Abstract
The reactions of bis(η5:η1-pentafulvene)titanium complexes (1) with 19 different secondary amines (Aa–s) have been investigated. Depending on the substitution pattern of 1 and nature of the amine used, different reaction products are formed. With use of bis(η5:η1-di(p-tolyl)pentafulvene)titanium (1b) and N-methylanilines (Aa,b), N-methylbenzylamines (Ac,d), N-methylcyclohexylamine (Ae), and dibenzylamine (Af), titanium monoamides of the type (η5-C5H4CH(p-tolyl)2)(η5:η1-C5H4═C(p-tolyl)2TiNR2 (2a–f) have been isolated in high yields and characterized, including by single-crystal X-ray diffraction. By the reactions of bis(η5:η1-adamantylidene)titanium (1a) and Af, diethylamine (Ag), and 2-methylpiperidine (Ah) similar monoamides 3f–h are formed. The formation of titanium bis-amides employing different types of secondary amines (Aa–s) is not observed. The formation of titanaaziridines is observed exclusively by using 1a and N-methylanilines (Aa,b), N-benzylphenylamine (Ai), and N-benzyltrimethylsilylamines (A...
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