A NOVEL AND STEREOSELECTIVE SPIROANNELATION - A FACILE ACCESS TO APHIDICOLANE AND STEMODANE B C/D-RING SYSTEMS/

Authors
TANAKA T OKUDA O MURAKAMI K YOSHINO H MIKAMIYAMA H KANDA A IWATA C
Citation
T. Tanaka et al., A NOVEL AND STEREOSELECTIVE SPIROANNELATION - A FACILE ACCESS TO APHIDICOLANE AND STEMODANE B C/D-RING SYSTEMS/, Tetrahedron letters, 35(24), 1994, pp. 4125-4128
Citations number
28
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
35
Issue
24
Year of publication
1994
Pages
4125 - 4128
Database
ISI
SICI code
0040-4039(1994)35:24<4125:ANASS->2.0.ZU;2-Q
Abstract
Spiro[5.5]undecane derivatives 6A and 7S were obtained in moderate ste reoselectivity by the intramolecular spiroannelation reaction of a bis -acetal 3 promoted by TMSOTf and the selectivity was reversed by chang ing the solvent from acetonitrile to THF.