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Tautomerism in 5,8‐Diaza‐7,9‐dicarbaguanine (‘Alloguanine’)
Author(s) -
Wagner Trixie,
Han Bo,
Koch Guido,
Krishnamurthy Ramanarayanan,
Eschenmoser Albert
Publication year - 2005
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.200590150
Subject(s) - tautomer , chemistry , crystallography , stereochemistry , crystal structure , molecular structure of nucleic acids: a structure for deoxyribose nucleic acid , base pair , computational chemistry , dna , biochemistry
An X‐ray structure analysis of the title compound reveals that this purinoid exists in the crystal as two tautomers which interact with each other in the mode of a reverse‐ Watson – Crick base pair.
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