24377-29-5

Basic information

• Product Name: 17-Ethinyl-3,17-dihydroxy-18-methylestra-2,5(10)-diene3-methylether
• Synonyms: 17-Ethinyl-3,17-dihydroxy-18-methylestra-2,5(10)-diene3-methylether;17-Ethinyl-3-methoxy-18-methylestra-2,5(10)-diene-17-ol
• CAS NO: 24377-29-5
• Molecular Formula: C₂₂H₃₀O₂
• Molecular Weight: 326.47
• Mol File: 24377-29-5.mol
• Article Data: 2

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 17-Ethinyl-3,17-dihydroxy-18-methylestra-2,5(10)-diene3-methylether(CAS DataBase Reference)
• NIST Chemistry Reference: 17-Ethinyl-3,17-dihydroxy-18-methylestra-2,5(10)-diene3-methylether(24377-29-5)
• EPA Substance Registry System: 17-Ethinyl-3,17-dihydroxy-18-methylestra-2,5(10)-diene3-methylether(24377-29-5)

Safety Data

• Hazardous Substances Data: 24377-29-5(Hazardous Substances Data)

Upstream product

• 2322-77-2 13β-Ethyl-3-methoxy-gona-2,5(10)-dien-17-on 
• 74-86-2 acetylene 

Downstream Products

• 797-63-7 levonorgestrel 

Relevant articles and documents

Preparation method of levonorgestrel

The invention discloses a preparation method of levonorgestrel, and belongs to the technical field of medicine preparation and processing. According to the method, 18-methylestra-2,5(10)-diene-3-methoxy-17-ketone is used as an initial raw material, and the levonorgestrel disclosed by the invention is prepared by virtue of two steps of ethynylation and hydrolysis. According to the preparation method of the levonorgestrel, the defects of a traditional process are overcome and reaction conditions are mild; the method is high in overall conversion rate, easy and convenient to operate, suitable forindustrial production and wide in market prospect.