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Synlett 2001; 2001(3): 0357-0360
DOI: 10.1055/s-2001-11397
DOI: 10.1055/s-2001-11397
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Stereoselective Double Ring Closing Metathesis Reactions in the Synthesis of Spirocyclic Compounds
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Publication History
Publication Date:
31 December 2001 (online)
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The double ring closing metathesis reaction of α-hydroxyester derived tetraenes 4 proceed to give spirocyclic dihydropyrans in excellent yield and with good selectivity. The first examples of diastereoselective double RCM reactions to give medium ring spirocycles are also reported.
ring closing metathesis - stereoselective - spirocyclic compounds