LogP: 1.84370
• Storage Temp.: Refrigerator
• Solubility.: Methanol (Slightly)
• XLogP3: 1.9
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 2
• Exact Mass: 410.19048031
• Heavy Atom Count: 29
• Complexity: 839

Purity/Quality:

99% ^*data from raw suppliers

Diflorasone ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1CC2C3CC(C4=CC(=O)C=CC4(C3(C(CC2(C1(C(=O)CO)O)C)O)F)C)F
• Isomeric SMILES: C[C@H]1C[C@H]2[C@@H]3C[C@@H](C4=CC(=O)C=C[C@@]4([C@]3([C@H](C[C@@]2([C@]1(C(=O)CO)O)C)O)F)C)F
• Recent EU Clinical Trials: Determination of anti-inflammatory efficacy of topical formulations in a UV erythema test
• Uses: An anti-inflammatory and anti-itching corticosteroid usually present in topical creams.
• Therapeutic Function: Antiinflammatory

Technology Process of Diflorasone

There total 5 articles about Diflorasone 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:

C25H36F2O5Si → 6α-Fluor-dexamethason (2135-17-3,2557-49-5,6477-56-1,59905-50-9,60895-22-9)

Guidance literature:

With hydrogenchloride; In methanol; water; pH=Ca. 1;

Reference yield:

C25H36F2O3Si → 6α-Fluor-dexamethason (2135-17-3,2557-49-5,6477-56-1,59905-50-9,60895-22-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 3-chloro-benzenecarboperoxoic acid; potassium hydrogencarbonate / dichloromethane / 0 - 5 °C

2: hydrogenchloride / methanol; water / pH Ca_. 1

With hydrogenchloride; potassium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid; In methanol; dichloromethane; water;

Reference yield:

6α,9α-difluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione, 17-propionate 21-mesylate (84509-92-2) → halobetasol propionate (66852-54-8) + halobetasol (98651-66-2) + 6α,9α-difluoro-11β-hydroxy-16β-methyl-3-oxoandrosta-1,4-diene-17(R)-spiro-2'-[4'-chloro-5'-ethylfuran-3-(2'H)-one] + 6α,9α-difluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione, 21-propionate (541502-98-1) + 6α,9α-difluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione, 17-propionate (924726-89-6) + 11β,17α,21-trihydroxy-6α,9α-difluoro-16β-methylpregna-1,4-diene-3,20-dione (2557-49-5)

Guidance literature:

6α,9α-difluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione, 17-propionate 21-mesylate; With lithium chloride; In ISOPROPYLAMIDE; at 80 ℃; for 3h;

With water; In ISOPROPYLAMIDE; at 20 ℃; for 1.83333h;

upstream raw materials:

6α,9α-difluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione, 17-propionate 21-mesylate

Downstream raw materials:

6α,9α-difluoro-11β-hydroxy-17β-<(methylthio)carbonyl>-17α-(propionyloxy)-16α-methylandrosta-1,4-dien-3-one

6α,9α-difluoro-11β-hydroxy-16α-methyl-3-oxo-17α-(propionyloxy)androsta-1,4-diene-17β-carboxylic acid

17α-acetoxy-6α,9α-difluoro-11β-hydroxy-17β-<(methylthio)carbonyl>-16α-methylandrosta-1,4-dien-3-one

6α,9α-difluoro-11β,17α-dihydroxy-16α-methyl-3-oxoandrosta-1,4-diene-17β-carboxylic acid

Refernces

• 1、 -. "A PROCESS FOR PREPARING A CRYSTALLINE FORM OF HALOBETASOL PROPIONATE". Page/Page column 25. . Retrieved 2008/06/13.
• 2、 -. "Method for reducing or preventing transplant rejection in the eye and intraocular implants for use therefor". . . Retrieved 2008/06/13.