212248-27-6

Basic information

• Product Name: 3β-acetoxy-20-[5-(1-hydroxy-1-methylethyl)isoxazol-3-yl]-5α,8α-(3,5-dioxo-4-phenyl-1,2,4-triazolidino)pregn-6-ene
• Synonyms: 3β-acetoxy-20-[5-(1-hydroxy-1-methylethyl)isoxazol-3-yl]-5α,8α-(3,5-dioxo-4-phenyl-1,2,4-triazolidino)pregn-6-ene
• CAS NO: 212248-27-6
• Molecular Weight: 642.795
• Mol File: 212248-27-6.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 3β-acetoxy-20-[5-(1-hydroxy-1-methylethyl)isoxazol-3-yl]-5α,8α-(3,5-dioxo-4-phenyl-1,2,4-triazolidino)pregn-6-ene(CAS DataBase Reference)
• NIST Chemistry Reference: 3β-acetoxy-20-[5-(1-hydroxy-1-methylethyl)isoxazol-3-yl]-5α,8α-(3,5-dioxo-4-phenyl-1,2,4-triazolidino)pregn-6-ene(212248-27-6)
• EPA Substance Registry System: 3β-acetoxy-20-[5-(1-hydroxy-1-methylethyl)isoxazol-3-yl]-5α,8α-(3,5-dioxo-4-phenyl-1,2,4-triazolidino)pregn-6-ene(212248-27-6)

Safety Data

• Hazardous Substances Data: 212248-27-6(Hazardous Substances Data)

Upstream product

• 28421-56-9 3β-acetoxy-5α,8α-(4-phenyl-1,2,4-triazolidine-3,5-dione-1,2-diyl)ergosta-6,22-diene 
• 28421-57-0 3-acetoxy-2'-phenyl-[1,2,4]triazolo[1',2':6,7](6,7-diaza-5,8-etheno-23,24-dinor-cholane)-21,3',5'-trione 
• 212248-24-3 3β-acetoxy-5α,8α-(3,5-dioxo-4-phenyl-1,2,4-triazolidino)-23-norcholest-6-en-22-aldoxime 
• 1108-03-8 ergosterol acetate 
• 15988-11-1 4-Phenylurazole 
• 115-19-5 2-methyl-but-3-yn-2-ol 

Relevant articles and documents

New Intermediates in Synthesis of Provitamins D

The first synthesis of provitamins possessing isoxazole ring in the side chain is described. The synthesis is performed from ergosterol acetate via steroid C22-nitrile oxide by means of 1,3-dipolar cycloaddition of the latter to low-molecular a