Catalytic activity of boron phosphate catalysts in the preparation of isoprene from 4,4-dimethyl-1,3-dioxane
β Scribed by N.N. Gonchakova; N.G. Ivanova; L.Ye. Kitayev; L.A. Novikova; A.A. Kubasov; V.Z. Sharf; K.V. Topchiyeva
- Book ID
- 116042393
- Publisher
- Elsevier Science
- Year
- 1981
- Weight
- 598 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0031-6458
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π SIMILAR VOLUMES
Organocopper reagents react with a chiral nonracemic 1,3-dioxan-4-one to afford substitution products with high diastereoselectivity. After treatment of the adducts with potassium t-butoxide, optically active secondary alcohols are obtained. Recently a new chiral, nonracemic acetal for use in the f
cyclohexadiene with catecholborane (1,3,2+enzodioxaborole) in the presence of Pd(PPh& or Rh4(CO)I, catalysts proceeds smoothly to provide 2-[(Z)-2-alkyl-2-butenyl]-1,3,2-benzodioxaboroles in very high regio-and stereoselectivity. Much attention is being denoted to the reactions of allylic boron reag