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PPP calculations of the absorption spectra of purines and pyrimidines

✍ Scribed by Margaret L. Bailey

Publisher
Springer
Year
1970
Tongue
English
Weight
400 KB
Volume
16
Category
Article
ISSN
1432-2234

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Trimethylsilyl and tert-butyldimethylsilyl derivatives of naturally occurring purines and pyrimidines and also other closely related model compounds were prepared and their 29Si NMR spectra measured. Only the chemical shifts of the SiÈNHÈ moiety could be assigned experimentally (i.e. exactly) ; the