1,2- Und 1,3-diaza-allyl-radikale

Ahrens, Wilhelm; Berndt, A.

doi:10.1016/s0040-4039(01)91996-3

Cited by 28 publications

(6 citation statements)

References 2 publications

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“…24, 25 Alternative routes utilizing catalysts based on lanthanide 26 or samarium 27 have been reported but proved incapable of attaching sterically bulky tertbutyl sidegroups. A previous literature report 28 of N,N -di-tertbutylacetylamidine provided no guidance as to its production.…”

Section: Synthesismentioning

confidence: 99%

Synthesis and characterization of volatile liquid cobalt amidinates

Lee

Coulter

et al. 2008

Dalton Trans.

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Three new volatile cobalt amidinate compounds were prepared: Co(tBuNC(R)NEt)2, R=Me, Et and n-Bu. They were characterized by elemental analysis, 1H NMR, X-ray structure analysis, melting point, vapor pressure, vaporization rate, thermal stability and chemical reactivity. They were found to evaporate cleanly without decomposition. Two of them are liquids at room temperature, allowing for more convenient preparation, handling and purification by distillation. They are highly reactive compounds that have been found to be suitable precursors for vapor deposition of cobalt metal, cobalt nitride and cobalt oxide. A new synthetic method allows for the facile and inexpensive preparation of large quantities of these compounds.

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Section: Synthesismentioning

confidence: 99%

Synthesis and characterization of volatile liquid cobalt amidinates

Lee

Coulter

et al. 2008

Dalton Trans.

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“…The diazaallyl radical 2, R"M = CF30, is appreciably more persistent than the two previously reported diazaallyls. 28 In the temperature range 10 to -50 °C decay occurs with very "clean" second-order kinetics and presumably yields the dimer.…”

Section: Resultsmentioning

confidence: 99%

Radical additions to di-tert-butylsulfur diimide and di-tert-butylcarbodiimide

Brunton¹,

Taylor²,

Ingold³

1976

J. Am. Chem. Soc.

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“…This figure is an upper limit because some minor products remain unidentified; hence, other pathways might consume the cyclohexadienyl radical from attack of 5 on benzene. β-Scission of 5 must yield 7, but as in the case of similar radicals, [28][29][30] its fate is unknown. Azoxyalkanes 39 and 44 are two plausible products of 7, but GC comparison with authentic samples showed these compounds to be absent with and without 1,4-cyclohexadiene (cf.…”

Section: Discussionmentioning

confidence: 99%

“…β-Scission of 5 must yield 7 , but as in the case of similar radicals, − its fate is unknown. Azoxyalkanes 39 and 44 are two plausible products of 7 , but GC comparison with authentic samples showed these compounds to be absent with and without 1,4- cyclohexadiene (cf.…”

Section: Discussionmentioning

confidence: 99%

Radical Cyclization and Fragmentation of Azoxy Compounds

Engel

Wang

et al. 1999

J. Am. Chem. Soc.

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Photolysis of azoazoxyalkane 9 and thermolysis of β-azoxyperester 13 afford β-azoxy radicals 1 and 14, respectively. One reaction pathway of these radicals is cyclization to azoxy oxygen to form cyclic hydrazyl radicals 2 and 16 that fragment to a ketone or aldehyde plus hydrazonyl radical 3. The analogous hydrazyl radical 6 need not be invoked in the case of γ-azoxy radical 5, which instead undergoes a rare solution phase β-scission to lose ethylene. Surprisingly, the same β-scission was found in the 3,3-dimethyl-4-pentenyl radical (34), a hydrocarbon analogue of 5.

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1,2- Und 1,3-diaza-allyl-radikale

Cited by 28 publications

References 2 publications

Synthesis and characterization of volatile liquid cobalt amidinates

Synthesis and characterization of volatile liquid cobalt amidinates

Radical additions to di-tert-butylsulfur diimide and di-tert-butylcarbodiimide

Radical Cyclization and Fragmentation of Azoxy Compounds

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