Synthesis of 4-azasteroids by an intramolecular Ugi reaction
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چکیده
منابع مشابه
Direct synthesis of sensitive selenocysteine peptides by the Ugi reaction.
Ammonia and selenoaldehydes are both problematic components in Ugi reactions. Here we report the efficient direct multicomponent synthesis of sensitive selenocysteine peptides without the use of convertible (protected) primary amines, including suitable deprotection protocols for selenols.
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ژورنال
عنوان ژورنال: Steroids
سال: 2008
ISSN: 0039-128X
DOI: 10.1016/j.steroids.2008.06.002