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Synthesis and spectroscopic characterization of organotin derivatives of N ‐benzoylglycylglycine
Author(s) -
Ruisi Giuseppe,
Giudice Maria Teresa Lo
Publication year - 1991
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.590050504
Subject(s) - chemistry , denticity , carboxylate , dimer , tin , mössbauer spectroscopy , stereochemistry , ligand (biochemistry) , infrared spectroscopy , nuclear magnetic resonance spectroscopy , medicinal chemistry , crystallography , crystal structure , organic chemistry , biochemistry , receptor
Di‐ and tri‐organotin derivatives of N ‐benzoylglycylglycine (HBzGlyGly) were synthesized and characterized by infrared, 1 H, 13 C NMR and 119 Sn Mössbauer spectroscopy. Diorganotin derivatives appear to be dimer distannoxanes ([R 2 SnBzGlyGly] 2 O) 2 (R = CH 3 , n‐C 4 H 9 , n‐C 8 H 17 ) with a ladder‐type structure where tin atoms are five‐coordinated and N‐benzoylglycylglycine alternatively acts as a unidentate or bridging bidentate ligand through the carboxylate group. For triorganotin derivatives R 3 SnBzGlyGly (R= CH 3 , n‐C 4 H g ) we propose a polymeric structure where N ‐benzoylglycylglycine bridges planar SnC 3 units through the carboxylate group.
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