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Synthesis of (Z) and (E) α-alkenyl phosphonic acid derivatives of purines and pyrimidines

✍ Scribed by H.B. Lazrek; A. Rochdi; H. Khaider; J.-L. Barascut; J.-L. Imbach; J. Balzarini; M. Witvrouw; C. Pannecouque; E. De Clercq

Book ID
104208477
Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
861 KB
Volume
54
Category
Article
ISSN
0040-4020

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✦ Synopsis

Z) and cEl-2-(purin-9-yY pyrimidin-I-yl)ethylen-I-ylphosphonic acid IO-18 were synthetized by Michael addition of heterocyclic base with the diethylethynylphosphonate and deprotection of the acyclic nucleostde phosphonate with bromotrimethylsilane.

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Synthesis and Herbicidal Activity of α-Hydroxy Phosphonate Derivatives Containing Pyrimidine Moiety
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A series of α-hydroxy phosphonate derivatives containing pyrimidine moiety were designed and synthesized. Their structures were characterized by IR, 1 H NMR, MS and elemental analysis. The results of preliminary herbicidal activities (in vitro) showed that some of the title compounds 2 exhibited mod