A Novel Synthesis of trans-Enynes from Substituted Tetrahydropyrans. -Cleavage of 3-bromo-2-ethynyltetrahydropyrans such as (I) and (V) with BuLi or in situ generated cobaloxime(I) results in a novel method for the synthesis of trans-enynes [cf. (III) and (VI)]. -(KARADOGAN, BURHAN;
ChemInform Abstract: A Novel Lewis Acid Promoted Enyne Cycloisomerization of Triester-Substituted Alkenes.
β Scribed by Shoko Yamazaki; Kuriko Yamada; Tetsuya Otsubo; Masayo Haruna; Emiko Kutsuwa; Hatsue Tamura
- Publisher
- John Wiley and Sons
- Year
- 2001
- Weight
- 32 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0931-7597
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Novel Lewis Acid Promoted Reactions of Allylsilane Bearing Bulky Silyl Substituents and Aldehydes. -Two novel modes of reactions are disclosed for the Lewis acid promoted reaction of allylsilanes bearing bulky silyl substituents with aldehydes. The constitution of products is influenced by the natu
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