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Volumn 128, Issue 46, 2006, Pages 14845-14853

Carbenoid chain reactions: Substitutions by organolithium compounds at unactivated 1-chloro-1-alkenes

Author keywords

[No Author keywords available]

Indexed keywords

CATALYSTS; CONCENTRATION (PROCESS); REACTION KINETICS; SUBSTITUTION REACTIONS; TRANSITION METALS;

EID: 33845222297     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja0649116     Document Type: Article
Times cited : (27)

References (81)
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    • first footnote therein
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    • Nomenclature
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    • note
    • Details are given in the Supporting Information.
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    • Most of the yields (up to 85% of 4) were determined in small-scale runs (0.1-1 mmol) under nonoptimized conditions.
  • 28
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    • 1/2 increases with decreasing initial concentrations [RLi], which varied by factors up to three here.
  • 31
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    • 4a much slower than the substitution reaction and hence unlikely.
  • 32
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    • note
    • 55 in high yields.
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    • note
    • 10 through competition of 2a with 2b for a substoichiometric amount of MeLi.
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    • note
    • 4a fast at room temperature.
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    • note
    • Several of the decelerations observed in this system are too large to be ascribed to hypothetic mixed aggregates of PhC≡CLi with RLi causing a retardation of noncarbenoid substitution processes. Such aggregates are weakly bound and usually hard to detect as the components of very mobile equilibria in solution. An elucidation of their role would require extended series of precise rate measurements which are beyond the scope of this work.
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  • 55
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    • Compound 43 in ref 9
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    • Tableau I therein
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.