Lopes, Susana M M <br/><br/>
Synthesis of chiral hexacyclic steroids via [8π + 2π] cycloaddition of diazafulvenium methides.  [electronic resource] 

 -  Organic & biomolecular chemistry  Sep 2015 
 - 9127-39 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1477-0539 
<br/><br/><label>Standard No.: </label>10.1039/c5ob01110h  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Catalysis<br/>Cyclization<br/>Cycloaddition Reaction<br/>Heterocyclic Compounds--chemical synthesis<br/>Imidazoles--chemistry<br/>Indolequinones--chemistry<br/>Models, Molecular<br/>Molecular Structure<br/>Stereoisomerism<br/>Steroids--chemical synthesis