54725-64-3

Basic information

• Product Name: 18,19-Didehydroyohimban-17-one
• Synonyms: 18,19-Didehydroyohimban-17-one;18,19-Didehydroyohimbone
• CAS NO: 54725-64-3
• Molecular Formula: C19H20N2O
• Molecular Weight: 292.3749
• Mol File: 54725-64-3.mol
• Article Data: 3

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 18,19-Didehydroyohimban-17-one(CAS DataBase Reference)
• NIST Chemistry Reference: 18,19-Didehydroyohimban-17-one(54725-64-3)
• EPA Substance Registry System: 18,19-Didehydroyohimban-17-one(54725-64-3)

Safety Data

• Hazardous Substances Data: 54725-64-3(Hazardous Substances Data)

Upstream product

• 81768-64-1 (20α)-18,19-didehydroyohimban-17-one 
• 81750-86-9 19,20-didehydroyohimban-17-one 
• 81750-85-8 16,17,19,20-tetrahydro-17-methoxy-yohimban 
• 81750-84-7 16,17,19,20-tetrahydro-17-methoxy-yohimban-21-one 
• 158146-68-0 17β-hydroxy-18,19-didehydroyohimbane 
• 158146-59-9 2,2-Dimethyl-propionic acid (4aS,6S,7R,8aR)-7-hydroxy-2-[2-(1H-indol-3-yl)-ethyl]-3-oxo-decahydro-isoquinolin-6-yl ester 
• 158146-60-2 2,2-Dimethyl-propionic acid (4aS,6S,8aS)-2-[2-(1H-indol-3-yl)-ethyl]-3-oxo-1,2,3,4,4a,5,6,8a-octahydro-isoquinolin-6-yl ester 
• 158146-67-9 17β-(trimethylacetoxy)-18,19-didehydroyohimbane 

Downstream Products

• 2114-90-1 methyl (16α)-17-oxoyohimban-16-carboxylate 
• 523-14-8 yohimban-17-one 
• 2671-57-0 (+)-yohimbinone 
• 549-84-8 β-yohimbine 
• 146-48-5 Yohimbine 
• 84-37-7 3α-15α-20β-17α-hydroxylyohimbine-16α-carboxylic acid methyl ester 

Relevant articles and documents

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Photocyclisation of Enamides. Part 27. Total Syntheses of(+/-)-Yohimbine, (+/-)-Alloyohimbine, and (+/-)-19,20-Didehydroyohimbines

Total syntheses of five indole alkaloids, (+/-)-yohimbine (10), (+/-)-alloyohimbine (11), and three (+/-)-19,20-didehydroyohimbines (15a, b, and c) (for the first time) were completed from a single common key intermediate (4) via a route involving the ste