The first Fischer-type hydrazino(methyl)carbene complex [Me2NN(CH2Ph)C(Me):Cr(CO)5] was synthesized from the appropriate acetylhydrazine Me2NN(CH2Ph)Ac and Na2Cr(CO)5. The new complex has some peculiar features in comparison with aminocarbene complexes:(i) the E rotamer can be completely transformed into the Z rotamer through the formation of its anion, and (ii) as a result of a thermal reaction, the Z isomer affords a new unusual chelate hydrazino(methyl)carbene complex that can be mono- or dialkylated.

New synthesis of Fischer-type hydrazino(alkyl) complexes. First x-ray characterization of a chelate hydrazino derivative / E. Licandro, S. Maiorana, R. Manzotti, A. Papagni, D. Perdicchia, M. Pryce, A. Tiripicchio, M. Lanfranchi. - In: CHEMICAL COMMUNICATIONS. - ISSN 1359-7345. - 1998:3(1998), pp. 383-384.

New synthesis of Fischer-type hydrazino(alkyl) complexes. First x-ray characterization of a chelate hydrazino derivative

E. Licandro
Primo
;
S. Maiorana
Secondo
;
D. Perdicchia;
1998

Abstract

The first Fischer-type hydrazino(methyl)carbene complex [Me2NN(CH2Ph)C(Me):Cr(CO)5] was synthesized from the appropriate acetylhydrazine Me2NN(CH2Ph)Ac and Na2Cr(CO)5. The new complex has some peculiar features in comparison with aminocarbene complexes:(i) the E rotamer can be completely transformed into the Z rotamer through the formation of its anion, and (ii) as a result of a thermal reaction, the Z isomer affords a new unusual chelate hydrazino(methyl)carbene complex that can be mono- or dialkylated.
Settore CHIM/06 - Chimica Organica
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/185857
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