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PARTIALLY-DEUTERATED NUCLEOTIDE RESIDUES IN LARGE DNA DUPLEX SIMPLIFY THE SPECTRAL OVERLAP AND PROVIDE BOTH THE J-COUPLING AND NOE INFORMATIONS BY THE NMR-WINDOW APPROACH
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In: TETRAHEDRON. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0040-4020. ; 51:36, s. 10065-10092
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Journal article (other academic/artistic)abstract
- The nucleobase-protected partially-deuterated 5'-O-DMTr-2'(#),2 ''(#)3',4'(#),5',5 ''-H-2(5)-2'-deoxyribonucleoside 3'-phosphoramidite phosphoramidite derivatives 17a,b - 20a,b, containing C2' isotopomeric mixture of deuterons and protons [similar to 15 a
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Determination of the ionization constants of C-nucleosides
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In: TETRAHEDRON. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0040-4020. ; 53:20, s. 6903-6906
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Journal article (other academic/artistic)abstract
- We here report for the first time the ionization constant of 9-deazaadenosine (1) (pK(a) 6.0) as well as the third ionization constant for Formycin B (2) (pK(a) of 1.3) in addition to its two known pK(a)s of 8.8 and 10.4. (C) 1997 Elsevier Science Ltd.
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