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Reactions of Carbodiimides with ZnEt 2 and MeZnCl
Author(s) -
Schulz Stephan,
Münch Marlene,
Flörke Ulrich
Publication year - 2008
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200800184
Subject(s) - adduct , chemistry , lewis acids and bases , toluene , nuclear magnetic resonance spectroscopy , zinc , medicinal chemistry , crystal structure , base (topology) , catalysis , stereochemistry , organic chemistry , mathematical analysis , mathematics
The reaction of ZnEt 2 and i ‐PrN=C=N i ‐Pr in toluene at elevated temperature yields the zinc amidinate complex [{EtC(N i ‐Pr) 2 }ZnEt] 2 1 . In contrast, the reaction of stronger Lewis acidic MeZnCl with t ‐BuN=C=N t ‐Bu resulted in the formation of the Lewis acid‐base adduct Me(Cl)Zn‐N( t ‐Bu)CN t ‐Bu 2 , which adopts a dimeric, Cl‐bridged structure in the solid state. 1 and 2 were characterized by elemental analyses, mass and multinuclear ( 1 H, 13 C{ 1 H}) NMR spectroscopy ( 1 H, 13 C), and single crystal X‐ray analysis.