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Synthesis, lipophilicity and structure of 2,5‐disubstituted 1, 3, 5‐dithiazine derivatives
Author(s) -
Winfield Leyte,
Zhang Chunming,
Reid Christy A.,
Stevens Edwin D.,
Trudell Mark L.,
Izenwasser Sari,
Wade Dean
Publication year - 2003
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570400512
Subject(s) - chemistry , lipophilicity , steric effects , stereochemistry , moiety , dopamine transporter , ring (chemistry) , transporter , organic chemistry , biochemistry , gene
A series of 2,5‐disubstituted 1,3,5‐dithiazine derivatives were synthesized as potential analogues of the potent dopamine uptake inhibitor GBR 12909. The lipophilic character of the 1,3,5‐dithiazine derivatives were experimentally (log P ) and computationally (clog P ) determined. The in vitro binding affinities of the 2,5‐disubstituted 1,3,5‐dithiazine derivatives at the dopamine transporter were determined to be much less potent than the binding affinity of GBR 12909 due to steric and electronic effects inherent to the 1,3,5‐dithiazine ring system. The X‐ray crystal structure of 2‐(2‐[bis(4‐fluorophenyl)methoxy]ethyl)‐5‐(3‐phenylpropyl)‐1,3,5‐dithiazine (7) revealed that the 5‐(3‐phenylpropyl) group is in a pseudo‐axial orientation and syn to the 2‐ethoxybenzhydryl moiety.