Stereoselective reduction of bicyclic acetals. A method for reductive generation of heterocyclic ring systems
β Scribed by Kazuaki Ishihara; Atsunori Mori; Hisashi Yamamoto
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- French
- Weight
- 232 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0040-4039
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## Abstract magnified image __cis__βFused bicyclic acetals were obtained from the unusual cyclization reaction between diols and dihydropyran. Furothiopyran, substituted pyranopyrans, and pyranooxepine and pyranobenzoxepine compounds were obtained with high diastereoselectivity and __cis__βdiaster
A generalized formulation of the generalized moment method is used to reduce a IOth-order power system model to 4th-order. The results are compared to those obtained by Bandekas and Papadopoulos who recently attempted to solve the same problem. Results obtained using balanced model reduction are als