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Novel Method for Preparation of Highly Substituted 6-Arylpurines by Reactions of 6-Alkynylpurines with Zirconacyclopentadienes

โœ Scribed by Turek, Pavel; Kotora, Martin; Hocek, Michal; Votruba, Ivan

Book ID
120309895
Publisher
UOCHB
Year
2005
Tongue
English
Weight
117 KB
Volume
70
Category
Article
ISSN
0010-0765

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[2+2+2]-Co-cyclotrimerization 6-alkynylp
[2+2+2]-Co-cyclotrimerization 6-alkynylpurines with diynes: a method for preparation of 6-arylpurines
โœ Pavel Turek; Martin Kotora; Michal Hocek; Ivana Cฤฑฬsaล™ovรก ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 149 KB

A novel approach to 6-arylpurines based on [2+2+2]-co-cyclotrimerization of 6-alkynylpurines with various a,v-diynes is described. Co-cyclotrimerization is catalyzed by Ni-and Co-phosphine catalysts and their choice depends on the substitution pattern of the both reactants.