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Unusual Regioselectivity in the Reductive Coupling of Alkynes and Allenes by Hydrozirconation and Zinca-Claisen Rearrangement

โœ Scribed by Prof. Dr. Keisuke Suzuki; Takahiro Imai; Shigeo Yamanoi; Masao Chino; Dr. Takashi Matsumoto


Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
335 KB
Volume
36
Category
Article
ISSN
0044-8249

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ChemInform Abstract: Unusual Regioselect
โœ K. SUZUKI; T. IMAI; S. YAMANOI; M. CHINO; T. MATSUMOTO ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 35 KB ๐Ÿ‘ 1 views

Unusual Regioselectivity in the Reductive Coupling of Alkynes and Allenes by Hydrozirconation and Zinca-Claisen Rearrangement. -The title reactions give the ฮฑ-adducts as the sole products [mechanism]. This process can be applied for a new vitamin E synthesis. The ฮฑ-product (IX) from the chiral alle