Maxacalcitol synthesis
- Product Name:Maxacalcitol
- CAS Number:103909-75-7
- Molecular formula:C26H42O4
- Molecular Weight:418.61
917-54-4
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![Propanoic acid, 3-[(1S)-1-[(1S,3aS,4E,7aS)-4-[(2Z)-[(3S,5R)-3,5-bis[[(1,1-diMethylethyl)diMethylsilyl]oxy]-2-Methylenecyclohexylidene]ethylidene]octahydro-7a-Methyl-1H-inden-1-yl]ethoxy]-, ethyl este](/CAS/20200515/GIF/413571-27-4.gif)
413571-27-4
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103909-75-7
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Yield:103909-75-7 77%
Reaction Conditions:
Stage #1: methyllithium;3-((S)-1-{(1S,3aS,7aS)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-ethoxy)-propionic acid ethyl ester in tetrahydrofuran at -78; for 1 h;
Stage #2: with tetrabutyl ammonium fluoride in tetrahydrofuran at 20;
References:
Fall, Yagamare;González, Victoria;Vidal, Beatriz;Mouri?o, Antonio [Tetrahedron Letters,2002,vol. 43,# 3,p. 427 - 429]
![2-Butanol, 4-[1-[4-[[3,5-bis[[(1,1-diMethylethyl)diMethylsilyl]oxy]-2-Methylenecyclohexylidene]ethylidene]octahydro-7a-Methyl-1H-inden-1-yl]ethoxy]-2-Methyl-, [1S-[1α(R*),3aβ,4E(1Z,3R*,5S*),7aα]]- (9CI)](/CAS/20211123/GIF/152517-44-7.gif)
152517-44-7
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103909-75-7
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142927-18-2
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103909-75-7
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142785-61-3
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103909-75-7
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103909-78-0
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103909-75-7
167 suppliers
$68.00/500μg