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Synthesis, IR Spectra, and Steric Structure of Macrocycles Derived from Pyrimidine Compounds

โœ Scribed by R. R. Shagidullin; A. V. Chernova; G. M. Doroshkina; V. E. Kataev; Z. G. Bazhanova; S. A. Katsyuba; V. S. Reznik; A. S. Mikhailov; R. Kh. Giniyatullin; N. G. Pashkurov; Yu. Ya. Efremov; A. A. Nafikova


Book ID
110435390
Publisher
Springer
Year
2002
Tongue
English
Weight
87 KB
Volume
72
Category
Article
ISSN
1070-3632

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Reaction of the chiral iminium salt 3 with stabilised carbanions gives the compounds 4-9 containing a highly polarised double bond. The extent of this polarisation is determined by variable temperature 1 H NMR studies, comparison of 13 C NMR chemical shifts and an X-ray structure determination.