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monogenesis    
n. 一元发生说

一元发生说

monogenesis
n 1: asexual reproduction by the production and release of
spores [synonym: {monogenesis}, {sporulation}]


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  • Facile and systematic access to the least-coordinating WCA [ (R
    By reaction of the Lewis acid Me 3 Si–F–Al (OR F) 3 with a series of [PF 6] − salts, gaseous PF 5 and Me 3 Si–F are liberated and salts of the anion [F–Al (OR F) 3] − ( [f–al] −; R F = C (CF 3) 3) can be obtained
  • Facile and systematic access to the least-coordinating WCA [ (R
    By reaction of the Lewis acid Me 3 Si-F-Al (OR F) 3 with a series of [PF 6] - salts, gaseous PF 5 and Me 3 Si-F are liberated and salts of the anion [F-Al (OR F) 3] - ( [f-al] -; R F = C (CF 3) 3) can be obtained
  • Facile and systematic access to the least-coordinating WCA [ (RFO)3Al-F . . .
    With this anion shown in Scheme 1, a large variety of reactive cations being electrophilic like [CX 3] +, RZn + (R = Me, Et), [Sn (Cp)] +, [P 2 X 5] + (X = Cl, Br, I) and [P 9] +, oxidizing like [NO] +, [NO 2] + or [Ag (X 2) n] + -complexes, or very weakly bound to a central atom like the huge number of [M (L) n] + complexes with M = Cu, Ag, Au and L = CO, C 2 H 2, C 2 H 4, P 4, S 8, S 12, Se 6, Se 12 or Se 19 could be stabilized 1 – 5 One of the biggest advantages of this [Al (OR F) 4] – anion is its facile and fast synthesis in high yields 6 Other commonly used WCAs are [B (C 6 F 5) 4] –, perhalogenated carborane anions [R–CB 11 X 12] – (X = F, Cl, Br) and the teflates [E (OTeF 5) x] – (E = B, Al, Sb, As, Bi, Nb; x = 4, 6) 7, 8 However, the synthesis of these anions either require handling of explosive LiC 6 F 5, 9 elaborate syntheses in small scales, 10 or handling of the toxic and hydrolysis sensitive HOTeF 5 8, 11 Yet, especially the carborane anions are chemically more stable against fierce electrophiles than [Al (OR F) 4] –, e g against small silylium ions 12 As shown in eqn (1a), [Al (OR F) 4] – decomposes in the presence of small silylium ions [R 3 Si] + above –30 °C to give R 3 Si–F–Al (OR F) 3 13, 14 However, it is compatible with the bulky [Si (C 6 Me 5) 3] + silylium ion 15
  • Chemical Science | Vol 9, Issue 34, 29 August 2018 - ScienceDirect
    Read the latest articles of Chemical Science at ScienceDirect com, Elsevier’s leading platform of peer-reviewed scholarly literature
  • Facile and systematic access to the least-coordinating WCA . . . - Paperity
    Facile and systematic access to the least-coordinating WCA [ (RFO)3Al-F-Al (ORF)3]- and its more Lewis-basic brother [F-Al (ORF)3]- (RF = C (CF3)3) , Chemical Science, 2018, pp 7058, Volume 9, Issue 35, DOI: 10 1039 c8sc02591f
  • ; Facile and systematic access to the least-coordinating WCA [ (R F O . . .
    Chemical science (Cambridge), 2018, Vol 9 (35), p 7058-7068 Peer Reviewed Open Access Download PDF Facile and systematic access to the least-coordinating WCA [ (R F O) 3 Al–F–Al (OR F ) 3 ] − and its more Lewis-basic brother [F–Al (OR F ) 3 ] − (R F = C (CF 3 ) 3 )Full text available View Issue Contents Save share
  • Chemical Science
    Journal Chemical Science Authors Martens, Arthur Author Weis, Philippe Author Krummer, Michael Christian Author Kreuzer, Marvin Author Meierhöfer, Andreas Author Meier, Stefan C Author Bohnenberger, Jan Author Scherer, Harald Author Riddlestone, Ian Author Krossing, Ingo Author Year 2018 Volume 9 Publisher Royal Society of Chemistry (RSC) DOI
  • Weakly Coordinating Anions WCAs. . . - Krossing Group
    It is a Web of Science Hot Paper, published in the past two years and received enough citations in November December 2018 to place it in the top 0 1% of papers in the academic field of Chemistry
  • Crystallography Open Database: Information card for entry 1549759
    Information card for entry 1549759 1549758 << 1549759 >> 1549760 Preview
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    Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions





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