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Di‐ and Tri‐organotin(IV) Complexes of N ‐Acetyltriglycine and N ‐Benzoyltriglycine: Synthesis and Spectroscopic Characterization
Author(s) -
Ruisi Giuseppe,
Lo Giudice Maria Teresa,
Huber Friedo,
Vornefeld Michael
Publication year - 1996
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/(sici)1099-0739(199612)10:10<779::aid-aoc517>3.0.co;2-7
Subject(s) - chemistry , denticity , carboxylate , tin , trigonal bipyramidal molecular geometry , medicinal chemistry , amide , ligand (biochemistry) , methanol , hydroxide , stereochemistry , crystal structure , inorganic chemistry , crystallography , organic chemistry , biochemistry , receptor
Di‐ and tri‐organotin(IV) derivatives of N ‐acetyltriglycine and N ‐benzoyltriglycine (HA) were obtained by refluxing equimolar mixtures of the ligand and the organotin(IV) oxide or hydroxide in methanol or acetone. According to the spectroscopic data, triorganotin(IV) derivatives adopt a trigonal‐bipyramidal structure in which the planar R 3 Sn IV unit is bonded by a monodentate carboxylate group and a donor group, presumably the amide CO. The reaction of HA with the appropriate diorganotin(IV) compounds gave both dicarboxylates R 2 SnA 2 , with six‐coordinated tin, and dimeric tetraorganodistannoxanes {[R 2 SnA] 2 O} 2 , in which the tin atoms are essentially five‐coordinated.