Stereoselective Synthesis of Dihydropyrans via Vinylsilane-Terminated Cyclizations of Ester-Substituted Oxycarbenium Ion Intermediates

Journal of Organic Chemistry

Volumn 62, Issue 11, 1997, Pages 3426-3427

  Semeyn, Cindy ^a   Blaauw, Richard H ^a   Hiemstra, Henk ^a   Nico Speckamp, W ^a  

^a UNIVERSITY OF AMSTERDAM   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001207667     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo970369f     Document Type: Article

References (28)

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2. For some examples see: (a) Class, Y. J.; DeShong, P. Chem. Rev. 1995, 95, 1843. (b) Norcross, R. D.; Paterson, I. Chem. Rev. 1995, 95, 2041. (c) Markó, I. E.; Bayston D. J. Synthesis 1996, 297.
3. For some examples see: (a) Class, Y. J.; DeShong, P. Chem. Rev. 1995, 95, 1843. (b) Norcross, R. D.; Paterson, I. Chem. Rev. 1995, 95, 2041. (c) Markó, I. E.; Bayston D. J. Synthesis 1996, 297.
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26. For example, in the case of product 15 irradiation of H2 of the cis product gave an enhancement of 7% on H6 while similar irradiation of the trans product showed no effect.
27. Chiralpak AS column, eluent n -heptane/2 -propanol 95:5, flow 0.5 mL/min, 250 ′ 4.5 mm.
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