86401-80-1

Basic information

• Product Name: 16alpha-Hydroxyprednisonlone acetate
• Synonyms: 16A-HYDROXY-PREDNISONLONE ACETATE;16alpha-hydroxyprednisonlone acetate;11b,16a,17,21-tetrahydroxy-pregna-1,4-diene-3,20-dione 21-acetate;16ALPHA-HYDROXYPRENISOLONEACETATE;16α-HYDROXY-PREDNISONLONEACETATE;16alpha-Hydroxy-prednisolone acetate;11b,16a,17 a,21-tetrahydroxylpregn-1,4diene-3,20-dione-21-acetate;16α-Hydroxyprednisolone acetate
• CAS NO: 86401-80-1
• Molecular Formula: C₂₃H₃₀O₇
• Molecular Weight: 418.48
• EINECS: 2017-001-1
• Product Categories: Pharmaceutical Raw Materials;Pharmaceutical Intermediates
• Mol File: 86401-80-1.mol
• Article Data: 9

Chemical Properties

• Boiling Point: 593.3oC at 760 mmHg
• Flash Point: 202.5oC
• Appearance: /
• Density: 1.34
• Vapor Pressure: 6.35E-15mmHg at 25°C
• Refractive Index: 1.629
• Storage Temp.: 2-8°C
• PKA: 11.88±0.70(Predicted)
• CAS DataBase Reference: 16alpha-Hydroxyprednisonlone acetate(CAS DataBase Reference)
• NIST Chemistry Reference: 16alpha-Hydroxyprednisonlone acetate(86401-80-1)
• EPA Substance Registry System: 16alpha-Hydroxyprednisonlone acetate(86401-80-1)

Safety Data

• Hazardous Substances Data: 86401-80-1(Hazardous Substances Data)

Usage

用途

16α-Hydroxyprednisolone Acetate is used to observe interaction of some steroid drugs with β-cyclodextrin polymer to calculate the relative strengh of interaction between the hydrophobicity parameters of the drugs and the strenght of the drug-β-?cyclodextrin polymer.

Uses

16α-Hydroxyprednisolone Acetate is used to observe interaction of some steroid drugs with β-cyclodextrin polymer to calculate the relative strengh of interaction between the hydrophobicity parameters of the drugs and the strenght of the drug-β-?cyclodextrin polymer.

InChI:InChI=1/C23H30O7/c1-11-5-6-16-21(2,3)19(27)15(26)9-22(16,4)23(11)8-13-14(25)7-12(10-24)17(20(28)29)18(13)30-23/h7,10-11,15-16,19,25-27H,5-6,8-9H2,1-4H3,(H,28,29)/t11-,15-,16?,19-,22+,23-/m1/s1

Upstream product

• 91160-89-3 9α-bromo-11β,16α,17α,21-tetrahydroxypregnane-1,4-diene-3,20-dione-21-acetate 
• 7440-47-3 chromium 
• 13951-70-7 desonide 
• 108-24-7 acetic anhydride 
• 3044-42-6 21-acetoxy-11β-hydroxyl-1,4,16-pregnatriene-3,20-dione 
• 37413-91-5 2-((10S,13S)-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15-octahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate 
• 51333-05-2 (S)-budesonide acetate 
• 77017-20-0 16α,17α,21-trihydroxypregna-1,4,9(11)-triene-3,20-dione-21-acetate 
• 37413-91-5 2-((10S,13S,14S)-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15-octahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate 
• 10025-73-7 chromium(III) chloride 

Downstream Products

• 51372-28-2 (22S)-Budesonide 
• 638-94-8 desonide 
• 4533-89-5 21-(acetyloxy)-6α-fluoro-11β-hydroxy-16α,17-<(1-methylethylidene)bis(oxy)>pregna-1,4-diene-3,20-dione 
• 3385-03-3 flunisolide 
• 13951-70-7 desonide 
• 51333-05-2 (R)-budesonide acetate 
• 51333-05-2 2-((6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-6a,8a-dimethyl-4-oxo-10-propyl-2,4,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoethyl acetate 
• 161115-59-9 desisobutyryl ciclesonide 
• 126544-47-6 ciclesonide 

Relevant articles and documents

Preparation method of glucocorticoid key intermediate

The invention provides a preparation method of a compound (III), which comprises the following steps: in an organic solvent, in the presence of a phase inversion catalyst and an organic acid, controlling the pH value of a reaction system to be 2-6, and oxidizing a compound (II) by potassium permanganate to obtain the compound (III). The invention also provides application of the preparation methodin preparation of budesonide.

Preparation method of 16a-hydroxy prednisolone acetate product

A preparation method of a 16a-hydroxy prednisolone acetate product includes dissolving 17-dehydroxy prednisone acetate as a raw material in an organic solvent, oxidizing 16 and 17 double bonds by potassium permanganate under acid catalysis to obtain an oxide, dissolving the obtained oxide in an organic solvent, adding acetone, and carrying out acid catalyzed reaction to obtain a protector; dissolving the protector in an organic solvent, adding a reducing agent to reduce ketone at the 11th position, directly adding an acid water solution for hydrolysis and deprotection after the reduction reaction to obtain 16a-hydroxy prednisolone acetate, and subjecting the crude product to decoloration and recrystallization by low-carbon-alcohol heating reflux to obtain the 16a-hydroxy prednisolone acetate product. Although two reaction steps, protection and deprotection, are added, the reaction yield of units in each step is high, the method is simple and convenient to operate, the process is economical and environmentally friendly, and the total synthesis yield is increased remarkably; the preparation cost of the preparation method is 20-25% lower than that of conventional production methods.

A budesonide industrial preparation method (by machine translation)

The invention relates to a cloth budesonide industrial preparation method. Specifically, the invention relates to a hydrochloric acid aqueous solution, dichloromethane and in acetonitrile, 16 α - hydroxy prednisolone with butyraldehyde by the reaction of the budesonide. In the method of the present invention has the industrial can be implemented on, repeatability and the like. (by machine translation)