- A comparative structural study of the steroid epimers: 17β-Amino- 1,3,5(10)estratrien-3-ol, 17α-amino-1,3,5(10)-estratrien-3-ol, and some derivatives by 1H NMR, and x-ray diffraction analysis
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The epimers 17β-amino-1,3,5(10)-estratrien-3-ol and 17α-amino- 1,3,5(10)-estratrien-3-ol were synthesized. 17β-Amino-1,3,5(10)-estratrien- 3-ol was prepared by catalytic hydrogenation of the estrone-oxime. The 17α- amino epimer was obtained from estradiol
- Lemini, Cristina,Cruz-Ramos, Elia,Toscano, Ruben Alfredo,Cruz-Almanza, Raymundo
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- Facile Deoxygenation of Phenols and Enols Using Sodium Borohydride-Nickel Chloride
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A facile deoxygenation reaction of phenol and 1,3-dicarbonyl compounds was investigated.Phenols, enolizable 1,3-diketones and 3-ketoesters were converted into the toluene-p-sulfonates which were reduced by a sodium borohydride-nickel chloride system to give the deoxygenated aromatic compounds, alcohols and esters, respectively.
- Wang, Feng,Chiba, Kazuhiro,Tada, Masahiro
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p. 1897 - 1900
(2007/10/02)
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