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13 C NMR study of the structures of open‐chain bis‐reissert analogues and their salts
Author(s) -
Iyer Radhakrishnan P.,
Ratnam Rakesh K.,
Kulkarni Subodh P.,
Zubair M. A.,
Coutinho Evans C.,
Sonaseth Mariam S.,
Gopalan Balasubramanian
Publication year - 1987
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260250904
Subject(s) - chemistry , tautomer , chain (unit) , nuclear magnetic resonance spectroscopy , carbon 13 nmr , salt (chemistry) , stereochemistry , computational chemistry , organic chemistry , physics , astronomy
The structures of open‐chain bis‐Reissert analogues and their salts were investigated using 13 C NMR spectroscopy. Evidence is presented to show that the former exists in the acyclic form in solution. Detailed structural studies and the 13 C NMR data clearly show that, in solution, the open‐chain bis‐Reissert salt analogues exist predominantly as the amino tautomer.