Tetrahedron letters

Organotin triflates as functional lewis acids. A new entry to simple and efficient robinson annulation

T Sato, Y Wakahara, J Otera, H Nozaki

Index: Sato, Tsuneo; Wakahara, Yoshiyuki; Otera, Junzo; Nozaki, Hitosi Tetrahedron Letters, 1990 , vol. 31, # 11 p. 1581 - 1584

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Citation Number: 42

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... An efficient Robinson annulation has been established through the Michael addition of enol silyl ethers to α-enones catalyzed by dibutyltinbis(triflate) followed by the MeONa-mediated intramolecular aldol condensation of the adducts. ... Bu 2 Sn(OTf) 2 (1) catalyzes the Michael addition to ...

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Intramolecular anodic olefin coupling reactions: the use of ...

[Moeller, Kevin D.; Tinao, Luzviminda V. Journal of the American Chemical Society, 1992 , vol. 114, # 3 p. 1033 - 1041]