21-Dehydro Budesonide

Base Information

• Chemical Name: 21-Dehydro Budesonide
• CAS No.: 85234-63-5
• Molecular Formula: C₂₅H₃₂O₆
• Molecular Weight: 428.525
• Mol file: 85234-63-5.mol

Synonyms:

Chemical Property of 21-Dehydro Budesonide

Chemical Property:

• Melting Point: >110oC (dec.)
• Boiling Point: 572.5±50.0 °C(Predicted)
• PKA: 14.21±0.70(Predicted)
• Density: 1.27±0.1 g/cm3(Predicted)
• Storage Temp.: Hygroscopic, -20°C Freezer, Under inert atmosphere
• Solubility.: DMSO (Slightly), Methanol (Slightly)

Purity/Quality:

99%, ^*data from raw suppliers

21-DehydroBudesonide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 21-Dehydro Budesonide (Budesonide EP Impurity D) is a Budesonide (B689490) impurity.

Technology Process of 21-Dehydro Budesonide

There total 1 articles about 21-Dehydro Budesonide 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: 92.0%

budesonide (51372-29-3) → 21-dehydrobudesonide (85234-63-5)

Guidance literature:

With air; copper diacetate; In methanol; for 5h;

DOI:10.1016/S0039-128X(03)00033-3

upstream raw materials:

budesonide