Olefin metathesis: remote substituents governing the stereoselectivity of 11-membered-ring formation |
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| Authors: | Vassilikogiannakis Georgios Margaros Ioannis Tofi Maria |
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| Affiliation: | Department of Chemistry, University of Crete, 71409 Iraklion, Crete, Greece. vasil@chemistry.uoc.gr |
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| Abstract: | [reaction: see text] Stereospecific RCM reaction of 7 (R1 = Me) results in the formation of (Z)-11-membered macrocycle 9c. Cascade RCM/ROM/RCM transformation of 7 (R1 = H) affords the thermodynamically more stable spirocycle product 12. |
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